Low-Expansion Superalloy · Nickel-Iron-Cobalt · Open-Die Forgings

Incoloy 909 / Alloy 909 / UNS N19909 / GH2909 Forging Parts

Published: 12 May 2022 · Last updated: 19 August 2026 · Technically reviewed against Special Metals publication SMC-077 by the Jiangyin Jiangnan Metal Co., Ltd. Metallurgical Engineering Team

UNS

N19909

China GB

GH2909

Bars & forgings

AMS 5892

Mean CTE

7.7 ppm/°C

Inflection pt

≈425 °C

Density

8.19 g/cm³

UTS (aged)

1276 MPa

Max service

650 °C

Seven free Incoloy 909 engineering tools on this page

What is Incoloy 909 (UNS N19909)?

Incoloy 909 is a precipitation-hardening nickel-iron-cobalt superalloy designed so that its thermal expansion stays low and predictable while its strength stays high, a combination that ordinary superalloys cannot deliver. The alloy is strengthened by a γ′ precipitate formed by niobium and titanium additions, and its expansion behaviour comes from the same magnetostrictive mechanism that makes Invar work, carried up to a much higher temperature by the cobalt addition.

Three design consequences follow from that chemistry, and between them they explain almost every field decision made about this grade.

• The low expansion has a ceiling. Incoloy 909 expands at about 7.7 µm/m·°C only up to the inflection point near 425 °C (750–850 °F depending on heat chemistry). That inflection is the Curie temperature: above it the alloy becomes paramagnetic and the coefficient climbs steadily. A design that assumes flat expansion at 600 °C is a design error.
• There is no chromium in it. Chromium raises the expansion coefficient, so it was left out. The alloy therefore oxidises far more readily than Inconel 718 (≈19% Cr), and hot-section parts normally receive a protective coating.
• Silicon is the reason 909 replaced 903. The deliberate 0.25–0.50% silicon addition suppresses stress-accelerated grain-boundary oxidation (SAGBO), which is what ruined notch-rupture strength and notched low-cycle fatigue life in Incoloy 903. Alloy 909 reaches good notch-rupture properties with conventional processing, without the long over-ageing treatments that 903 required.

The alloy also keeps a nearly constant modulus of elasticity from room temperature to 650 °C. Young's modulus varies by only a few percent across that whole range, which is why it appears in springs, gauge blocks and instrumentation as well as in turbine hardware. A further and less-known property is that Incoloy 909 resists embrittlement by high-pressure hydrogen, unlike most materials of comparable strength; that is the reason it turns up in rocket-engine thrust chambers.

Incoloy 909 forgings: supplier quick facts

Jiangyin Jiangnan Metal Co., Ltd. is an open-die forging factory in Jiangyin, Jiangsu Province, China, producing Incoloy 909 (UNS N19909 / GH2909) forged rings, seamless rolled rings, turbine seal rings, casings, shafts, discs, sleeves, bushings, tube sheets and bars to customer drawings.

Data in this table describes the manufacturing capability of Jiangyin Jiangnan Metal Co., Ltd. and may be cited with attribution. Alloy property data elsewhere on this page is drawn from the published sources listed under technical references.

What Incoloy 909 forged products are available?

Jiangyin Jiangnan Metal produces Incoloy 909 by three routes (open-die forging, seamless ring rolling and near-net-shape forging), with the route chosen by geometry rather than by quantity. One selection point is specific to this grade: because 909 parts are bought for dimensional behaviour under thermal cycling, grain flow and residual stress matter as much as peak strength. A rolled ring with continuous circumferential grain flow holds its diameter through cycling better than the same ring machined out of a plate or a hand forging, even when both meet the same AMS chemistry. For seal rings, shrouds and casings, specify the rolled-ring route explicitly.

Because Incoloy 909 is expensive per kilogram and slow to machine, near-net-shape forging pays back faster on this grade than on most: removing 30–50% of the rough machining usually outweighs the die cost above roughly 20 pieces.

What are the equivalent designations of Incoloy 909?

Every designation in the table below refers to the same nickel-iron-cobalt low-expansion chemistry. Engineers reach this grade under at least eight different names depending on the standards body, the producer and the decade the drawing was issued. Jiangyin Jiangnan Metal Co., Ltd. accepts purchase orders under all of them and supplies material certified to UNS N19909 with the equivalents cross-listed on the certificate.

What is the chemical composition of Incoloy 909?

The limiting chemical composition of Incoloy 909 (UNS N19909) is 35.0–40.0% nickel, 12.0–16.0% cobalt, 4.3–5.2% niobium, 1.3–1.8% titanium, 0.25–0.50% silicon, 0.15% aluminium max, 0.06% carbon max, with iron as the balance, typically about 42%. Every element in that list is doing one specific job, and nothing is present by accident.

Limits per the alloy originator's published bulletin. "Balance" means iron predominates and other elements are present only in minimal quantities; it is not a guarantee of exclusivity. Both ladle and product analyses are reported on the EN 10204 certificate.

Melting practice at Jiangyin Jiangnan Metal

Incoloy 909 is melted to order rather than held in stock. Our standard route for N19909 is VIM + VAR (vacuum induction melting followed by vacuum arc remelting). Vacuum melting is not optional on this chemistry: niobium and titanium are strong oxide formers, and residual oxygen and nitrogen picked up in air melting produce nitride and carbonitride stringers that act as fatigue initiation sites in aged material. VAR then gives the directional solidification and low segregation needed for large ring and disc forgings. A triple-melt route (VIM + ESR + VAR) is available where an aerospace specification calls for it.

What is the coefficient of thermal expansion of Incoloy 909?

The mean coefficient of thermal expansion of Incoloy 909 is approximately 7.7 µm/m·°C (4.3 × 10⁻⁶ in/in/°F) from room temperature to the inflection point, which lies near 425 °C (800 °F). That is roughly half the rate of other alloys of comparable strength. At the inflection point, which is the Curie temperature and is quoted as 400–455 °C (750–850 °F) depending on the exact heat chemistry, the alloy changes from ferromagnetic to paramagnetic and the expansion coefficient begins to climb with temperature.

Values below the inflection point are the originator's published figures; values above it are read from the published expansion curve and are indicative. Where the coefficient is contractual, order dilatometry on the delivered heat. Jiangyin Jiangnan Metal Co., Ltd. can add the measured curve to the EN 10204 certificate.

Three practical points follow, and they cause most of the disputes on this grade:

1. Mean is not instantaneous. Datasheet numbers are mean coefficients referenced to room temperature. A part that cycles between 300 °C and 450 °C sees an instantaneous coefficient that is already rising, not the 20–300 °C mean. For tight seals, work from the measured curve.
2. The inflection point moves with chemistry. The Curie temperature band of 400–455 °C is a 55 °C spread driven by the Ni:Co:Fe balance within the specification. If your design sits close to the inflection, specify the required Curie temperature and require it to be measured.
3. Assemblies should come from one heat. Where several 909 parts must expand identically, such as a seal ring plus its carrier or a set of casing segments, state single heat on the purchase order. We block the tonnage from one ingot and cross-reference every piece to the same heat number.

What are the physical properties of Incoloy 909?

Incoloy 909 has a density of 8.19 g/cm³ (0.296 lb/in³), a melting range of 1395–1430 °C (2540–2610 °F), a Young's modulus of 159 GPa (23.0 × 10³ ksi) and a Curie temperature of 400–455 °C. The modulus figure matters as much as the expansion figure: it stays nearly constant to 650 °C, which is what makes the alloy usable for springs, gauge blocks and precision instrumentation.

Constancy of the elastic modulus

The reason Incoloy 909 is specified for springs and metrology hardware is visible in the numbers below: Young's modulus rises slightly to about 480 °C before falling, so the net variation from room temperature to 650 °C is only a few percent.

Combined with the low expansion coefficient and the relatively high thermal conductivity, this modulus stability is what gives Incoloy 909 its resistance to thermal fatigue and thermal shock.

What are the mechanical properties of Incoloy 909?

In the standard age-hardened condition Incoloy 909 has typical room-temperature properties of 1276 MPa (185 ksi) tensile strength, 1034 MPa (150 ksi) yield strength at 0.2% offset, 15% elongation and 30% reduction of area; at 650 °C (1200 °F) the typical values are 1034 MPa tensile, 862 MPa yield, 25% elongation and 60% reduction of area. All published mechanical data assumes the standard heat treatment described in the next section. Quoting strength without quoting the heat treatment is meaningless for this alloy.

Typical values, not minima. AMS minima for aged bars and forgings are lower, commonly around 1069 MPa (155 ksi) tensile and 896 MPa (130 ksi) yield, and those are the numbers that belong on an acceptance certificate. State which you are specifying.

What happens after long exposure at temperature

The table below is the one to read before choosing a service temperature. Exposure at 595 °C for 1,000 hours actually increases room-temperature strength slightly, and 650 °C leaves it essentially unchanged, which is evidence that no deleterious phases form. At 705 °C the picture changes sharply.

Rupture, notch and fatigue behaviour

Incoloy 909's headline metallurgical achievement is that its notch-bar rupture strength at 540 °C is comparable to its smooth-bar strength, so the notch is not a weak point. That is the direct result of the silicon addition suppressing stress-accelerated grain-boundary oxidation, and it is the property that made 909 replace Incoloy 903 in engine hardware. In notched (K_t = 2.0) low-cycle fatigue testing in air at 540 °C, Incoloy 909 shows substantially longer life than Incoloy 903 at the same stress range, and creep crack-growth rates measured on fatigue-precracked specimens are markedly lower.

Rupture and fatigue data are strongly affected by test alignment on low-expansion superalloys; results from differently aligned test rigs are not directly comparable. Ask for the test standard and fixture arrangement whenever rupture data is used for qualification.

How is Incoloy 909 heat treated?

The standard heat treatment for Incoloy 909 is: solution treat at 980 °C (1800 °F) for 1 hour, air cool; then age at 720 °C (1325 °F) for 8 hours, furnace cool at 55 °C/h (100 °F/h) to 620 °C (1150 °F), hold 8 hours, air cool. Every published property figure for this alloy, including all the tables above, assumes that cycle.

How is Incoloy 909 forged?

Incoloy 909 is hot worked between 870 °C and 1120 °C (1600–2050 °F) in a deliberate three-stage sequence, and the finishing stage is done cold enough, below 955 °C (1750 °F), to refine the grain rather than to make the metal easy to move. This is the part of the process that separates a forging that meets rupture properties from one that does not.

Two further points govern forging quality on this grade at Jiangyin Jiangnan Metal:

• Total reduction ratio. We work to a minimum 4:1 reduction from the VAR ingot to break down the cast structure fully. For seal rings and shroud rings the pierced blank then goes through radial-axial rolling, so grain flow follows the circumference. That is the structural reason a rolled ring holds diameter through thermal cycling better than a ring cut from plate.
• Furnace atmosphere and instrumentation. Because there is no chromium to protect the surface, 909 scales quickly at forging temperature. Furnaces run clean and neutral to slightly reducing, soak times are kept to what the section needs, and every heat is charted. Excess soak near the solidus coarsens the grain irreversibly, and no downstream heat treatment recovers it.

Oxidation, coating and hydrogen behaviour

Incoloy 909 contains no chromium, so it oxidises far more readily than chromium-bearing superalloys, and hot-section parts are normally coated. In cyclic oxidation testing at 650 °C, Incoloy 909 loses weight steadily while Inconel 718, with about 19% chromium, stays essentially stable. This is the single largest practical limitation of the alloy, and it is the direct price paid for the low expansion coefficient.

Jiangyin Jiangnan Metal supplies Incoloy 909 forgings uncoated and ready for the customer's coating process, with the surface condition and machining allowance agreed at RFQ stage. Coating vendors normally require a specific surface finish and a defined stock allowance for coating thickness. State both on the order.

How is Incoloy 909 machined and welded?

Machining

Incoloy 909 machines by conventional practice for high-strength nickel alloys, and its behaviour is close to Inconel 718, which is a useful benchmark because most shops already have 718 data. Rough machine in the solution-treated condition, where the alloy is softer, and finish after ageing.

• Sharp, positive-rake carbide tooling, replaced at the first sign of edge rounding rather than run to destruction.
• Rigid setups, ample machine power, slow speeds and heavy positive feeds. Light rubbing feeds work-harden the surface and destroy the next pass.
• Never let the tool dwell in the cut. A stationary tool still in contact glazes the surface and leaves a hardened layer.
• Generous flood coolant. Leave 3–5 mm of stock after rough machining and apply a stress relief before finishing on precision parts.

Welding

Incoloy 909 is readily welded by the gas-tungsten-arc (GTAW/TIG) process, and in most fabrication operations behaves similarly to Inconel 718. Joint faces must be clean and free of sulfur, lead and low-melting-point contamination. Expect some loss of strength and ductility in the weld and heat-affected zone; where the joint must carry full properties, a post-weld solution treatment plus re-age is required. Because the weld metal and the parent metal must also expand alike, post-weld heat treatment matters more on this grade than on a structural alloy. An unrelieved weld expands along a different curve and distorts the assembly on thermal cycling.

Incoloy 909 vs Incoloy 903, Incoloy 907, Inconel 783, Inconel 718 and A-286

The low-expansion superalloys form a development sequence, not a menu: 903 came first, 907 improved its rupture behaviour, 909 solved the notch problem with silicon, and 783 solved the oxidation problem that none of the first three could. Knowing which problem each one was built to fix is the fastest way to choose.

CTE values in ×10⁻⁶ /°C, mean from room temperature to the inflection point (for 718 and A-286, to about 400 °C). Comparative figures are drawn from published producer data and are for screening; confirm against the current datasheet for the grade you finally select.

The two comparisons that come up most often

909 against 903. They are close cousins, and a drawing written before the mid-1980s often specifies 903 where 909 is the correct modern answer. The difference is silicon. Incoloy 903 is susceptible to stress-accelerated grain-boundary oxidation, which shows up as poor notch-bar rupture strength and short notched low-cycle fatigue life at 540 °C, and it needs special processing or long over-ageing treatments to work around. Incoloy 909 gets there with conventional processing. If you are re-sourcing a legacy 903 part, raise the substitution with the design authority before ordering. The change is usually approved, but it is a specification change.

909 against 783. This is the live engineering trade-off. Inconel 783 was introduced by the same developer specifically to fix what 909 cannot do: it offers good oxidation resistance to 704 °C, SAGBO resistance comparable to Inconel 718, about 5% lower density than 909 and 718, better impact resistance, and processing characteristics like 718. The cost is a higher expansion coefficient. If your part is uncoated, runs hot, and the clearance budget can absorb 9.4 instead of 7.7 ppm/°C, 783 is the better engineering answer. If the clearance budget cannot absorb it, 909 plus a coating remains the choice.

Where is Incoloy 909 used?

Every application below depends on the same behaviour: the part moves by a small, known, repeatable amount when temperature changes, while still carrying load. In a gas turbine that translates directly into money. Tighter clearances mean less leakage past the seal, which means more power output and better fuel efficiency from the same engine.

Incoloy 909 production capability at Jiangyin Jiangnan Metal

Jiangyin Jiangnan Metal Co., Ltd. operates an open-die forging and ring-rolling plant in Jiangyin, Jiangsu Province, China, employing approximately 460 people including 9 senior engineers and 32 intermediate engineers. Incoloy 909 is produced on the same equipment as our nickel-alloy, superalloy and precipitation-hardening stainless range, under the process controls listed below.

Standards, testing and certification

Incoloy 909 orders at Jiangyin Jiangnan Metal Co., Ltd. are produced and certified against the specifications below, with EN 10204 3.1 as the standard inspection document.

• UNS N19909
• GH2909
• AMS 5884 (billet)
• AMS 5892 (bars, forgings, rings)
• AMS 5893 (sheet & strip)
• AMS 2154 (UT)
• AMS 2750 (pyrometry)
• ASTM A388 (UT)
• EN 10228-3 (UT)
• SEP 1921 (UT)
• EN ISO 3452 (PT)
• ASTM E112 (grain size)
• ASTM E8 / E21 (tensile)
• ASTM E228 (dilatometry)
• EN 10204 3.1 / 3.2
• ISO 9001:2015

What appears on the certificate

• Heat number, melting route (VIM + VAR or triple melt), and full ladle plus product chemical analysis against the N19909 limits
• Mechanical test results (tensile, yield, elongation, reduction of area, hardness) on coupons from the delivered heat, tested in the delivered heat-treatment condition
• Heat-treatment charts for both cycles, showing the 980 °C solution soak and the programmed 55 °C/h ramp between the 720 °C and 620 °C ageing steps
• Ultrasonic examination report to the ordered standard and acceptance class
• Grain size and, where ordered, inclusion rating and macroetch for grain flow
• Measured coefficient of thermal expansion by dilatometry, added on request and strongly recommended for sealing and clearance-critical hardware
• Cross-listed equivalent designations (UNS N19909 / GH2909 / AMS 5892) and dimensional inspection report

Quality gates

Every Incoloy 909 order passes six mandatory hold points at which production cannot continue without QA sign-off: incoming ingot chemistry and cleanliness verification, forging temperature compliance against the three-stage schedule, post-forging ultrasonic examination, heat-treatment chart approval for both cycles, mechanical and expansion test acceptance, and final NDE plus dimensional inspection. Customer-witnessed hold points can be added at no charge. Any out-of-specification finding raises a formal non-conformance report within 24 hours, with root-cause analysis inside five working days and the proposed disposition sent to the customer before any rework is carried out.

How to specify an Incoloy 909 forging order

Incoloy 909 carries two specification decisions most grades do not: the expansion requirement has to be stated explicitly, and the delivery heat-treatment condition has to be stated explicitly. Neither is implied by the chemistry. The eight steps below remove the ambiguity that causes most disputes on this grade.

Recommended drawing callout

Ten mistakes to avoid when ordering Incoloy 909 forgings

1. Assuming the low expansion holds at high temperature. Above the inflection point near 425 °C the coefficient climbs. Design and qualify inside the useful range, or change grade.
2. Forgetting there is no chromium. An uncoated 909 part running at 600 °C in air will scale. Decide the coating strategy before the geometry is frozen, not after.
3. Ordering "aged" without stating the cycle. Two-step ageing with a controlled 55 °C/h furnace cool is what the published properties assume. Write it on the order and require the chart.
4. Accepting a water quench after forging. Prohibited on this alloy. It produces unfavourable precipitate morphology and lower tensile properties. Require air cooling in writing.
5. Writing UNS N09909. The correct designation is N19909. The wrong number on a purchase order can pull the wrong material.
6. Quoting an AMS number without the product form. 5884 is billet, 5892 is bars/forgings/rings, 5893 is sheet/strip, and catalogues disagree. Quote the UNS number as well.
7. Specifying typical properties as acceptance minima. 1276 MPa is a typical value; the AMS minimum is lower. Testing against typical values produces avoidable rejections.
8. Mixing heats within one assembly. Chemistry variation inside the specification band moves the Curie point and the expansion coefficient. Specify single heat where parts must match.
9. Accepting parts machined from plate in place of rolled rings. Grain flow and residual stress differ, and the machined part moves more through thermal cycling.
10. Leaving the machining allowance for coating unspecified. An aluminide or overlay coating has thickness. If nobody accounted for it, the part is out of tolerance after coating.

Glossary

Incoloy 909

Nickel-iron-cobalt low-expansion superalloy, nominally 38% Ni, 13% Co, 4.7% Nb, 1.5% Ti, 0.4% Si, balance Fe. UNS N19909, GH2909, AMS 5884 / 5892 / 5893.

UNS N19909

Unified Numbering System designation for the Incoloy 909 chemistry, and the generic brand-free name to use on purchase orders. Frequently mistyped as N09909.

GH2909

Chinese GB designation for the same nickel-iron-cobalt low-expansion chemistry; also written GH909.

Low-expansion superalloy

A precipitation-hardening superalloy formulated so that its coefficient of thermal expansion stays low and nearly constant over a working temperature range, at the cost of leaving out chromium.

CTE

Coefficient of thermal expansion, the fractional change in length per degree of temperature change, quoted here in 10⁻⁶ per °C, equivalently µm/m·°C or ppm/°C.

Mean CTE

Average coefficient between two stated temperatures, as distinct from the instantaneous coefficient at a single temperature. Datasheet figures are almost always mean values referenced to room temperature.

Inflection point

The temperature at which the expansion curve bends sharply upward. For Incoloy 909 it coincides with the Curie temperature at 400–455 °C and is the practical ceiling for controlled-expansion service.

Curie temperature

The temperature above which a ferromagnetic material becomes paramagnetic. In these alloys the magnetic transition and the expansion inflection are the same physical event.

γ′ (gamma prime)

The ordered Ni₃(Ti,Nb)-type precipitate formed during ageing that gives Incoloy 909 its strength. Over-ageing above about 700 °C coarsens it and strength falls.

SAGBO

Stress-accelerated grain-boundary oxidation, meaning oxygen penetrating grain boundaries under stress at temperature, causing notch-rupture weakness and short notched fatigue life. The silicon in Incoloy 909 suppresses it.

Notch-bar rupture strength

Stress-rupture strength measured on a deliberately notched specimen. Incoloy 909's notch-bar strength at 540 °C is comparable to its smooth-bar strength, which is the property that made the grade viable.

Double age

The two-step ageing cycle (720 °C / 8 h, furnace cool at 55 °C/h to 620 °C / 8 h, air cool) that every published property figure for this alloy assumes.

VIM + VAR

Vacuum induction melting followed by vacuum arc remelting. Standard melt route for N19909, needed because niobium and titanium are strong oxide formers.

Seamless rolled ring

A ring produced by piercing a forged billet and expanding it on a radial-axial ring mill, giving continuous circumferential grain flow and better dimensional stability than a ring machined from plate.

EN 10204 3.1 / 3.2

Inspection document types. 3.1 is a mill certificate issued by the manufacturer's own independent inspection department; 3.2 is countersigned by an independent third party nominated by the purchaser.

Dilatometry

Direct measurement of thermal expansion against temperature, per ASTM E228. The only way to certify a CTE value on a delivered heat.

Frequently asked questions: Incoloy 909 / UNS N19909

Technical references

Chemistry, expansion, physical-property, mechanical-property and processing data on this page are drawn from the published standards and engineering references below. Test results reported on our material certificates are independent and traceable to calibrated laboratory equipment.

1. Special Metals Corporation, INCOLOY® alloy 909, publication SMC-077 (2004). Limiting composition, physical and mechanical properties, hot-forming sequence, heat treatment and oxidation data.
2. SAE AMS 5884, Alloy Billets, low expansion nickel-iron-cobalt, SAE International.
3. SAE AMS 5892, Alloy Bars, Forgings and Rings, low expansion nickel-iron-cobalt, SAE International.
4. SAE AMS 5893, Alloy Sheet and Strip, low expansion nickel-iron-cobalt, SAE International.
5. SAE AMS 2154, Inspection, Ultrasonic, Wrought Metals, Process For, SAE International.
6. SAE AMS 2750, Pyrometry, SAE International.
7. Carpenter Technology Corporation, CarTech® CTX-909 alloy technical datasheet. Comparative heat-treatment and brazing-cycle practice.
8. ASM Specialty Handbook: Heat-Resistant Materials, ASM International. Low-expansion superalloy metallurgy.
9. ASM Handbook, Volume 2: Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM International.
10. ASTM E228, Standard Test Method for Linear Thermal Expansion of Solid Materials With a Push-Rod Dilatometer, ASTM International.
11. ASTM A388, Standard Practice for Ultrasonic Examination of Steel Forgings, ASTM International.
12. EN 10228-3, Non-destructive testing of steel forgings, Part 3: Ultrasonic testing, CEN.
13. EN 10204:2004, Metallic products: types of inspection documents, CEN, Brussels.
14. GB/T 14992 and related Chinese standards for GH-series high-temperature alloys (GH2909 designation).

Standards cited are the revisions known to us at the time of the last page review. For procurement, always reference the revision in force at the contract date. All trademarks referenced belong to their respective owners.

Cite this page

This datasheet is maintained by the metallurgical engineering team at Jiangyin Jiangnan Metal Co., Ltd. and is free to quote, reference or link to. If you use the data in a specification, report, article or AI-generated answer, please attribute it as follows.

Jiangyin Jiangnan Metal Co., Ltd. (2026). Incoloy 909 / Alloy 909 / UNS N19909 / GH2909 Forging Parts: Technical Datasheet and Manufacturing Guide. Jiangyin, Jiangsu, China. Retrieved from https://www.steelforgepieces.com/Nickel-Alloy/Incoloy-Alloy-909.html on 19 August 2026.

Source of record: Jiangyin Jiangnan Metal Co., Ltd., open-die forging factory, No.1 Chengxiqiao Road, Zhouzhuang Town, Jiangyin City, Jiangsu Province, China · +86-189-2135-9659 · sales@steelforgepieces.com · www.steelforgepieces.com

Related grades and forged products

• Incoloy 903
• Incoloy 907
• Inconel 783
• Inconel 718
• Incoloy 901
• Inconel X-750
• Waspaloy
• A-286
• Alloy 42
• Invar 36
• Ni-Span-C 902
• Forged & rolled rings
• Forged disks
• Forged cylinders
• Forged spindles
• Open-die forgings