P245GH, material number 1.0352, is a non-alloy quality steel for pressure purposes. Forgings in this grade are covered by EN 10222-2. Jiangyin Jiangnan Metal Co., Ltd. is an open-die forging factory at No.1 Chengxiqiao Road, Zhouzhuang Town, Jiangyin City, Jiangsu Province, China. The company forges P245GH into seamless rolled rings, flanges, tube sheets, hollow bars, shafts and valve bodies, supplied normalized with an EN 10204 3.1 inspection certificate.
- P245GH is used for boilers, pressure vessels, shell and tube heat exchangers, and pressurised piping components at elevated temperature.
- Carbon is limited to 0.20 %, so P245GH welds readily and thin sections normally need no preheat.
- Open-die forging carries no die cost, so single pieces and prototype quantities are quoted on the same basis as production runs.
- Heat numbers are traceable from billet through heat treatment to the final dimensional report.
P245GH designation and standards
P245GH belongs to the European range of non-alloy steels for pressure purposes. Under EN 10027-1 the letter P means the steel is intended for pressure equipment, 245 is the specified minimum yield strength in MPa for the thinnest product thickness range, and GH means elevated temperature properties are specified. The numeric designation under EN 10027-2 is 1.0352.
Carbon content is low compared with other grades in the same family. P245GH is therefore specified where components are welded into a vessel shell and then hydrostatically tested. Strength is lower than P265GH or P355GH.
| Steel name (EN 10027-1) | P245GH |
|---|---|
| Material number (EN 10027-2) | 1.0352 |
| Steel group | Non-alloy quality steel for pressure purposes |
| Forgings | EN 10222-2, steel forgings for pressure purposes, ferritic and martensitic steels with specified elevated temperature properties |
| Flat products | EN 10028-2, flat products for pressure purposes |
| Seamless tubes | EN 10216-2 |
| Welded tubes | EN 10217-2 |
| Flange dimensions | EN 1092-1, also supplied to ASME B16.5 and B16.47 dimensions on request |
Chemical composition
The values below are the ladle analysis limits given in EN 10222-2 for P245GH. Ladle and product analysis are both reported on the EN 10204 3.1 certificate, so certificate figures can be checked against this table.
| C | Si | Mn | P | S |
|---|---|---|---|---|
| 0.08 - 0.20 | max 0.40 | 0.50 - 1.30 | max 0.025 | max 0.015 |
Residual elements Cr, Cu, Mo, Nb, Ni, Ti and V are restricted individually and in total by the standard. Full limits appear on the material certificate and are available on request.
Mechanical properties
Room temperature mechanical properties for P245GH forgings are given below. EN 10222-2 reduces the specified minimum yield strength as the governing section thickness increases, so ReH is shown as a range.
| Symbol | Property | Direction | Value |
|---|---|---|---|
| Rm | Tensile strength | - | 410 - 530 MPa |
| ReH | Minimum yield strength, varies with section thickness | - | 220 - 245 MPa |
| A | Minimum elongation at fracture | Longitudinal | 25 % |
| A | Minimum elongation at fracture | Transverse | 23 % |
| KV | Impact energy at +20 °C | Longitudinal | 32 J |
| KV | Impact energy at +20 °C | Transverse | 27 J |
Elevated temperature proof strength values for P245GH between 50 °C and 400 °C are tabulated in EN 10222-2. They are supplied with the offer when a design temperature is stated in the enquiry. Impact testing below room temperature can be agreed at order stage.
Equivalents and cross-references
The grades below are the ones most often cross-referenced against P245GH. They are close in composition and application but are not exact equivalents. Each has its own composition limits, test requirements and certification rules, so any substitution requires approval by the design authority.
| Region or standard | Nearest grade | Note |
|---|---|---|
| EN, Europe | P245GH, 1.0352 | The grade itself |
| Former DIN 17155 | HII, St 45.8 | Superseded designation, still quoted on legacy drawings |
| ASTM, forgings | A105 | Higher permitted carbon, 250 MPa minimum yield, not interchangeable |
| ASTM, plate | A516 Gr. 60 | Similar strength class for vessel shells |
| GB, China | Q245R | Pressure vessel plate grade of comparable strength |
| JIS, Japan | SB410, SFVC1 | Boiler plate and carbon steel forging for pressure service |
Where a project requires two specifications to be satisfied at the same time, a heat can be selected whose analysis and mechanical results fall inside both windows. The EN 10204 3.1 certificate then names both grades.
P245GH forged products
The items below are open-die forged or ring rolled in P245GH, heat treated, machined to the agreed allowance and inspected before dispatch.
Rings, cylinders and hollow sections
Flanges, covers and heat exchanger parts
Shafts, blocks and valve components
Forging capability
| Single piece weight | 10 kg to 30,000 kg |
|---|---|
| Rolled ring outside diameter | 200 mm to 6,000 mm |
| Ring height and wall | Up to 1,500 mm height, wall from 30 mm |
| Bar and shaft length | Up to 12,000 mm |
| Heat treatment | Normalizing, normalizing and tempering, stress relief, with recorded furnace charts |
| Machining | Rough turning, finish machining, tube sheet drilling, grooving |
| NDT | UT to EN 10228-3 or ASTM A388, MT, PT, dimensional and hardness survey |
| Minimum order | 1 piece, no die cost on open-die forgings |
Manufacturing and inspection
- Billet selection. P245GH billets are purchased against a ladle analysis certificate and stored segregated by heat number.
- Heating. Billets are soaked in a temperature controlled furnace until forging temperature is uniform through section.
- Forging. The billet is upset and drawn, or punched and ring rolled, to the forging reduction ratio agreed for the part.
- Normalizing. The forging is normalized, or normalized and tempered for heavy sections. The furnace chart is recorded against the batch.
- Testing. Product analysis, tensile, Charpy V-notch impact and hardness tests are taken from test material heat treated with the batch.
- NDT and dimensional check. Ultrasonic, magnetic particle or dye penetrant examination as ordered, followed by a dimensional report.
- Certification and packing. EN 10204 3.1 certificate issued. Parts are hard stamped with heat and item number, coated with rust preventive and packed in plywood cases for sea freight.
Applications
- Pressure vessels and boilers. Shell courses, girth flanges, nozzles and manway forgings built to EN 13445, AD 2000 or ASME VIII.
- Shell and tube heat exchangers. Tube sheets, channel covers, floating head covers and nozzle necks.
- Petrochemical and chemical plant. Piping components, forged fittings and valve bodies in moderate temperature service.
- Power generation. Feedwater and steam side components below the creep range.
- Water treatment and general industry. Flanges and forged fittings where weldability matters more than strength.
Frequently asked questions
What is P245GH steel?
P245GH is a non-alloy quality steel for pressure purposes, material number 1.0352 under EN 10027-2. Forgings are covered by EN 10222-2, plate by EN 10028-2 and seamless tube by EN 10216-2. Carbon content is low, so the grade welds readily. It is used for boilers, pressure vessels and heat exchanger components at elevated temperature.
What is the material number for P245GH?
The material number for P245GH is 1.0352 under EN 10027-2. P245GH is the steel name under EN 10027-1. P means a steel for pressure purposes, 245 is the specified minimum yield strength in MPa for the thinnest product thickness range, and GH means elevated temperature properties are specified.
What is the chemical composition of P245GH?
EN 10222-2 gives the following ladle analysis limits for P245GH: carbon 0.08 to 0.20 %, silicon max 0.40 %, manganese 0.50 to 1.30 %, phosphorus max 0.025 %, sulphur max 0.015 %. Residual elements are restricted individually and in total.
Is P245GH the same as ASTM A105?
No. P245GH and ASTM A105 are separate specifications and are not interchangeable without design review. Both are forged carbon steels for pressure service, which is why they are often cross-referenced, but A105 permits higher carbon and specifies a 250 MPa minimum yield strength. Jiangyin Jiangnan Metal Co., Ltd. can supply dual certified material where one heat meets both specifications.
Can P245GH forgings be welded?
Yes. Carbon is limited to 0.20 % and the carbon equivalent is low, so P245GH welds readily by SMAW, SAW, GTAW and GMAW. Preheat and post weld heat treatment requirements depend on section thickness and on the construction code applied, for example EN 13445 or ASME VIII.
What heat treatment is applied to P245GH forgings?
P245GH forgings are normally supplied normalized. Heavy sections are normalized and tempered. Jiangyin Jiangnan Metal Co., Ltd. heat treats in furnaces with calibrated multi zone thermocouples and issues the recorded time and temperature chart with each batch.
What is the difference between P245GH and P265GH?
Both are non-alloy steels for pressure purposes. P265GH (1.0425) is specified to a 265 MPa minimum yield strength against 245 MPa for P245GH (1.0352), and permits slightly higher carbon and manganese. P245GH is selected where weldability and forming matter most. P265GH is selected where a thinner wall is wanted at the same design pressure.
Which forged product forms are available in P245GH?
Jiangyin Jiangnan Metal Co., Ltd. supplies P245GH as seamless rolled rings, forged flanges including long weld neck and self reinforced FVC nozzles, tube sheets and tube plates, girth flanges, channel covers, shafts, discs, hollow bars, sleeves, bushings, cylinders, hubs, housings, shells, valve bodies, valve bonnets, valve stems and valve seat rings.
What certification is supplied with P245GH forgings?
P245GH forgings from Jiangyin Jiangnan Metal Co., Ltd. are supplied with an EN 10204 3.1 inspection certificate as standard. It covers ladle and product analysis, mechanical test results, heat treatment records and the dimensional report. EN 10204 3.2 certification witnessed by TUV, Lloyd's Register, BV, SGS or the customer's own inspector is available on request.
What information is needed to quote a P245GH forging?
Send the drawing or rough dimensions, the quantity, the delivery condition, the machining allowance, the standard edition applied, testing and NDT requirements, the certification level and the destination port. Quotations are normally returned within one working day to sales@steelforgepieces.com.
Data source. Chemical composition and mechanical property values on this page are quoted from EN 10222-2. Check against the current edition of the standard and against the material certificate issued with the order.
Page maintained by Jiangyin Jiangnan Metal Co., Ltd., No.1 Chengxiqiao Road, Zhouzhuang Town, Jiangyin City, Jiangsu Province, China. Last updated 14 September 2026.
Request a quotation
Send a drawing or a dimensioned sketch with the quantity required. Price, forged weight and lead time are normally returned within one working day.
Open-die forging factory
No.1 Chengxiqiao Road, Zhouzhuang Town,
Jiangyin City, Jiangsu Province, China
+86 189 2135 9659
sales@steelforgepieces.com