We could produce 4Ch5MF1S Forged forging Tool Die Steel Round Bars Rods Square rectangular rectangle Flat Bars Shafts,4Ch5MF1S Forged Forging tool die Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings,4Ch5MF1S Forged Forging Steel Rings Seamless Rolled Rings,4Ch5MF1S Forged Forging Steel Blocks Discs Disks Plates,4Ch5MF1S forged forging Inserts cores,4Ch5MF1S cavities for die casting dies pressure die casting tools,4Ch5MF1S die casting shot sleeves,4Ch5MF1S hot forging dies,4Ch5MF1S Aluminum extrusion dies extrusion tools Extrusion Stems Extrusion die holders extrusion liner dummy blocks,and 4Ch5MF1S plastic mold cavities,4Ch5MF1S Forming Punches,4Ch5MF1S Hot Forging Dies stamping dies,4Ch5MF1S hot Shear Blades,4Ch5MF1S Plastic Mold Dies,and 4Ch5MF1S Bolt Dies,4Ch5MF1S pressure casting dies for light metals, mandrels, dies, liners, dieholders, bolsters,dummy blocks and containers for metal tube and rod extrusion tools,  hot forming dies for steels, brass and aluminum, tools and dies for the manufacture of hollow bodies, screws,nuts, rivets and bolts, moulds, worms and cylinders for the processing of plastics, press dies and die inserts, rolls for profiling tools,hot extrusion equipments, trimming tools, plastic moulding dies, severe cold punching, scrap shears, shrink rings, wear resisting parts, cold heading die casings, hot gripper and header dies, nitrided ejectors. other 4Ch5MF1S forged forging parts forged forging pieces forged forging steel components products material as per the requirement

Chemical Composition

The following table shows the chemical composition of JIS SKD61 tool steels.

Element Content (%)
Chromium, Cr 4.75-5.50
Molybdenum, Mo 1.10-1.75
Silicon, Si 0.80-1.20
Vanadium, V 0.80-1.20
Carbon, C 0.32-0.45
Nickel, Ni 0.3
Copper, Cu 0.25
Manganese, Mn 0.20-0.50
Phosphorus, P 0.03
Sulfur, S 0.03

Physical Properties

The physical properties of JIS SKD61 tool steels are given in the following table.

Properties Metric Imperial
Density (@20°C/68°F) 7.80 g/cm3 0.282 lb/in3
Melting point 1427°C 2600°F

Mechanical Properties

The mechanical properties of JIS SKD61 tool steels are tabulated below.

Properties Metric Imperial
Tensile strength, ultimate (@20°C/68°F, varies with heat treatment) 1200 - 1590 MPa 174000 - 231000 psi
Tensile strength, yield (@20°C/68°F, varies with heat treatment) 1000 - 1380 MPa 145000 - 200000 psi
Reduction of area (@20°C/68°F) 50.00% 50.00%
Modulus of elasticity (@20°C/68°F) 215 GPa 31200 ksi
Poisson's ratio 0.27-0.30 0.27-0.30

Thermal Properties

The following table shows the thermal properties of JIS SKD61 tool steels.

Properties Conditions
T (ºC) Treatment
Thermal expansion 10.4 x 10-6/ºC 20-100 -
Thermal conductivity 28.6 W/mK 215