Description

4Cr5MoSiV1 steel for die casting molds. It has good toughness and good thermal strength, thermal fatigue properties and wear resistance. It can be hardened by air cooling, and the heat treatment deformation is small.

4Cr5MoSiV1

4Cr5MoSiV1 Worldwide equivalents

ChinaUSAGermanyJapan
StandardGBASTMDINJIS
Grade4Cr5MoSiV1H131.2344SKD61

 4Cr5MoSiV1 Chemical Composition

CSiMnP (≤)S (≤)CrNi (≤)MoVCu(≤)
0.32-0.420.8-1.20.20-0.500.0300.0304.7-5.50.201.1-1.750.80-1.200.30

4Cr5MoSiV1 Mechanical Properties

Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
762(≥)969(≥)443442Solution and Aging, Annealing, Ausaging, Q+T232

4Cr5MoSiV1 Physical Properties

PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
278(≥)143(≥)422113
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
778484456Solution and Aging,Annealing,Ausaging, Q+T212

 4Cr5MoSiV1 Steel Application

Suitable for aluminum and copper die-casting molds. hot extrusion molds, mandrel forging molds, plastic molds that work for a long time at high temperatures. Also suitable for heat-resistant thimbles, push rods and ejector pins.

4Cr5MoSiV1 products

Product typeProductsDimensionProcessesDeliver Status
Plates / SheetsPlates / Sheets0.08-200mm(T)*W*LForging, hot rolling and cold rollingAnnealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel BarRound Bar, Flat Bar, Square BarΦ8-1200mm*LForging, hot rolling and cold rolling, CastBlack, Rough Turning, Shot Blasting,
Coil / StripSteel Coil /Steel Strip0.03-16.0x1200mmCold-Rolled & Hot-RolledAnnealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / TubesSeamless Pipes/Tubes, Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion, Cold Drawn, WeldedAnnealed, Solution and Aging, Q+T, ACID-WASHED