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Description

W4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: W4
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel W4
1.3501
W1
W2
1.3503
W3
1.3505
100CrMnSi6-4
1.3520
100CrMn6
1.3520

Chemical composition(mass fraction)(wt.%) of the W4

C
Si
Mn
P
S
Cr Ni
0.93-1.05  0.45-0.75  1.00-1.20 0.025  0.015  1.40-1.65   
Mo Al Cu Nb Ti V Ce
   0.050  0.30        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade W4

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
241 (≥) 516 (≥) 24 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade W4

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
21 - -     0.23 -  
612 975 - 32.3 411   -  
493 - 13 34.2   421 242

Heat Treatment of steel grade W4

Heat treated : 1684°C - 1275°C

Technological Curves of steel grade W4

Cross Reference Table (Equivalent Grade) of W4

Grade Standard Country Application
120W4 DIN Germany Cold working alloy tool steel
100MnCrW4 DIN Germany Cold working alloy tool steel
115W4 Spain structural alloy steel
30W4Cr2VA China China spring steels

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