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HS 7-4-2-5

EU EU HS7-4-2-5 冷作合金工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HS7-4-2-5 / HS 7-4-2-5
Category Grade Standard Region/Area Standard Content
Metals HS 7-4-2-5 EU 96 EU 冷作合金工具钢

Chemical composition(mass fraction)(wt.%) of the HS 7-4-2-5

Element Min Max Similar

Mechanical Properties of steel grade HS 7-4-2-5

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)
548 (≥) 219 (≥) 21 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade HS 7-4-2-5

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
22 - -     0.13 -  
461 614 - 43.3 313   -  
169 - 32 42.2   232 422

Heat Treatment of steel grade HS 7-4-2-5

Heat treated : 1564°C - 1418°C

Technological Curves of steel grade HS 7-4-2-5

Cross Reference Table (Equivalent Grade) of HS 7-4-2-5

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