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England B.S. 135H44 淬火和回火钢 - 第1部分:一般交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 135H44 / 135 H 44
Category Grade Standard Region/Area Standard Content
Metals 135 H 44 BS EN 10083-1 England 淬火和回火钢 - 第1部分:一般交货技术条件

Chemical composition(mass fraction)(wt.%) of the 135 H 44

Element Min Max Similar

Mechanical Properties of steel grade 135 H 44

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)
721 (≥) 447 (≥) 22 11 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade 135 H 44

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
24 - -     0.11 -  
862 886 - 14.3 244   -  
526 - 23 22.2   333 134

Heat Treatment of steel grade 135 H 44

Heat treated : 1341°C - 1423°C

Technological Curves of steel grade 135 H 44

Cross Reference Table (Equivalent Grade) of 135 H 44

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