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44 SMnPb 28

EU EN 44SMnPb28 易切削钢 - 交货技术条件半成品,热轧棒材和线材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 44SMnPb28 / 44 SMnPb 28
Category Grade Standard Region/Area Standard Content
Metals 44 SMnPb 28 EN 10087 EU 易切削钢 - 交货技术条件半成品,热轧棒材和线材

Chemical composition(mass fraction)(wt.%) of the 44 SMnPb 28

Element Min Max Similar

Mechanical Properties of steel grade 44 SMnPb 28

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)
997 (≥) 763 (≥) 31 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 44 SMnPb 28

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
41 - -     0.32 -  
961 997 - 31.3 314   -  
498 - 12 44.2   433 121

Heat Treatment of steel grade 44 SMnPb 28

Heat treated : 1281°C - 1414°C

Technological Curves of steel grade 44 SMnPb 28

Cross Reference Table (Equivalent Grade) of 44 SMnPb 28

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