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SA-29 Grade 87L20

America ASME SA-29Grade87L20 热加工与冷精整碳钢和合金钢棒材通用要求 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SA-29 Grade 87L20 ASME SA-29/SA-29M America 热加工与冷精整碳钢和合金钢棒材通用要求

Chemical composition(mass fraction)(wt.%) of the SA-29 Grade 87L20

Element Min Max Similar

Mechanical Properties of steel grade SA-29 Grade 87L20

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)
923 (≥) 692 (≥) 43 13 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade SA-29 Grade 87L20

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
42 - -     0.33 -  
959 155 - 14.3 233   -  
262 - 21 23.2   243 332

Heat Treatment of steel grade SA-29 Grade 87L20

Heat treated : 1161°C - 1341°C

Technological Curves of steel grade SA-29 Grade 87L20

Cross Reference Table (Equivalent Grade) of SA-29 Grade 87L20

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