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China 鞍钢Q/ASB 43A 焊接结构用热连轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 43A / 43A
Category Grade Standard Region/Area Standard Content
Metals 43A Q/ASB 332 China 焊接结构用热连轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the 43A

Element Min Max Similar
P - 0.0300 -
S - 0.0300 -
Mn - 1.6000 -
Si - 0.5000 -
C - 0.2500 -

Mechanical Properties of steel grade 43A

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)
393 (≥) 419 (≥) 33 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade 43A

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
13 - -     0.11 -  
864 247 - 42.3 222   -  
154 - 23 32.2   314 112

Heat Treatment of steel grade 43A

Heat treated : 1136°C - 1418°C

Technological Curves of steel grade 43A

Cross Reference Table (Equivalent Grade) of 43A

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