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STAM 290 GB

Japan JIS STAM290GB 汽车结构用电阻焊接碳素钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STAM290GB / STAM 290 GB
Category Grade Standard Region/Area Standard Content
Metals STAM 290 GB JIS G3472 Japan 汽车结构用电阻焊接碳素钢管

Chemical composition(mass fraction)(wt.%) of the STAM 290 GB

Element Min Max Similar

Mechanical Properties of steel grade STAM 290 GB

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)
935 (≥) 339 (≥) 24 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade STAM 290 GB

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
11 - -     0.12 -  
599 771 - 23.3 223   -  
618 - 32 23.2   244 431

Heat Treatment of steel grade STAM 290 GB

Heat treated : 1531°C - 1735°C

Technological Curves of steel grade STAM 290 GB

Cross Reference Table (Equivalent Grade) of STAM 290 GB

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