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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)
987 (≥) 181 (≥) 42 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

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
42 - -     0.32 -  
187 317 - 23.3 232   -  
987 - 13 41.2   144 144

Heat Treatment of steel grade STAM 290 GB

Heat treated : 1733°C - 1345°C

Technological Curves of steel grade STAM 290 GB

Cross Reference Table (Equivalent Grade) of STAM 290 GB

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