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Japan JIS SPHT4 钢管用热轧碳钢钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SPHT4 / SPHT 4
Category Grade Standard Region/Area Standard Content
Metals SPHT 4 JIS G3132 Japan 钢管用热轧碳钢钢带

Chemical composition(mass fraction)(wt.%) of the SPHT 4

Element Min Max Similar

Mechanical Properties of steel grade SPHT 4

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)
633 (≥) 744 (≥) 31 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade SPHT 4

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
34 - -     0.14 -  
363 389 - 13.3 131   -  
716 - 34 42.2   443 121

Heat Treatment of steel grade SPHT 4

Heat treated : 1788°C - 1572°C

Technological Curves of steel grade SPHT 4

Cross Reference Table (Equivalent Grade) of SPHT 4

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