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A134 A 285 Grade A

America ASTM A134A285GradeA 钢管,钢铁,电熔(电弧)焊接(NPS尺寸为16及以上) and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals A134 A 285 Grade A ASTM A134 America 钢管,钢铁,电熔(电弧)焊接(NPS尺寸为16及以上)

Chemical composition(mass fraction)(wt.%) of the A134 A 285 Grade A

Element Min Max Similar

Mechanical Properties of steel grade A134 A 285 Grade A

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)
729 (≥) 211 (≥) 42 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade A134 A 285 Grade A

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
14 - -     0.21 -  
126 471 - 34.3 331   -  
723 - 33 23.2   413 243

Heat Treatment of steel grade A134 A 285 Grade A

Heat treated : 1958°C - 1552°C

Technological Curves of steel grade A134 A 285 Grade A

Cross Reference Table (Equivalent Grade) of A134 A 285 Grade A

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