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A220 Grade 340M5

America ASTM A220Grade340M5 珠光体可锻铁 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A220Grade340M5 / A220 Grade 340M5
Category Grade Standard Region/Area Standard Content
Metals A220 Grade 340M5 ASTM A220/A220M America 珠光体可锻铁

Chemical composition(mass fraction)(wt.%) of the A220 Grade 340M5

Element Min Max Similar

Mechanical Properties of steel grade A220 Grade 340M5

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)
446 (≥) 124 (≥) 31 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade A220 Grade 340M5

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 - -     0.34 -  
812 359 - 23.3 344   -  
572 - 42 31.2   442 214

Heat Treatment of steel grade A220 Grade 340M5

Heat treated : 1562°C - 1382°C

Technological Curves of steel grade A220 Grade 340M5

Cross Reference Table (Equivalent Grade) of A220 Grade 340M5

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