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America ASME ER420 不锈钢光焊丝和填充丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ER420 / ER 420
Category Grade Standard Region/Area Standard Content
Metals ER 420 ASME SFA-5.9/SFA-5.9M America 不锈钢光焊丝和填充丝标准

Chemical composition(mass fraction)(wt.%) of the ER 420

Element Min Max Similar

Mechanical Properties of steel grade ER 420

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)
496 (≥) 134 (≥) 12 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade ER 420

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 - -     0.41 -  
731 922 - 33.3 311   -  
735 - 14 42.2   134 114

Heat Treatment of steel grade ER 420

Heat treated : 1642°C - 1275°C

Technological Curves of steel grade ER 420

Cross Reference Table (Equivalent Grade) of ER 420

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