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America ASME ER49S-A1 气体保护电弧焊用低合金钢焊丝和填充丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ER49S-A1 / ER49S-A1
Category Grade Standard Region/Area Standard Content
Metals ER49S-A1 ASME SFA-5.28/SFA-5.28M America 气体保护电弧焊用低合金钢焊丝和填充丝标准

Chemical composition(mass fraction)(wt.%) of the ER49S-A1

Element Min Max Similar
C - 0.1200 -
Mn - 1.3000 -
P - 0.0250 -
S - 0.0250 -
Si 0.3000 0.7000 -
Ni - 0.2000 -
Mo 0.4000 0.6500 -
Cu - 0.3500 -
Others Total - 0.5000 -

Mechanical Properties of steel grade ER49S-A1

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)
865 (≥) 221 (≥) 41 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade ER49S-A1

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
21 - -     0.14 -  
424 694 - 42.3 144   -  
686 - 24 43.2   412 121

Heat Treatment of steel grade ER49S-A1

Heat treated : 1272°C - 1257°C

Technological Curves of steel grade ER49S-A1

Cross Reference Table (Equivalent Grade) of ER49S-A1

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