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America AWS ER312 不锈钢光焊丝和填充丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ER312 / ER312
Category Grade Standard Region/Area Standard Content
Metals ER312 AWS A5.9/A5.9M America 不锈钢光焊丝和填充丝标准

Chemical composition(mass fraction)(wt.%) of the ER312

Element Min Max Similar
Si 0.3000 0.6500 -
S - 0.0300 -
P - 0.0300 -
Ni 8.0000 10.5000 -
Mo - 0.7500 -
Mn 1.0000 2.5000 -
Cu - 0.7500 -
Cr 28.0000 32.0000 -
C - 0.1500 -

Mechanical Properties of steel grade ER312

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)
581 (≥) 253 (≥) 44 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade ER312

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
33 - -     0.23 -  
265 671 - 32.3 314   -  
589 - 23 32.2   324 421

Heat Treatment of steel grade ER312

Heat treated : 1467°C - 1941°C

Technological Curves of steel grade ER312

Cross Reference Table (Equivalent Grade) of ER312

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