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America ASME ER320LR 不锈钢光焊丝和填充丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ER320LR / ER 320LR
Category Grade Standard Region/Area Standard Content
Metals ER 320LR 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 320LR

Element Min Max Similar

Mechanical Properties of steel grade ER 320LR

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)
783 (≥) 468 (≥) 11 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade ER 320LR

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 -  
935 254 - 41.3 121   -  
374 - 43 32.2   332 224

Heat Treatment of steel grade ER 320LR

Heat treated : 1959°C - 1316°C

Technological Curves of steel grade ER 320LR

Cross Reference Table (Equivalent Grade) of ER 320LR

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