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America UNS W21345 潜弧焊用低合金钢双金属丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W21345 / W21345
Category Grade Standard Region/Area Standard Content
Metals W21345 -- America 潜弧焊用低合金钢双金属丝

Chemical composition(mass fraction)(wt.%) of the W21345

Element Min Max Similar
Zr - 0.0200 -
V - 0.0200 -
Ti - 0.0300 -
Si - 0.5000 -
S - 0.0150 -
P - 0.0150 -
Ni 1.4000 2.1000 -
Mo 0.2000 0.5000 -
Mn 1.6000 2.5000 -
Cu - 0.3000 -
Cr - 0.4000 -
C - 0.1200 -

Mechanical Properties of steel grade W21345

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)
483 (≥) 715 (≥) 14 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade W21345

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 - -     0.34 -  
788 416 - 11.3 314   -  
298 - 43 32.2   224 323

Heat Treatment of steel grade W21345

Heat treated : 1575°C - 1851°C

Technological Curves of steel grade W21345

Cross Reference Table (Equivalent Grade) of W21345

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