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America UNS K21351 合金钢焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K21351 / K21351
Category Grade Standard Region/Area Standard Content
Metals K21351 -- America 合金钢焊条

Chemical composition(mass fraction)(wt.%) of the K21351

Element Min Max Similar
V - 0.0500 -
Si 0.5000 0.8000 -
S - 0.0250 -
P - 0.0120 -
Mo 0.4000 0.6000 -
Mn 1.6000 2.1000 -
Cu - 0.0800 -
C 0.0700 0.1200 -

Mechanical Properties of steel grade K21351

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)
545 (≥) 271 (≥) 43 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade K21351

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
13 - -     0.31 -  
639 299 - 33.3 421   -  
343 - 32 31.2   234 421

Heat Treatment of steel grade K21351

Heat treated : 1775°C - 1439°C

Technological Curves of steel grade K21351

Cross Reference Table (Equivalent Grade) of K21351

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