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America UNS K21451 合金钢焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K21451 / K21451
Category Grade Standard Region/Area Standard Content
Metals K21451 -- America 合金钢焊条

Chemical composition(mass fraction)(wt.%) of the K21451

Element Min Max Similar

Mechanical Properties of steel grade K21451

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)
463 (≥) 315 (≥) 21 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade K21451

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
32 - -     0.31 -  
525 248 - 42.3 122   -  
377 - 43 31.2   111 114

Heat Treatment of steel grade K21451

Heat treated : 1175°C - 1446°C

Technological Curves of steel grade K21451

Cross Reference Table (Equivalent Grade) of K21451

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