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China GB B2553 不锈钢焊丝和焊带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B2553 / B2553
Category Grade Standard Region/Area Standard Content
Metals B2553 GB/T 29713 China 不锈钢焊丝和焊带

Chemical composition(mass fraction)(wt.%) of the B2553

Element Min Max Similar
C - 0.0400 -
Si - 1.0000 -
Mn - 1.5000 -
P - 0.0400 -
S - 0.0300 -
Cr 24.0000 27.0000 -
Ni 4.5000 6.5000 -
Mo 2.9000 3.9000 -
Cu 1.5000 2.5000 -
N 0.1000 0.2500 -

Mechanical Properties of steel grade B2553

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)
841 (≥) 286 (≥) 11 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade B2553

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
23 - -     0.21 -  
298 265 - 13.3 422   -  
642 - 44 22.2   222 444

Heat Treatment of steel grade B2553

Heat treated : 1934°C - 1771°C

Technological Curves of steel grade B2553

Cross Reference Table (Equivalent Grade) of B2553

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