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B550 R60704

America ASTM B550R60704 锆及锆合金棒材和丝材技术规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B550R60704 / B550 R60704
Category Grade Standard Region/Area Standard Content
Metals B550 R60704 ASTM B550/B550M America 锆及锆合金棒材和丝材技术规范

Chemical composition(mass fraction)(wt.%) of the B550 R60704

Element Min Max Similar

Mechanical Properties of steel grade B550 R60704

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)
159 (≥) 875 (≥) 42 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade B550 R60704

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
44 - -     0.34 -  
399 592 - 43.3 114   -  
725 - 32 44.2   312 314

Heat Treatment of steel grade B550 R60704

Heat treated : 1644°C - 1638°C

Technological Curves of steel grade B550 R60704

Cross Reference Table (Equivalent Grade) of B550 R60704

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