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B674 N08925

America ASTM B674N08925 UNS NO8904、UNS NO8925和UNS NO8926焊接管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B674N08925 / B674 N08925
Category Grade Standard Region/Area Standard Content
Metals B674 N08925 ASTM B674 America UNS NO8904、UNS NO8925和UNS NO8926焊接管

Chemical composition(mass fraction)(wt.%) of the B674 N08925

Element Min Max Similar

Mechanical Properties of steel grade B674 N08925

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)
858 (≥) 683 (≥) 11 12 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade B674 N08925

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
14 - -     0.13 -  
323 187 - 41.3 414   -  
749 - 34 33.2   424 411

Heat Treatment of steel grade B674 N08925

Heat treated : 1391°C - 1374°C

Technological Curves of steel grade B674 N08925

Cross Reference Table (Equivalent Grade) of B674 N08925

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