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B983 N07725 Type 1

America ASTM B983N07725Type1 沉淀硬化或冷加工,无缝镍合金管和管件 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals B983 N07725 Type 1 ASTM B983 America 沉淀硬化或冷加工,无缝镍合金管和管件

Chemical composition(mass fraction)(wt.%) of the B983 N07725 Type 1

Element Min Max Similar
Ti 1.0000 1.7000 -
Si - 0.2000 -
S - 0.0100 -
P - 0.0150 -
Ni 55.0000 59.0000 -
Nb 2.7500 4.0000 -
Mo 7.0000 9.5000 -
Mn - 0.3500 -
Fe - - -
Cr 19.0000 22.5000 -
C - 0.0300 -
Al - 0.3500 -

Mechanical Properties of steel grade B983 N07725 Type 1

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)
549 (≥) 759 (≥) 32 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade B983 N07725 Type 1

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
11 - -     0.22 -  
993 367 - 32.3 321   -  
969 - 33 12.2   244 231

Heat Treatment of steel grade B983 N07725 Type 1

Heat treated : 1832°C - 1431°C

Technological Curves of steel grade B983 N07725 Type 1

Cross Reference Table (Equivalent Grade) of B983 N07725 Type 1

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