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B637 N07750 Type 3

America ASTM B637N07750Type3 高温设备用沉淀淬火镍合金棒、锻件及锻造坯料的制备 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals B637 N07750 Type 3 ASTM B637 America 高温设备用沉淀淬火镍合金棒、锻件及锻造坯料的制备

Chemical composition(mass fraction)(wt.%) of the B637 N07750 Type 3

Element Min Max Similar

Mechanical Properties of steel grade B637 N07750 Type 3

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)
934 (≥) 972 (≥) 33 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade B637 N07750 Type 3

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
21 - -     0.12 -  
212 665 - 21.3 243   -  
739 - 33 21.2   113 413

Heat Treatment of steel grade B637 N07750 Type 3

Heat treated : 1814°C - 1913°C

Technological Curves of steel grade B637 N07750 Type 3

Cross Reference Table (Equivalent Grade) of B637 N07750 Type 3

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