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SB-668 N08028

Description

USA AMS SB-668, SB-668 N08028 Specialsteel UNS N08028 Seamless Pipe and Tube and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SB-668 N08028
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SB-668 N08028 Austenite AMS USA UNS N08028 Seamless Pipe and Tube

Chemical composition(mass fraction)(wt.%) of the SB-668 N08028

C Mn Si P S Cr Ni Mo Cu
≤0.02 ≤2.00 ≤1.00 ≤0.02 ≤0.015 26.00 -28.00 29.50 -32.50 3.00 -4.00 0.60 -1.40

Mechanical Properties of steel grade SB-668 N08028

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)
321 (≥) 333 (≥) 11 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade SB-668 N08028

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
24 - -     0.43 -  
368 791 - 12.3 413   -  
831 - 22 22.2   114 123

Heat Treatment of steel grade SB-668 N08028

Heat treated : 1673°C - 1631°C

Technological Curves of steel grade SB-668 N08028

Cross Reference Table (Equivalent Grade) of SB-668 N08028

Relevant standard of SB-668 N08028

SB-668 UNS N08028 Seamless Pipe and Tube SB-668.pdf

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