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A 988 S41000 Class 2

Description

USA SAE A 988/A 988M (2011), A 988 S41000 Class 2 Specialsteel Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 988 S41000 Class 2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 988 S41000 Class 2 Martensite SAE USA Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service

Chemical composition(mass fraction)(wt.%) of the A 988 S41000 Class 2

C Mn Si P S Cr Ni Mo
≤0.15 ≤1.00 ≤1.00 ≤0.04 ≤0.03 11.50 -13.50 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade A 988 S41000 Class 2

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)
887 (≥) 291 (≥) 13 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade A 988 S41000 Class 2

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
31 - -     0.44 -  
593 369 - 41.3 433   -  
415 - 32 11.2   334 132

Heat Treatment of steel grade A 988 S41000 Class 2

Heat treated : 1551°C - 1568°C

Technological Curves of steel grade A 988 S41000 Class 2

Cross Reference Table (Equivalent Grade) of A 988 S41000 Class 2

Relevant standard of A 988 S41000 Class 2

A 988/A 988M (2011) Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service A-988-A-988M-(2011).pdf

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