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A 988 S41000 Class 1

Description

USA SAE A 988/A 988M (2011), A 988 S41000 Class 1 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 1
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 988 S41000 Class 1 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 1

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 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)
885 (≥) 359 (≥) 31 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade A 988 S41000 Class 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
42 - -     0.41 -  
633 138 - 14.3 142   -  
949 - 24 41.2   312 113

Heat Treatment of steel grade A 988 S41000 Class 1

Heat treated : 1728°C - 1935°C

Technological Curves of steel grade A 988 S41000 Class 1

Cross Reference Table (Equivalent Grade) of A 988 S41000 Class 1

Relevant standard of A 988 S41000 Class 1

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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