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A 988 S21904


A 988 S21904 material is SAE A 988/A 988M (2011) Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar.

Chemical composition of A 988 S21904, A 988 S21904 mechanical properties, A 988 S21904 datasheet, A 988 S21904 equivalent grade, Heat treatment and temperature process of A 988 S21904.


A 988 S21904 property sheet

A 988 S21904 Spec.

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

Chemical Composition of A 988 S21904

C: Max 0.04
Si: Max 1.00
Mn: 8.00 10.0
P: Max 0.06
S: Max 0.03
Cr: 19.0 21.5
Ni: 5.50 7.50
N: 0.15 0.40

Mechanical Properties of A 988 S21904

Rp0.2 (MPa) 278 (≥)
Rm (MPa) 311 (≥)
AKV (J) 11
A (%) 24
Z (%) 13
Hardness HBW 411

A 988 S21904 shape and dimensions

A 988 S21904 Round bar: 1mm-800mm
A 988 S21904 Square bar: 10mm * 10mm-600mm *600mm
A 988 S21904 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A 988 S21904 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A 988 S21904 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A 988 S21904 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes