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A 959 Type 303Se


A 959 Type 303Se material is SAE A 959 (2011) Specifying harmonized standard grade compositions for wrought stainless steels Specifying harmonized standard grade compositions for wrought stainless steels.

Chemical composition of A 959 Type 303Se, A 959 Type 303Se mechanical properties, A 959 Type 303Se datasheet, A 959 Type 303Se equivalent grade, Heat treatment and temperature process of A 959 Type 303Se.


A 959 Type 303Se property sheet

A 959 Type 303Se Spec.

SAE A 959 (2011)
Specifying harmonized standard grade compositions for wrought stainless steels

Chemical Composition of A 959 Type 303Se

C: Max 0.15
Si: Max 1.00
Mn: Max 2.00
P: Max 0.2
S: Max 0.06
Cr: 17.0 19.0
Ni: 8.00 10.0
Se: 0.15 Min

Mechanical Properties of A 959 Type 303Se

Rp0.2 (MPa) 345 (≥)
Rm (MPa) 346 (≥)
AKV (J) 21
A (%) 13
Z (%) 21
Hardness HBW 321

A 959 Type 303Se shape and dimensions

A 959 Type 303Se Round bar: 1mm-800mm
A 959 Type 303Se Square bar: 10mm * 10mm-600mm *600mm
A 959 Type 303Se Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A 959 Type 303Se Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A 959 Type 303Se Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A 959 Type 303Se Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes