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303Se


303Se material is YB SAE AMS 5640 Stainless and heat resisting steels YB SAE AMS 7538 Stainless and heat resisting steels Stainless and heat resisting steels.

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


303Se property sheet

303Se Spec.

YB SAE AMS 5640
Stainless and heat resisting steels
YB SAE AMS 7538
Stainless and heat resisting steels

Chemical Composition of 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 303Se

Rp0.2 (MPa) 955 (≥)
Rm (MPa) 911 (≥)
AKV (J) 44
A (%) 22
Z (%) 23
Hardness HBW 213

303Se shape and dimensions

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