High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

SUS 303


SUS 303 material is JIS G 4303 (2012) Stainless steel bars Stainless steel bars.

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


SUS 303 property sheet

SUS 303 Spec.

JIS G 4303 (2012)
Stainless steel bars

Chemical Composition of SUS 303

C: Max 0.15
Si: Max 1.00
Mn: Max 2.00
P: Max 0.20
S: Max 0.15
Cr: 17.00 19.00
Ni: 8.00 10.00
Mo: Max 0.60
N: Max Min

Mechanical Properties of SUS 303

Rp0.2 (MPa) 812 (≥)
Rm (MPa) 773 (≥)
AKV (J) 34
A (%) 32
Z (%) 24
Hardness HBW 423

SUS 303 shape and dimensions

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