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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

SUS 303Se


SUS 303Se material is FED G 4303 (2005) Stainless steel bars FED G 4308 (2007) Stainless steel wire rods FED G 4309 (1999) Stainless steel wires FED G 4318 (2007) Cold finished stainless steel bars Standard Specification for Stainless Steel Socket Set Screws (Metric) .

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


SUS 303Se property sheet

SUS 303Se Spec.

FED G 4303 (2005)
Stainless steel bars
FED G 4308 (2007)
Stainless steel wire rods
FED G 4309 (1999)
Stainless steel wires
FED G 4318 (2007)
Cold finished stainless steel bars

Chemical Composition of SUS 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 SUS 303Se

Rp0.2 (MPa) 533 (≥)
Rm (MPa) 111 (≥)
AKV (J) 44
A (%) 21
Z (%) 11
Hardness HBW 212

SUS 303Se shape and dimensions

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