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UNS 303 Cu

303 Cu


303 Cu material is UNS SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels Chemical compositions of SAE wrought stainless steels.

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


303 Cu property sheet

303 Cu Spec.

UNS SAE J 405 (1998)
Chemical compositions of SAE wrought stainless steels

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Chemical Composition of 303 Cu

C: Max 0.15
Si: Max 1.00
Mn: Max 2.00
P: Max 0.15
S: 0.10 Min
Cr: 17.0 19.0
Ni: 6.00 10.0
Cu: 2.50 4.00
Se: 0.10 Min

Mechanical Properties of 303 Cu

Rp0.2 (MPa) 996 (≥)
Rm (MPa) 968 (≥)
AKV (J) 13
A (%) 12
Z (%) 21
Hardness HBW 442

303 Cu shape and dimensions

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

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