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In ChinaSA-268 29-4 material is AMS SA-268/SA-268M Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service.
Chemical composition of SA-268 29-4, SA-268 29-4 mechanical properties, SA-268 29-4 datasheet, SA-268 29-4 equivalent grade, Heat treatment and temperature process of SA-268 29-4.
AMS SA-268/SA-268M Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
C: | Max | 0.01 |
Si: | Max | 0.20 |
Mn: | Max | 0.30 |
P: | Max | Min |
S: | Max | Min |
Ni: | Max | 0.15 |
Cr: | 28.00 | 30.00 |
Al: | Max | Min |
Cu: | Max | 0.15 |
Ti: | Max | Min |
Fe: | Max | Min |
N: | Max | 0.02 |
Mo: | 3.50 | 4.20 |
Rp0.2 (MPa) | 554 (≥) |
Rm (MPa) | 538 (≥) |
AKV (J) | 22 |
A (%) | 21 |
Z (%) | 41 |
Hardness | HBW 131 |
SA-268 29-4 Round bar: | 1mm-800mm |
SA-268 29-4 Square bar: | 10mm * 10mm-600mm *600mm |
SA-268 29-4 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
SA-268 29-4 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
SA-268 29-4 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
SA-268 29-4 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |