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In ChinaSA-268 25-4-4 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 25-4-4, SA-268 25-4-4 mechanical properties, SA-268 25-4-4 datasheet, SA-268 25-4-4 equivalent grade, Heat treatment and temperature process of SA-268 25-4-4.
AMS SA-268/SA-268M Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
A 176 S44635 |
A 240 S44635 |
A 268 S44635 |
S44635 |
SA-240 S44635 |
SA-268 S44635 |
A 268 25-4-4 |
A 791 Grade 25-4-4 |
A 803 Grade 25-4-4 |
A 959 Type 25-4-4 |
K42544 |
SA-240 Type 25-4-4 |
SA-268 25-4-4 |
SA-803 25-4-4 |
C: | Max | 0.025 |
Si: | Max | 0.75 |
Mn: | Max | 1.00 |
P: | Max | 0.04 |
S: | Max | 0.04 |
Ni: | 3.35 | 4.50 |
Cr: | 24.50 | 26.00 |
Al: | Max | Min |
Cu: | Max | 0.50 |
Ti: | Max | Min |
Fe: | Max | Min |
N: | Max | 0.035 |
Mo: | 3.50 | 4.50 |
Rp0.2 (MPa) | 695 (≥) |
Rm (MPa) | 525 (≥) |
AKV (J) | 21 |
A (%) | 33 |
Z (%) | 23 |
Hardness | HBW 323 |
SA-268 25-4-4 Round bar: | 1mm-800mm |
SA-268 25-4-4 Square bar: | 10mm * 10mm-600mm *600mm |
SA-268 25-4-4 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
SA-268 25-4-4 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
SA-268 25-4-4 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
SA-268 25-4-4 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |