Certified Company
DNV&ABSCertified Company
DNV&ABSCertified Company
ISO 9001:2008R&D Production
In ChinaA 268 25-4-4 material is SAE A 268/A 268M (2010) Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service.
Chemical composition of A 268 25-4-4, A 268 25-4-4 mechanical properties, A 268 25-4-4 datasheet, A 268 25-4-4 equivalent grade, Heat treatment and temperature process of A 268 25-4-4.
SAE A 268/A 268M (2010) 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) | 143 (≥) |
Rm (MPa) | 453 (≥) |
AKV (J) | 32 |
A (%) | 41 |
Z (%) | 32 |
Hardness | HBW 443 |
A 268 25-4-4 Round bar: | 1mm-800mm |
A 268 25-4-4 Square bar: | 10mm * 10mm-600mm *600mm |
A 268 25-4-4 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
A 268 25-4-4 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
A 268 25-4-4 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
A 268 25-4-4 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |