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In ChinaA 268 29-4-2 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 29-4-2, A 268 29-4-2 mechanical properties, A 268 29-4-2 datasheet, A 268 29-4-2 equivalent grade, Heat treatment and temperature process of A 268 29-4-2.
| SAE A 268/A 268M (2010) 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) | 159 (≥) | 
| Rm (MPa) | 858 (≥) | 
| AKV (J) | 14 | 
| A (%) | 12 | 
| Z (%) | 34 | 
| Hardness | HBW 412 | 
| A 268 29-4-2 Round bar: | 1mm-800mm | 
| A 268 29-4-2 Square bar: | 10mm * 10mm-600mm *600mm | 
| A 268 29-4-2 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm | 
| A 268 29-4-2 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm | 
| A 268 29-4-2 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm | 
| A 268 29-4-2 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |