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ISO 9001:2008R&D Production
In ChinaA 299 Grade A material is SAE A 299/A 299M (2009) Pressure Vessel Plates, Carbon Steel, Manganese-Silicon Pressure Vessel Plates, Carbon Steel, Manganese-Silicon.
Chemical composition of A 299 Grade A, A 299 Grade A mechanical properties, A 299 Grade A datasheet, A 299 Grade A equivalent grade, Heat treatment and temperature process of A 299 Grade A.
| C: | 0.08 | 0.15 | 
| Si: | Max | 0.75 | 
| Mn: | 1.00 | 2.00 | 
| P: | Max | Min | 
| S: | Max | 0.03 | 
| Ni: | 8.50 | 10.50 | 
| Cr: | 27.00 | 31.00 | 
| Al: | Max | Min | 
| Cu: | Max | 0.50 | 
| Ti: | Max | Min | 
| Fe: | Max | Min | 
| N: | Max | Min | 
| Mo: | Max | 0.50 | 
| Rp0.2 (MPa) | 143 (≥) | 
| Rm (MPa) | 418 (≥) | 
| AKV (J) | 14 | 
| A (%) | 34 | 
| Z (%) | 44 | 
| Hardness | HBW 223 | 
| A 299 Grade A Round bar: | 1mm-800mm | 
| A 299 Grade A Square bar: | 10mm * 10mm-600mm *600mm | 
| A 299 Grade A Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm | 
| A 299 Grade A Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm | 
| A 299 Grade A Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm | 
| A 299 Grade A Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |