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In ChinaA 193 B8M2 Class 2B material is SAE A 193/A 193M (2012) Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications.
Chemical composition of A 193 B8M2 Class 2B, A 193 B8M2 Class 2B mechanical properties, A 193 B8M2 Class 2B datasheet, A 193 B8M2 Class 2B equivalent grade, Heat treatment and temperature process of A 193 B8M2 Class 2B.
SAE A 193/A 193M (2012) Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications |
A 193 B8M2 Class 2 |
A 193 B8M2 Class 2B |
B 388 TM22 |
B 883 MIM-2200 |
SA-193 Grade B8M2 Class 2B |
C: | Max | 0.13 |
Si: | Max | Min |
Mn: | Max | Min |
Ni: | Max | Min |
Cr: | Max | 5.70 |
Al: | Max | 6.30 |
Cu: | Max | Min |
Ti: | Max | Min |
Fe: | Max | Min |
Mo: | Max | 2.00 |
Co: | Max | Min |
Ta: | Max | 3.00 |
Zr: | Max | 0.60 |
W: | Max | 11.00 |
Rp0.2 (MPa) | 217 (≥) |
Rm (MPa) | 785 (≥) |
AKV (J) | 23 |
A (%) | 44 |
Z (%) | 11 |
Hardness | HBW 114 |
A 193 B8M2 Class 2B Round bar: | 1mm-800mm |
A 193 B8M2 Class 2B Square bar: | 10mm * 10mm-600mm *600mm |
A 193 B8M2 Class 2B Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
A 193 B8M2 Class 2B Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
A 193 B8M2 Class 2B Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
A 193 B8M2 Class 2B Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |