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A 691 Grade 2 1/4 CR
A 691 Grade 2 1/4 CR material is SAE A 691 (2009) Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures.
Chemical composition of A 691 Grade 2 1/4 CR, A 691 Grade 2 1/4 CR mechanical properties, A 691 Grade 2 1/4 CR datasheet, A 691 Grade 2 1/4 CR equivalent grade, Heat treatment and temperature process of A 691 Grade 2 1/4 CR.
A 691 Grade 2 1/4 CR property sheet
A 691 Grade 2 1/4 CR Spec.
| SAE A 691 (2009) Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures |
Related Materials
Chemical Composition of A 691 Grade 2 1/4 CR
| C: | Max | 0.05 |
| Si: | Max | 0.20 |
| Mn: | Max | 0.50 |
| P: | Max | Min |
| S: | Max | Min |
| Ni: | Max | remaining |
| Cr: | 15.00 | 17.00 |
| Al: | 4.00 | 5.00 |
| Cu: | Max | Min |
| Ti: | Max | 0.50 |
| Fe: | 2.00 | 4.00 |
| N: | Max | Min |
| Mo: | Max | 0.50 |
| B: | Max | 0.006 |
| Zr: | Max | 0.05 |
Mechanical Properties of A 691 Grade 2 1/4 CR
| Rp0.2 (MPa) | 658 (≥) |
| Rm (MPa) | 375 (≥) |
| AKV (J) | 22 |
| A (%) | 44 |
| Z (%) | 13 |
| Hardness | HBW 431 |
A 691 Grade 2 1/4 CR shape and dimensions
| A 691 Grade 2 1/4 CR Round bar: | 1mm-800mm |
| A 691 Grade 2 1/4 CR Square bar: | 10mm * 10mm-600mm *600mm |
| A 691 Grade 2 1/4 CR Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| A 691 Grade 2 1/4 CR Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| A 691 Grade 2 1/4 CR Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| A 691 Grade 2 1/4 CR Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |
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