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STR660
STR660 material is KS D 3731 (2002) Heat - resisting steel bars KS D 3732 (2002) Heat - resisting steel plates and sheets Heat - resisting steel plates and sheets.
Chemical composition of STR660, STR660 mechanical properties, STR660 datasheet, STR660 equivalent grade, Heat treatment and temperature process of STR660.
STR660 property sheet
STR660 Spec.
| KS D 3731 (2002) Heat - resisting steel bars |
| KS D 3732 (2002) Heat - resisting steel plates and sheets |
Related Materials
| STR660 |
Chemical Composition of STR660
| C: | Max | 0.08 |
| Si: | Max | 1.00 |
| Mn: | Max | 2.00 |
| P: | Max | 0.040 |
| S: | Max | 0.030 |
| Cr: | 13.50 | 16.00 |
| Ni: | 24.00 | 27.00 |
| Mo: | 1.00 | 1.50 |
| N: | Max | Min |
| Al: | Max | 0.35 |
| Ti: | 1.90 | 2.35 |
| V: | 0.10 | 0.50 |
| B: | 0.001 | 0.010 |
Mechanical Properties of STR660
| Rp0.2 (MPa) | 563 (≥) |
| Rm (MPa) | 399 (≥) |
| AKV (J) | 11 |
| A (%) | 44 |
| Z (%) | 12 |
| Hardness | HBW 321 |
STR660 shape and dimensions
| STR660 Round bar: | 1mm-800mm |
| STR660 Square bar: | 10mm * 10mm-600mm *600mm |
| STR660 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| STR660 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| STR660 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| STR660 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |
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