| Diameter(mm) | Thickness (mm) | Width (mm) | Length(mm) | |
| Round | 20-420 | - | - | 2000-5800 |
| Square | 20-420 | - | - | 2000-5800 |
| flat | - | 20-50 | 50-600 | 2000-5800 |
| Packing details | In seaworthy packing, as your requirement. |
| Delivery details | within 30-50 days |
| Grade | C | Mn | P | S | Si | Cr | Ni |
| 1.5752 |
0.14-
0.20 |
0.40-
0.70 |
0.025
max |
0.035
max |
0.40
max |
0.60-
0.90 |
3.00-
3.50 |
|
Process |
Diameter(mm) | Tensile Strength Rm (Mpa) | Yield Strength Rp0.2 (Mpa) | Elongation A5 (%) | Area Reduction Ratio C (%) | Hardness (HB) |
| Soft Annealing | / | / | / | / | / | 255 max |
| Treated to hardness range | / | / | / | / | / | 179-229 |
| Treated to ferrite-pearlite structure | / | / | / | / | 166-217 | |
| Quenched and tempered | 11 max | 1030-1320 | 835 min | 9 min | 40 min | / |
| Quenched and tempered | 11-30 | 930-1230 | 785 min | 10 min | 45 min | / |
| Quenched and tempered | 30-63 | 880-1180 | 735 min | 10 min | 45 min | / |
| Process | Temperature(ºC) |
| End quench test Austenitizing | 880 min |
| Carburizing | 880-980 |
| Core-hardening | 840-880 |
| Case-hardening | 780-820 |
| Tempering | 150-200 |