Billets and blooms are semi-finished steel products with square section produced via continuous casting technology. Billets and blooms are produced in a wide range of steel grades and serve as basis material for the warm rolling or are processed directly into forged pieces. Generally, blooms have a section measure of 160 mm or more, and billets have smaller measures.
| Available Grades | C | Mn | Si | P | S |
| ASTM A615 GR.40 | 0.21-0.26 | 0.65-0.75 | 0.15-0.25 | <0.04 | <0.05 |
| ASTM A615 GR.60 | 0.29-0.38 | 1.15-1.35 | 0.15-0.25 | <0.04 | <0.05 |
| GOST 380 ST 3SP | 0.14-0.22 | 0.40-0.65 | 0.15-0.30 | <0.04 | <0.05 |
| GOST 380 ST 5SP | 0.28-0.37 | 0.50-0.80 | 0.15-0.35 | <0.04 | <0.05 |
Customized Grades:
| 1 | GR40 | ASTM A615 |
| 2 | GR60 | ASTM A615 |
| 3 | St3SP | Gost 380 |
| 4 | St5SP | Gost 380 |
| 5 | B500 | BS 4449:2005 |
| 6 | 1006 | SAE J403 |
| 7 | 1008 | SAE J403 |
| 8 | 1018 | SAE J403 |
| 9 | St44-2 | DIN 17100 |
| 10 | S275NH | EN 10210-1 |
| 11 | 30Mn2 | GB 3077 |
Sections (mm):
- 125 x 125
- 130 x 130
- 140 x 140
- 150 x 150
- 160 x 160
- 180 x 180
- 200 x 200
- 220 x 220
- 280 x 220