In 2015, SSAB’s high-strength structural steel brands Weldox and Optim, together with the best products from the Domex® and Docol® brands were combined into one. Their legacy lives on in Strenx® performance steel.
Strenx® product offer and data sheetsStrenx® offers the world’s largest selection of high-strength structural steels, in terms of both strength and dimensions. Yield strengths range from 600 MPa to 1,300 MPa – the strongest steel available on the market. Strenx® is available as sheet, strip and tubular products in thicknesses from 0.7 mm to 160 mm.
| Old product | Now |
| Weldox 100 | Strenx® 100 |
| Weldox 130 | Strenx® 900 E/F |
| Weldox 690, 700, 700e | Strenx® 700 E/F |
| Weldox 900 | Strenx® 900 E/F |
| Weldox 960 | Strenx® 960 E/F |
| Weldox 1100 | Strenx® 1100 E/F |
| Weldox 1300 | Strenx® 1300 E/F |