Screws and bolts
Stainless Steels and Nickel Alloys with a controlled chemical balance for cold heading. A low factor of work hardening provides a longer life of the tools during cold working.
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See the Group Structure
Designations
| Valbruna Grade | Steel type | Commercial name | W.N. | AISI | UNS | EN | BS |
|---|---|---|---|---|---|---|---|
| AISR | Cold Heading | - | 1.4301/1.4307 | 304/304L | S30400/S30403 | X5CrNi18-10/X2CrNi18-9 | 304S15/304S31 |
| AISRU | Cold Heading | - | 1.4567 | 304CU | S30430 | X3CrNiCu18-9-4 | - |
| AISRU/1 | Cold Heading | - | 1.4567 | - | S30430 | X3CrNiCu18-9-4 | 394S17 |
| AISRU/2 | Cold Heading | - | - | 304CU | S30430 | - | 394S17 |
| AISRUB | Cold Heading | - | 1.4560 | - | - | X3CrNiCu19-9-2 | - |
| AISRUH | Cold Heading | - | 1.4567 | 304CU | S30430 | X3CrNiCu18-9-4 | 394S17 |
| APMR | Cold Heading | - | 1.4401 / 1.4404 | 316 / 316L | S31600 / S31603 | X2CrNiMo17-12-2 / X5CrNiMo17-12-2 | 316S14 / 316S19 |
| APMRU | Cold Heading | - | 1.4578 | 316CU | - | X3CrNiCuMo17-11-3-2 | 396S17 |
| X164M | Martensitic Stainless Steel | - | 1.4418 | - | - | X4CrNiMo16-5-1 | - |
| AN5 | Corrosion Resistant Alloys | Alloy 660 / Alloy A286 | 1.4980 | - | S66286 | - | - |
| AV718CRV | Corrosion Resistant Alloys | Alloy 718 | 2.4668 | - | N07718 | - | - |
| AV718HTV | Corrosion Resistant Alloys | Alloy 718 | 2.4668 | - | N07718 | - | - |