B.S. S.531
2014-03-03 17:24:40 Print this pageThe high quality UK B.S. S.531 material is one of the more steel grades we supply, B.S. BS S 531,Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (niobium stabilized: 54 hbar) (elevated temperature properties not verified). S.531 is our main production grade, which has been approved by customers in many countries since its initial production, including our S.531 round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of S.531 materials, and we are willing to develop together with customers from all over the world.
Also includes S.531 steel material norm, chemical composition, mechanical properties, datasheet, S.531 equivalent, heat treatment and temperature process of S.531, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in S.531 this steel grade have a more comprehensive understanding, Download the full S.531 PDF version of this datasheet.
Chemical composition (wt.%) of S.531
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.12 |
| Si | 0.20 | 1.00 |
| Mn | 0.50 | 2.00 |
| P | - | 0.035 |
| S | - | 0.025 |
| Cr | 23.00 | 26.00 |
| Ni | 16.00 | 19.00 |
| Mo | - | - |
| Nb | 10×C | 1.40 |
Mechanical Properties of S.531
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 835 (≥) | 365 (≥) | 13 | 41 | 13 | Solution & Aging, Ann, Ausaging, Q+T | 121 |