B.S. 321S51 520
2014-03-03 17:24:40 Print this pageThe high quality UK B.S. 321S51 520 material is one of the more steel grades we supply, B.S. BS 1506,Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications. 321S51 520 is our main production grade, which has been approved by customers in many countries since its initial production, including our 321S51 520 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 321S51 520 materials, and we are willing to develop together with customers from all over the world.
Also includes 321S51 520 steel material norm, chemical composition, mechanical properties, datasheet, 321S51 520 equivalent, heat treatment and temperature process of 321S51 520, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 321S51 520 this steel grade have a more comprehensive understanding, Download the full 321S51 520 PDF version of this datasheet.
Chemical composition (wt.%) of 321S51 520
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.04 | 0.10 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.045 |
| S | - | 0.025 |
| Cr | 17.00 | 19.00 |
| Mo | - | - |
| Ni | 9.00 | 12.00 |
| Ti | - | 0.80 |
Mechanical Properties of 321S51 520
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 339 (≥) | 427 (≥) | 42 | 23 | 41 | Solution & Aging, Ann, Ausaging, Q+T | 444 |