ISO ISO 21
2014-03-03 17:24:40 Print this pageThe high quality International ISO ISO 21 material is one of the more steel grades we supply, ISO ISO 15510 (2010), ISO ISO 16143-1 (2004), ISO ISO 16143-2 (2004), ISO ISO 16143-3 (2005), ISO ISO 9328-7 (2011), ISO ISO/TS 15510 (2003),Stainless steels - Chemical composition. ISO 21 is our main production grade, which has been approved by customers in many countries since its initial production, including our ISO 21 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 ISO 21 materials, and we are willing to develop together with customers from all over the world.
Also includes ISO 21 steel material norm, chemical composition, mechanical properties, datasheet, ISO 21 equivalent, heat treatment and temperature process of ISO 21, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in ISO 21 this steel grade have a more comprehensive understanding, Download the full ISO 21 PDF version of this datasheet.
Chemical composition (wt.%) of ISO 21
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.08 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.045 |
| S | - | 0.030 |
| Cr | 16.50 | 18.50 |
| Ni | 10.50 | 13.50 |
| Mo | 2.00 | 2.50 |
| N | - | - |
| Ti | 5×C％ | 0.60 |
Mechanical Properties of ISO 21
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 712 (≥) | 336 (≥) | 32 | 22 | 22 | Solution & Aging, Ann, Ausaging, Q+T | 342 |