AFNOR Z20CN21-12Az
2014-03-03 17:24:40 Print this pageThe high quality France AFNOR Z20CN21-12Az material is one of the more steel grades we supply, AFNOR NF A 35-579,Valve steels and alloys for internal combustion engines. Z20CN21-12Az is our main production grade, which has been approved by customers in many countries since its initial production, including our Z20CN21-12Az 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 Z20CN21-12Az materials, and we are willing to develop together with customers from all over the world.
Also includes Z20CN21-12Az steel material norm, chemical composition, mechanical properties, datasheet, Z20CN21-12Az equivalent, heat treatment and temperature process of Z20CN21-12Az, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in Z20CN21-12Az this steel grade have a more comprehensive understanding, Download the full Z20CN21-12Az PDF version of this datasheet.
Chemical composition (wt.%) of Z20CN21-12Az
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.15 | 0.25 |
| Si | 0.70 | 1.30 |
| Mn | 1.00 | 1.50 |
| P | - | 0.040 |
| S | - | 0.030 |
| Cr | 20.00 | 22.00 |
| Ni | 10.50 | 12.50 |
| Mo | - | - |
| N | 0.15 | 0.25 |
Mechanical Properties of Z20CN21-12Az
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 864 (≥) | 612 (≥) | 43 | 22 | 42 | Solution & Aging, Ann, Ausaging, Q+T | 333 |