The high quality France AFNOR Z20CN21-12Az material is one of the more steel grades we supply, Steel Exhaust Valves. 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.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.15-0.25 | 0.70-1.30 | 1.00-1.50 | Max 0.040 | Max 0.030 | 20.0-22.0 | 10.5-12.5 |
| N(%) | ||||||
| 0.15-0.25 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 684 (≥) | 548 (≥) | 24 | 41 | 23 | Solution & Aging, Ann, Ausaging, Q+T | 434 |