The high quality France AFNOR Z12CKNDWNb21-20-20 material is one of the more steel grades we supply, Steel Exhaust Valves. Z12CKNDWNb21-20-20 is our main production grade, which has been approved by customers in many countries since its initial production, including our Z12CKNDWNb21-20-20 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 Z12CKNDWNb21-20-20 materials, and we are willing to develop together with customers from all over the world.
Also includes Z12CKNDWNb21-20-20 steel material norm, chemical composition, mechanical properties, datasheet, Z12CKNDWNb21-20-20 equivalent, heat treatment and temperature process of Z12CKNDWNb21-20-20, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in Z12CKNDWNb21-20-20 this steel grade have a more comprehensive understanding, Download the full Z12CKNDWNb21-20-20 PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | W(%) |
|---|---|---|---|---|---|---|---|---|
| 0.08-0.16 | Max 1.00 | 1.00-2.00 | Max 0.040 | Max 0.030 | 20.0-22.5 | 19.0-21.0 | 2.50-3.50 | 2.00-3.00 |
| N(%) | Co(%) | Nb(%) | ||||||
| 0.10-0.20 | 18.5-21.0 | 0.75-1.25 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 997 (≥) | 587 (≥) | 43 | 23 | 41 | Solution & Aging, Ann, Ausaging, Q+T | 112 |