The high quality France AFNOR NC20TA material is one of the more steel grades we supply, Steel Exhaust Valves. NC20TA is our main production grade, which has been approved by customers in many countries since its initial production, including our NC20TA 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 NC20TA materials, and we are willing to develop together with customers from all over the world.
Also includes NC20TA steel material norm, chemical composition, mechanical properties, datasheet, NC20TA equivalent, heat treatment and temperature process of NC20TA, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in NC20TA this steel grade have a more comprehensive understanding, Download the full NC20TA PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.04-0.10 | Max 1.00 | Max 1.00 | Max 0.020 | Max 0.015 | 18.0-21.0 | Remain |
| Cu(%) | Co(%) | B(%) | Al(%) | Ti(%) | Other(%) | |
| Max 0.20 | Max 2.00 | Max 0.008 | 1.00-1.80 | 1.80-2.70 | Fe Max 3.00 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 866 (≥) | 663 (≥) | 22 | 42 | 14 | Solution & Aging, Ann, Ausaging, Q+T | 433 |