The high quality China GBT U21402 material is one of the more steel grades we supply, China structural steel and alloy steel. U21402 is our main production grade, which has been approved by customers in many countries since its initial production, including our U21402 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 U21402 materials, and we are willing to develop together with customers from all over the world.
Also includes U21402 steel material norm, chemical composition, mechanical properties, datasheet, U21402 equivalent, heat treatment and temperature process of U21402, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in U21402 this steel grade have a more comprehensive understanding, Download the full U21402 PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.37-0.44 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | 0.25 | 0.3 |
| Cu(%) | ||||||
| 0.25 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 595 (≥) | 866 (≥) | 23 | 42 | 43 | Solution & Aging, Ann, Ausaging, Q+T | 411 |