The high quality China CNS STKM18B material is one of the more steel grades we supply, China Taiwan Structural steel. STKM18B is our main production grade, which has been approved by customers in many countries since its initial production, including our STKM18B 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 STKM18B materials, and we are willing to develop together with customers from all over the world.
Also includes STKM18B steel material norm, chemical composition, mechanical properties, datasheet, STKM18B equivalent, heat treatment and temperature process of STKM18B, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in STKM18B this steel grade have a more comprehensive understanding, Download the full STKM18B PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) |
|---|---|---|---|---|
| Max 0.18 | 0.55 | Max 1.50 | 0.04 | 0.04 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 424 (≥) | 149 (≥) | 12 | 22 | 11 | Solution & Aging, Ann, Ausaging, Q+T | 144 |