The high quality China Q345q C material is one of the more steel grades we supply, Bridge structure with steel. Q345q C is our main production grade, which has been approved by customers in many countries since its initial production, including our Q345q C 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 Q345q C materials, and we are willing to develop together with customers from all over the world.
Also includes Q345q C steel material norm, chemical composition, mechanical properties, datasheet, Q345q C equivalent, heat treatment and temperature process of Q345q C, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in Q345q C this steel grade have a more comprehensive understanding, Download the full Q345q C PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) |
|---|---|---|---|---|
| ≤0.20 | ≤0.60 | 1.00～1.60 | ≤0.035 | ≤0.035 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 741 (≥) | 543 (≥) | 33 | 14 | 33 | Solution & Aging, Ann, Ausaging, Q+T | 443 |