EN 1.4903
2016-04-08 22:07:27 Print this pageThe high quality European EN 1.4903 material is one of the more steel grades we supply, EN EN 10302: 2008, EN EN 10028-2: 2009, EN EN 10222-2: 2000, EN EN 10216-2: 2014, EN EN 10253-2: 2007, EN EN 10088-1: 2005,Alloy special martensitic creep-resisting steel. 1.4903 is our main production grade, which has been approved by customers in many countries since its initial production, including our 1.4903 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 1.4903 materials, and we are willing to develop together with customers from all over the world.
Also includes 1.4903 steel material norm, chemical composition, mechanical properties, datasheet, 1.4903 equivalent, heat treatment and temperature process of 1.4903, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 1.4903 this steel grade have a more comprehensive understanding, Download the full 1.4903 PDF version of this datasheet.
Chemical composition (wt.%) of 1.4903
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.08 | 0.12 |
| Si | - | 0.5 |
| Mn | 0.3 | 0.6 |
| Ni | - | 0.4 |
| P | - | 0.025 |
| S | - | 0.015 |
| Cr | 8.0 | 9.5 |
| Mo | 0.85 | 1.05 |
| V | 0.18 | 0.25 |
| N | 0.03 | 0.07 |
| Nb | 0.06 | 0.10 |
| Al | - | 0.03 |
Mechanical Properties of 1.4903
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 462 (≥) | 637 (≥) | 32 | 41 | 42 | Solution & Aging, Ann, Ausaging, Q+T | 113 |