UNS 303 Pb
2013-06-25 20:29:49 Print this pageThe high quality USA UNS 303 Pb material is one of the more steel grades we supply, UNS SAE AMS 5635F (2006) , UNS SAE J 405 (1998) ,Steel, Corrosion-Resistant, Bars, Wire, and Forgings 18Cr - 9Ni - 0.21Pb (303Pb) Free-Machining, Solution Heat Treated. 303 Pb is our main production grade, which has been approved by customers in many countries since its initial production, including our 303 Pb 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 303 Pb materials, and we are willing to develop together with customers from all over the world.
Also includes 303 Pb steel material norm, chemical composition, mechanical properties, datasheet, 303 Pb equivalent, heat treatment and temperature process of 303 Pb, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 303 Pb this steel grade have a more comprehensive understanding, Download the full 303 Pb PDF version of this datasheet.
Chemical composition (wt.%) of 303 Pb
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.15 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.04 |
| S | 0.12 | 0.25 |
| Cr | 17.0 | 19.0 |
| Ni | 8.00 | 10.0 |
| Mo | - | 0.60 |
| Pb | 0.12 | 0.30 |
Mechanical Properties of 303 Pb
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 417 (≥) | 188 (≥) | 14 | 21 | 43 | Solution & Aging, Ann, Ausaging, Q+T | 441 |