SAE A 249 S20910
2013-10-25 10:00:39 Print this pageThe high quality USA SAE A 249 S20910 material is one of the more steel grades we supply, SAE A 249/A 249M (2010),Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes. A 249 S20910 is our main production grade, which has been approved by customers in many countries since its initial production, including our A 249 S20910 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 A 249 S20910 materials, and we are willing to develop together with customers from all over the world.
Also includes A 249 S20910 steel material norm, chemical composition, mechanical properties, datasheet, A 249 S20910 equivalent, heat treatment and temperature process of A 249 S20910, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in A 249 S20910 this steel grade have a more comprehensive understanding, Download the full A 249 S20910 PDF version of this datasheet.
Chemical composition (wt.%) of A 249 S20910
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.06 |
| Mn | 4.00 | 6.00 |
| Si | - | 1.00 |
| P | - | 0.04 |
| S | - | 0.03 |
| Cr | 20.50 | 23.50 |
| Ni | 11.50 | 13.50 |
| Mo | 1.50 | 3.00 |
| N | 0.20 | 0.40 |
| Nb | 0.10 | 0.30 |
| V | 0.10 | 0.30 |
Mechanical Properties of A 249 S20910
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 755 (≥) | 268 (≥) | 32 | 34 | 44 | Solution & Aging, Ann, Ausaging, Q+T | 231 |