SAE A 249 S30940
2013-07-19 14:49:24 Print this pageThe high quality USA SAE A 249 S30940 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 S30940 is our main production grade, which has been approved by customers in many countries since its initial production, including our A 249 S30940 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 S30940 materials, and we are willing to develop together with customers from all over the world.
Also includes A 249 S30940 steel material norm, chemical composition, mechanical properties, datasheet, A 249 S30940 equivalent, heat treatment and temperature process of A 249 S30940, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in A 249 S30940 this steel grade have a more comprehensive understanding, Download the full A 249 S30940 PDF version of this datasheet.
Chemical composition (wt.%) of A 249 S30940
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.08 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.04 |
| S | - | 0.03 |
| Cr | 22.0 | 24.0 |
| Ni | 12.0 | 16.0 |
| Nb+Ta | - | 1.10 |
Mechanical Properties of A 249 S30940
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 959 (≥) | 427 (≥) | 21 | 21 | 42 | Solution & Aging, Ann, Ausaging, Q+T | 341 |