AMS SA 249 S30940
2013-07-19 14:49:24 Print this pageThe high quality USA AMS SA 249 S30940 material is one of the more steel grades we supply, AMS SA-249/SA-249M ,Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes. SA 249 S30940 is our main production grade, which has been approved by customers in many countries since its initial production, including our SA 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 SA 249 S30940 materials, and we are willing to develop together with customers from all over the world.
Also includes SA 249 S30940 steel material norm, chemical composition, mechanical properties, datasheet, SA 249 S30940 equivalent, heat treatment and temperature process of SA 249 S30940, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SA 249 S30940 this steel grade have a more comprehensive understanding, Download the full SA 249 S30940 PDF version of this datasheet.
Chemical composition (wt.%) of SA 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 SA 249 S30940
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 538 (≥) | 699 (≥) | 31 | 24 | 23 | Solution & Aging, Ann, Ausaging, Q+T | 131 |