JIS SUS 309 STB
2014-01-06 15:29:12 Print this pageThe high quality Japan JIS SUS 309 STB material is one of the more steel grades we supply, JIS G 3463 (2012),Stainless steel boiler and heat exchanger tubes. SUS 309 STB is our main production grade, which has been approved by customers in many countries since its initial production, including our SUS 309 STB 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 SUS 309 STB materials, and we are willing to develop together with customers from all over the world.
Also includes SUS 309 STB steel material norm, chemical composition, mechanical properties, datasheet, SUS 309 STB equivalent, heat treatment and temperature process of SUS 309 STB, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SUS 309 STB this steel grade have a more comprehensive understanding, Download the full SUS 309 STB PDF version of this datasheet.
Chemical composition (wt.%) of SUS 309 STB
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.08 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.045 |
| S | - | 0.03 |
| Cr | 22.00 | 24.00 |
| Ni | 12.00 | 15.00 |
| Mo | - | - |
| N | - | - |
Mechanical Properties of SUS 309 STB
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 412 (≥) | 476 (≥) | 41 | 43 | 21 | Solution & Aging, Ann, Ausaging, Q+T | 332 |