KS STS309STB
2014-03-03 17:24:40 Print this pageThe high quality Korea KS STS309STB material is one of the more steel grades we supply, KS D 3577 (2007),Stainless steel for boiler and heat exchanger tubes. STS309STB is our main production grade, which has been approved by customers in many countries since its initial production, including our STS309STB 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 STS309STB materials, and we are willing to develop together with customers from all over the world.
Also includes STS309STB steel material norm, chemical composition, mechanical properties, datasheet, STS309STB equivalent, heat treatment and temperature process of STS309STB, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in STS309STB this steel grade have a more comprehensive understanding, Download the full STS309STB PDF version of this datasheet.
Chemical composition (wt.%) of STS309STB
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.08 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.045 |
| S | - | 0.030 |
| Cr | 22.00 | 24.00 |
| Ni | 12.00 | 15.00 |
| Mo | - | - |
| N | - | - |
Mechanical Properties of STS309STB
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 965 (≥) | 153 (≥) | 32 | 24 | 31 | Solution & Aging, Ann, Ausaging, Q+T | 421 |