JIS SUH 309
2014-01-06 15:29:12 Print this pageThe high quality Japan JIS SUH 309 material is one of the more steel grades we supply, JIS G 4311 (2011),Heat-resisting steel bars and wire rods. SUH 309 is our main production grade, which has been approved by customers in many countries since its initial production, including our SUH 309 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 SUH 309 materials, and we are willing to develop together with customers from all over the world.
Also includes SUH 309 steel material norm, chemical composition, mechanical properties, datasheet, SUH 309 equivalent, heat treatment and temperature process of SUH 309, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SUH 309 this steel grade have a more comprehensive understanding, Download the full SUH 309 PDF version of this datasheet.
Chemical composition (wt.%) of SUH 309
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.35 | 0.45 |
| Si | 1.80 | 2.50 |
| Mn | - | 0.60 |
| P | - | 0.03 |
| S | - | 0.03 |
| Cr | 10.00 | 12.00 |
| Ni | - | 0.60 |
| Mo | 0.70 | 1.30 |
Mechanical Properties of SUH 309
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 628 (≥) | 112 (≥) | 14 | 42 | 44 | Solution & Aging, Ann, Ausaging, Q+T | 123 |