Specification
| Grade | 409, 409L, 410,410S,430 |
| Standard | ASTM240 |
| Diameter | As customers requirement |
| Length | 1000mm-8000mm or as customers’ request |
| Surface finish | NO1,No.4,2B, BA, 6K, 8K, Hair Line with PVC |
Chemical Composition
| Grade | C | Si | Mn | P≤ | S≤ | Cr | Mo | Ni | Other |
| 409 | ≤0.03 | ≤1.00 | ≤1.00 | 0.04 | 0.03 | 10.5-11.7 | – | ≤0.6 | Ti=6×C%~0.75 |
| 410 | ≤0.15 | ≤1.00 | ≤1.00 | 0.04 | 0.03 | 11.5-13.5 | – | – | – |
| 410S | ≤0.08 | ≤1.00 | ≤1.00 | 0.04 | 0.03 | 11.5-13.5 | – | – | – |
| 420 | ≤0.15 | ≤1.00 | ≤1.00 | 0.04 | 0.03 | 12.0-14.0 | – | – | – |
| 430 | ≤0.12 | ≤0.75 | ≤1.00 | 0.04 | 0.03 | 16-18 | – | ≤0.4 | – |
Mechanical Properties
| Grade | YS(Mpa) ≥ | TS (Mpa) ≥ | El (%) ≥ | Hardness(HV) ≤ |
| 409 | 175 | 360 | 20 | 150 |
| 410 | 200 | 440 | 20 | 145 |
| 410S | 200 | 410 | 20 | 145 |
| 430 | 200 | 450 | 25 | 145 |
| Grade | Application |
| 409 | Automobile exhaust pipe, silencer |
| 410 | Flat springs, knives, kitchen utensils and hand tools |
| 420 | Cutting tool, measuring tool, dental and surgical instruments, pump shafts, plastic molds and dies, steel balls, scissors, gear shafts,cams, pivots, Lens molds |
| 430 | Sinks, sink rims, appliance trim, counter tops, dish washers, range hoods, flatware, architectural uses, roofing, siding and restaurant equipment. |
Application
Aerospace
Metal Service Centers
Nuclear
Marine/Shipbuilding
Chemical Processing
Oil & Gas
Food Service/Restaurant
Motorsports
Government/Military
Pumps & Valves
Machined Fabricated Components
Power Distribution
Fabricator
