409,409L,410 ,410S,420,420J2,430 stainles steel pipe
Description
400 series stainless steel pipe is used widely, The 400 series stainless steel is an alloy of iron, carbon alloy chromium.
Specification
| Grade | 409,409L,410 ,410S,430 |
| Standard | ASTM A240 |
| Thickness | 0.2-10.0mm |
| Width | 600mm min |
| Length | 2000mm-8000mm or as customers’ request |
| Surface finish | NO1,No.4,2B, BA, 6K, 8K, Hair Line with PVC |
Specification of 420 and 420J2 hardened tempered stainless
| Grade | 420 ,420J2 hardened tempered stainless |
| Standard | ASTM A240, JIS G4304, G4305, GB/T 4237, GB/T 8165, BS 1449, DIN17460, |
| Thickness | 0.1-1.0mm |
| Width | 5.56mm,6mm,7.2mm,11mm,107mm,118mm,185mm |
| Length | 2000mm-8000mm or as customers’ request |
| Hardness | HV500-560 |
| Surface finish | Bright |
| Camber | 1.2mm/1mm |
| Curl | Max 15mm/1mm |
| Chemical Comproperties | C:0.26-0.4% Aim:0.3%Cr:12-14% Aim:13% |
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 | - |
Machenical performance
| 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 |
Application
| 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. |
400 series stainless steel can be used in these industries
