400 series stainless steel pipe is used widely, The 400 series stainless steel is an alloy of iron, carbon alloy chromium. It has high resistance to oxidation at high temperature, If you are looking for 400 series stainless steel or high temperature resistant steel material, BOLAIBAO is your best choice. With the strength of good quality, competitive price, good after-sale service, we have been cooperating with many famous companies, such as the Allegheny Ludlum, ThyssenKrupp VDM etc. Sincerely hope we can buld a positive cooperation relationship with each other.
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. |
What Makes Us Unique?
1. We have professional production line.
2. We have professional certification and test report.
3. We have large amount of stock.
