Description 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, BOZHONG Metal group 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. 400 series stainless steel can be used in these industries