409,409L,410,410S,420,420J2,430 Stainless Steel

409,409L,410,410S,420,420J2,430 Stainless Steel
409,409L,410,410S,420,420J2,430 Stainless Steel
Features

This heat resistant alloy is a single-phase austenite and solid solution strengthening alloy. Under 800℃, it has medium strength and thermal fatigue resistance. It maintains good anti-oxidation properties and longtime use stability under 1000℃.Meanwhile, it suitable for cold forming and welding.

Specifications
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
Specifications of 420 and 420J2 hardened tempered stainless steel
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 -
Mechanical 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 tools, measuring tools, 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.
  • Applications
    • Aircraft engine components and afterburner components
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