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Product Name | ASTM 201 304 316L 310S 409L 420 420j1 420j2 430 431 434 436L 439
304 316 Hot Rolled No.1/2b/Ba/No.4/Brushed/8K Mirror Stainless
Steel Coil Price |
Grade | 201,202,304,304L,309,
309S,310S,316,316L,316Ti,317L,321,347H,409,409L, 410, 410S, 420(420J1, 420J2), 430, 436, 439, 441, 444, 446 etc. |
Brand | TISCO, BAOSTEEL, POSCO, JISCO, LISCO etc. |
Thickness | 0.3-14mm for coil, 0.3-80mm for plate |
Width | 1000mm,1219mm(4feet),1250mm,1500mm,1524mm(5feet), 1800mm,2000mm or as your requirements |
Length | 2000mm,2440mm(8feet),2500mm,3000mm,3048mm(10feet), 5800mm, 6000mm or as your requirements |
Surface | Common: 2B, 2D, HL(Hairline), BA(Bright annealed), No.4 Colored: Gold mirror, Sapphire mirror, Rose mirror, black mirror, bronze mirror; Gold brushed, Sapphire brushed, Rose brushed, black brushed etc. |
Packing & loaidng | Water proof paper+metal pallet+Angle bar protection+steel belt or
as requirements. The inner size of container is below: 20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high) about 24-26CBM,23MTS 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM,27MTS 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM,27MTS |
Payment terms | L/C at sight or 30% TT as deposit and the balance paid against copy
of B/L |
Application | stainless steel coil used for architectural decoration, luxury
doors, elevators decorating, metal tank shell, ship building, decorated inside the train, as well as outdoor works, advertising nameplate, the ceiling and cabinets, aisle panels, screen, the tunnel project, hotels, guest houses, entertainment place, kitchen equipment, light industrial and others.. |
Advantage | Showing the splendor of your quality, wear-resistant as well,
strong corrosion resistance and decorative effect, durable and beautiful in good taste |
Type 439 is an 18% chromium, titanium stabilized ferritic stainless steel with corrosion resistance similar to that of 304/304L stainless steel. This grade may be used in the annealed, cold formed or as-welded condition in applications where other stainless steels such as Type 304/304L and Type 430 are used. Type 439 has good weldability due to titanium stabilization and has excellent resistance to stress corrosion cracking. Type 439 outperforms Type 409 in both oxidation and corrosion resistance and typical applications include tubular manifolds and exhaust system components.
Chemical Composition (wt%) limits as specified in ASTM A240 and ASME SA240*
Element | 439 |
Carbon | 0.030 |
Chromium | 17.0-19.0 |
Nickel | 0.50 |
Manganese | 1.00 |
Silicon | 1.00 |
Nitrogen | 0.030 |
Phosphorus | 0.040 |
Sulfur | 0.030 |
Aluminum | 0.15 |
Titanium | 0.20 +4(C+N) min 1.10 max |
Mechanical property requirements for annealed product as specified in ASTM A240 and ASME SA240
Property | 439 |
Yield Strength, min. (ksi) | 30 |
Tensile Strength, min. (ksi) | 60 |
Elongation, min. (%) | 22 |
Hardness, max. (Rb) | 89 |
Physical properties for Type 439 stainless steel
Property | 439 |
Density, lb/in3 | 0.278 |
Modulus of Elasticity, psi | 29.0 x 106 |
Coefficient of Thermal Expansion, 68-212˚F, /˚F | 5.6 x 10-6 |
Thermal Conductivity, Btu/ft hr ˚F | 14.0 |
Specific Heat, Btu/lb ˚F | 0.11 |
Electrical Resistivity, Microohm-in | 24.8 |
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