Name
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Stainless steel special-shaped tube
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Standard
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ASTM A554,A249,A269 and A270,A312
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Material Grade
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201 ( Ni 1.2%), 202 (Ni 3.5%~4.5%),
301(Ni 5%) 304 (Ni 8%, Cr 18%), 316 (Ni 10%, Cr 18%), 316L (Ni10%~14%), 430 |
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Outer Diameter
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6mm--159mm
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Thickness
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0.25mm - 3.5mm
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Length
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6m or as customer's request
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Tolerance
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a) Outer diameter: +/- 0.2mm b) Thickness: +/- 0.02mm
c) Length: +/- 5mm |
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Surface
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180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish
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Application
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Decoration,handrail,balustrade
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Test
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Squash test,extended test,water pressure test,crystal rot test,heat treatment,NDT
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Chemical Composition of Material
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Material
Composition |
201
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202
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304
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316
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430
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C
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≤0.15
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≤0.15
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≤0.08
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≤0.08
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≤0.12
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Si
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≤1.00
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≤1.00
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≤1.00
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≤1.00
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≤1.00
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Mn
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5.5-7.5
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7.5-10
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≤2.00
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≤2.00
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≤1.00
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P
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≤0.06
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≤0.06
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≤0.045
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≤0.045
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≤0.040
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S
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≤0.03
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≤0.03
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≤0.030
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≤0.030
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≤0.030
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Cr
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16-18
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17-19
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18-20
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16-18
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16-18
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N
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3.5-5.5
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4-6
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8-10.5
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10-14
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Mo
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|
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2.0-3.0
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Mechanical Property
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Material Item
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201
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202
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304
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316
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Tensile Strength
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≥535
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≥520
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≥520
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≥520
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Yield Strength
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≥245
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≥205
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≥205
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≥205
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Extension
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≥30%
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≥30%
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≥35%
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≥35%
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Hardness (HV)
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<253
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<253
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<200
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<200
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