Stainless Steel Round Tube
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Material
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200, 300, 400 series，ASTM A312 / 213 / 249 / 269 / 270 / 358 Tp 304 / 304L / 304H / 316 / 316L / 317 / 317L / 321 / 310 / 347 / 904L etc.
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Size(round pipe)
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9.5, 12.7, 15.9, 17, 18, 19.1, 20, 21, 22.2, 23, 25.4, 28, 31.8, 35, 60, 63.5, 73, 76.2, 88.9, 101.6, 114.3, 127, 133, 159,168, 219 mm
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Size(square pipe)
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10×10,12×12,18×18,23×23,38×38,50×50,70×70,100×100,20×10,23×10,24×12,25×13,36×23,40×20,50×20,60×15,75×45,80×60,95×45,100×60,150×100 mm
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Size (oval pipe)
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30×15,80×40 mmor customized
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Thickness
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0.01-3 mm
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Length
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6m or according to customer’s request
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Outer diameter
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8-219mm
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Tolerance
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Outer diameter :±0.2mm
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Thickness :±0.02mm
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Length :±0.5mm
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Process method
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Code drawn,annealed with nitrogen protection, ultrasonic,automatic shape, polished
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Tolerance
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a) Outer Diameter: +/- 0.2mm
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b) Thickness: +/- 0.02mm
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c) Length: +/- 5mm
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Surface Finish
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NO.1
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The surface is finished by heat treatment and pickling or processes corresponding there to after hot rolling
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2D
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The finishes after cold rolling, by heat treatment, pickling or other equivalent treatment
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2B
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The finishes after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to give an appropriate luster
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BA
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Cold rolled, bright annealed and skin-passed, the product have excellent brightness and good reflexivity like mirror
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NO.3
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Polished with abrasive belt of grit#100~#200,have better brightness with discontinuous coarse stria
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NO.4
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Polished with abrasive belt of grit#150~#180,have better brightness with discontinuous coarse stria
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HL
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Polished with abrasive belt of grit#150~#320,have better brightness with discontinuous coarse stria
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8K
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The product have excellent brightness and perfect reflexivity, can be the mirror
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