ASTM 304 is equivalent to AISI 304 and UNS S30400. 304 is the most widely used type of chromium-nickel austenitic stainless steel, containing 18-20% chromium and 8-10.5% nickel, which gives it excellent corrosion resistance, good formability, and high temperature strength.
304 stainless steel has the characteristics of good machining performance and high toughness, and is widely used in industrial pipelines such as petroleum, chemical, medical, food, light industry, mechanical instruments and equipment, as well as mechanical structural components, etc.
ASTM 304 Stainless Steel Pipe Specification
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Standard |
GB, ASTM, JIS, DIN, etc |
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Grade |
201（J1,J2,J3,J4,J5） 304, 304L, 316, 316L, 430, etc |
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Outer Diameter |
8.00mm-508mm |
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Wall thickness |
0.30mm-30.0mm |
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Length |
max.12000mm or as demand |
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Surface finish |
Polishing (180#,220#,240#,320#400#,600#), Hairline, Aid Pickling, Inside weld leveling, Online bright heat) |
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Manufacture technology |
cold drawn/cold rolled/hot rolled |
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Type |
Seamless & Welded |
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Certification |
ISO,BV,SGS,etc |
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