304 seamless pipe has no welds and is a pipe made of 304 stainless steel with the advantages of seamless construction, making it stronger and more reliable. The seamless construction also allows the 304 pipe to withstand higher pressures and temperatures, making it ideal for high-performance applications.
304 stainless steel is a commonly used grade of stainless steel with excellent corrosion and heat resistance,mainly copmosed of 18% chromium and 8% nickel, and has good corrosion resistance. Due to its high chromium content, 304 stainless steel has excellent corrosion resistance and has good resistance to common corrosive media such as acids, alkalis, salts, etc.
304 SS Seamless Tubing Specification
Size:1 / 8″ NB – 24″ NB
Standard:ASTM, ASME,JIS,EN,DIN,etc
Grade:304, 316, 321, 321Ti, 420, 430, 446, 904L, 2205, 2507,etc
Technique: Hot-rolled, cold-drawn
Length:5.8M,6M,or as request
Outer Diameter: 6.00 mm-914.4 mm,Sizes up to 24'' NB
Thickness:0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Schedule: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Form:Round, Square, Rectangle, Hydraulic, Honed Tubes
End:Plain End, Beveled End, Treaded
304 Seamless Tube Customized Service
304 SS Seamless Tubing Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | - | 8 – 11 | - |
SS 304 Seamless Pipe Tolerance
| 304 Stainless Steel Pipe OD | ASTM A312 TP304 Pipe Tolerance |
| 4-35mm | ±0.08mm |
| 35-38mm | ±0.15mm |
| 38-60mm | ±0.20mm |
| ≥60 | ±0.25mm |
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