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Seamless Carbon Steel Pipe



Stainless steel pipe and carbon steel pipe are the most common type of standard pipe used today. They are part of tubular goods which are manufactured to different specifications and standards. Pipes are sold by "nominal pipe size" in sizes from 1/8" to 72". Two most common types of pipes are welded pipe and seamless pipe. Both are available in carbon steel and stainless steel. Welded pipe is also called ERW (Electric Resistance Welded) pipe. Most common specification for welded carbon steel pipe is A53. Seamless pipe is made by process that requires no welding. Most common specification for seamless carbon steel pipe is A106B. Stainless Steel pipe is made to spec A312. Stainless steel pipe is also available in both seamless and welded configuration. Most common stainless material is 316 and 304.



Generally steel pipe is supplied in 21 ft lengths. It is also available in Single Random Length (SRL) which could be anywhere from 16 ft to 21 ft. Double Random Length (DRL) refers to pipes that is at least 35 ft long and up to 42 ft.



Metal Pipes are available in following material grades;

  • A106B/A53B/API 5L-X42/API 5L B
  • A53 ERW Welded
  • Stainless Steel  304
  • Stainless Steel 316
  • Super Stainless A20
  • Duplex Stainless D2205
  • Nickel Alloy A200
  • Nickel Alloy A400
  • Nickel Alloy A600

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