ASTM A106 SEAMLESS PIPE

ASTM A106 Seamless Pressure Pipe (also known as ASME SA106 pipe) is commonly used in the construction of oil and gas refineries, power plants, petrochemical plants, boilers, and ships where the piping must transport fluids and gases that exhibit higher temperatures and pressure levels.

You can take a look of our ASTM A53 Seamless Pipe, and then you can decide which type of seamless pipe is better for your construction project.

ASTM A106 Seamless Pipe

Ruijie Steel stocks ASTM A106 Seamless Steel Pipe and  Manufacture in:
  • Grades B and C
  • NPS ¼” to 30” diameter
  • Schedules 10 through 160, STD, XH and XXH
  • Schedules 20 through XXH
  • Wall Thickness beyond XXH, including:
    – Up to 4” wall in 20” through 24” OD
    – Up to 3” wall in 10” through 18” OD
    – Up to 2” wall in 4” through 8” OD

Pipe Applications

Pipe Applications

ASTM A106 Seamless Pressure Pipe covers seamless carbon steel nominal wall pipe for high-temperature service. Suitable for bending, flanging and similar forming operations.

Pipe Processes

Pipe Processes

Killed steel, with primary melting process being open-hearth, basic-oxygen, or electric-furnace, possibly combined with separate degassing or refining.
Steel cast in ingots or strand cast is permissible. Hot-finished pipe need not be heat treated. Cold-drawn pipe shall be heat treated after the final cold draw pass.

Permissible Variations

Thickness & Weight

The minimum wall thickness: not more than 12.5%;Weight of any length shall not vary more than 10% over and 3.5% under that specified.

Hydrostatic Testing

Hydrostatic Testing

Inspection test pressures produce a stress in the pipe wall equal to 60% of specified minimum yield strength (SMYS) at room temperature. Maximum Pressures are not to exceed 2500 psi for NPS3 and must stay under 2800 psi for the larger sizes. Pressure is maintained for not less than 5 seconds.
test

Detailed S/A106 Pipe Specifications

Download our Seamless S/A106 Pipe specification for reference if necessary.
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