What is A 106 B grade carbon steel pipe?

GR SA 106 Gr B is used for high temperature service and might not require impact test.

ASTM A106 Seamless Pipe

ASTM A106 / A106M is the specification covers carbon steel pipe for high-temperature service.

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 gasses that exhibit higher temperatures and pressure levels.
Sunny Steel Piping stocks a full range of ASTM A106 / A106M in:
Grades B and C
NPS 1/4inch to 30inch diameter
Schedules 10 through 160, STD, XH and XXH
Schedules 20 through XXH
Wall Thickness beyond XXH, including:
- Up to 4inch wall in 20inch through 24inch OD
- Up to 3inch wall in 10inch through 18inch OD
- Up to 2inch wall in 4inch through 8inch OD
Note:
DN — Nominal Diameter
NPS —Nominal Pipe Size

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