pressure ratings of steel pipe ASTM A53 grade B A106 grade B seamless

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.

ASTM A106 Seamless Pressure Pipe (also known as ASME SA106 pipe) covers seamless carbon steel nominal wall pipe for high-temperature service. Suitable for bending, flanging and similar forming operations.

NPS 1-1/2″ and under may be either hot finished or cold drawn. NPS 2″ and larger shall be hot finished unless otherwise specified.

Chemical Requirements

Grade A Grade B Grade C
Carbon max. % 0.25 0.30 0.35
*Manganese % 0.27 to 0.93 *0.29 to 1.06 0.29 to 1.06
Phosphorous, max. % 0.035 0.035 0.035
Sulfur, max. % 0.035 0.035 0.035
Silicon, min.% 0.10 0.10 0.10
Chrome, max. % 0.40 0.40 0.40
Copper, max. % 0.40 0.40 0.40
Molybdenum, max. % 0.15 0.15 0.15
Nickel, max. % 0.40 0.40 0.40
Vanadium, max.% 0.08 0.08 0.08
Total of Cr, Cu, Mo, Ni, and V shall not exceed 1%

standards: ASTM A106 (ASME SA106)
products mainly used: apply to bending, curling and similar forming process.
the main products of steel / steel grade: Gr.A; Gr.B; Gr.C.
Specifications: diameter: 10.3 to 114.3 mm thickness: 0.8 to 12 mm
Length: 6 m above, and, in accordance with customer demand
supply and other specifications of steel pipe.
chemical composition and mechanical properties

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