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ASTM A/SA106 Gr.B Carbon Steel Seamless Pressure Pipe

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ASTM A/SA106 Gr.B Carbon Steel Seamless Pressure Pipe
ASTM A106 Grade B seamless pressure pipe (also known as ASME SA106 pipe) is designed for seamless carbon steel nominal wall pipe used in high-temperature service. Suitable for bending, flanging, and similar forming operations, A106 pipes and tubes are the best choice grade for both general and special piping applications.

These A106 Grade B seamless pipes and tubes convey oil, steam, water, gas, and air at low, medium, or high pressures and temperatures. Additionally, they are used in fire protection systems, civil engineering, architecture and other structures, shipyards, oil fields, and gas fields.

 

Chemical Requirements

Grade A

Grade B

Grade C

Carbon max. %

0.25

0.3

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.%

0.1

0.1

0.1

Chrome, max. %

0.4

0.4

0.4

Copper, max. %

0.4

0.4

0.4

Molybdenum, max. %

0.15

0.15

0.15

Nickel, max. %

0.4

0.4

0.4

Vanadium, max.%

0.08

0.08

0.08

Tensile Requirements

Seamless

Grade A

Grade B

Grade C

Tensile Strength, min., psi

48,000

60,000

70,000

Yield Strength, min., psi

30,000

35,000

40,000

Mechanical Tests Specified

Tensile Test — NPS 8 and larger — either transverse or longitudinal acceptable Smaller than NPS 8 — weighed in lots. Larger sizes — by length. Flattening Test — NPS 2-1/2 and larger. Bending Test (Cold) — NPS 2 and under.

Degree of Bend

Diameter of Mandrel

For Normal A106 Uses

90

12 x nom dia. of pipe

For Close Coiling

180

8 x nom dia. of pipe

This high-quality ASTM A106 Gr B pipe delivers reliable performance for high-temperature pressure applications. Manufactured to meet both ASME SA106 and ASTM standards, this seamless pressure pipe ensures excellent strength and durability in demanding service conditions. The ASTM A106 Gr B pipe specification guarantees consistent material properties and dimensional accuracy for various industrial applications. Suitable for power generation, refinery, and industrial piping systems, this robust ASME SA106 compliant pipe offers superior pressure containment and long-term reliability. The seamless construction of this ASTM A106 Gr B pipe provides enhanced safety and performance where high-temperature service and pressure integrity are essential requirements.

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