ASTM A106 GR.B SEAMLESS PIPE

Commodity name： ASTM A106 GR.B SEAMLESS PIPE

subcategory：

Seamless Pipe

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ASTM A106 Carbon Steel Pipe

ASTM A106 / ASME SA106 pipes are seamless carbon steel pipes used for high tempertaure applications (up to 750 degrees F). These pipes are widely used in the oil & gas, petrochemical, power generation and ship-building industries (examples: refineries, downstream plants, vessels. boilers and towers). A106 pipes are particulary suited whenever the trasported fluid has either high temperature or high pressure (or both combined).

ASTM A106 / SA106 pipes are available in size range from 1/2 to 28 inches, and in pipe schedules from 10 to 160. These pipes are supplied either in single random lenght (17-24') or double random lenght (36 -44').

In terms of material grades, A106 pipes are manufactured in grade A, B and C. NPS 1-1/2? and below are available in the hot finished or by cold drawn type. Pipes of NPS 2 inch and above are generally are hot rolled manufatured. A106 pipes are produced out of killed steel. The chemical composition and Machanical Property of the three grades of ASTM A106 is shown in the following table:

Chemical composition:

Chemical composition, %
Element	C	Mn	P	S	Si	Cr	Cu	Mo	Ni	V
max	max	max	min	max	max	max	max	max
A106 Grade A	0.25	0.27-0.93	0.035	0.035	0.10	0.40	0.40	0.15	0.40	0.08
A106 Grade B	0.30	0.29-1.06	0.035	0.035	0.10	0.40	0.40	0.15	0.40	0.08
A106 Grade C	0.35	0.29-1.06	0.035	0.035	0.10	0.40	0.40	0.15	0.40	0.08

Machanical Property:

ASTM A106 pipe	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

Hdrostatic Test of A106 pipes:

The hydrotest shall apply a pressure equal to 60% of the minimum yield strenght for at least 5 seconds at atmospheric conditions. The maximum pressure shall not exceed 2500 psi for pipes up to 3 inches, and 2800 for larger sizes. If additional, non standard, tests are executed, the pipe shall bear an "S" mark on each lenght or pipe bundle.

Pipe marking:Each lenght of pipe (or bundle for smaller diameters) shall have the following markings applied:

Manufacturer name

Material grade(ASTM A106 A / B / C )

Diameter and ANSI schedule (from 10 to 160 and XXS)

Pipe lenght

Heat number

Hydrostatic test pressure or NDE

Weight / foot

Core Advantage

Brisk Steel Group is rooted in a culture of "technology as the backbone, quality as the soul, and customers as the heart." Through relentless innovation, global expansion, and a commitment to responsibility, we strive to become a trusted global partner and a technological benchmark in the steel manufacturing industry.

Craftsmanship with Precision

We adhere to a rigorous quality control system that spans the entire production process—from raw material procurement and manufacturing to product delivery—ensuring the highest standards of excellence.

Innovation-Driven Technological Leadership

We prioritize R&D and technological advancement, integrating cutting-edge production lines (e.g., JCOE large-diameter LSAW pipe production) and expert teams from countries like Germany and the Netherlands to maintain our position at the forefront of the industry.

Globalization and Open Collaboration

Actively engaging in the global supply chain, we have obtained international certifications such as CE marking, enabling our products and services to reach worldwide markets.

Professional Team and Talent Empowerment

We value the recruitment and development of technical talent, building an international and professional team that drives continuous growth.

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