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ASTM A106 Gr B Pipe Specification

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Last update:
2024-02-08 10:03
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GNEE (Tianjin) Multinational Trade Co.,Ltd

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A106 Gr B carbon steel pipe

is a carbon steel piping material that is commonly used to manufacture piping components in oil and gas refineries, power plants, boilers, and the transportation of high-pressure and high-temperature fluids and gases.

A106 is divided into three grades, namely Grade A, Grade B and Grade C, each grade has different chemical composition and mechanical properties. Grade A is generally used for higher temperature and pressure applications, while Grade C is used for lower temperature and pressure applications.

A106 Gr B carbon steel pipe has good mechanical properties and corrosion resistance. It is commonly used to manufacture pipeline components that need to withstand high temperatures and pressures, such as oil and gas refineries, power plants, and high-pressure fluid transportation pipelines.

A106 Gr B pipe material is often surface treated to enhance its corrosion resistance and service life. This zinc coating can effectively protect pipes from corrosion and oxidation, thereby extending their service life. In addition, A106 Gr B seamless steel pipe can also undergo other processing operations, such as bending, flanging, etc., to meet the needs of different applications.

A106 Seamless Pipe Mechanical Properties

Seamless	Grade B	Grade A	Grade C
Yield Strength, min., psi	35,000	30,000	40,000
Tensile Strength, min., psi	60,000	48,000	70,000

A106b Pipe Chemical Composition

Â	Grade B	Grade A	Grade C
Manganese %	0.29 to 1.06	0.27 to 0.93	0.29 to 1.06
Carbon max. %	0.30	0.25	0.35
Sulfur, max. %	0.025	0.025	0.025
Phosporous, max. %	0.025	0.025	0.025
Silicon, min. %	0.10	0.10	0.10

A106 Steel Pipe Equivalent

Â	Former		New
Execution	Material	Standard	Material	Standard
Seamless	GRADE B	ASTM A106	P265GH	EN 10216-2

ASTM A106 Grade B Seamless Pipe

SA 106 Gr B Pipe Outside Diameter

Nominal Pipe Size	Over		Under
Nominal Pipe Size	inch	milimeter	inch	milimeter
Over 1-1/2 - 4 [40 - 100], incl	1/32 (0.0031)	0.08	1/32 (0.0031)	0.08
1/8 to 1 - 1/2 [6 - 40], incl	1/64 (0.0015)	0.04	1/64 (0.0015)	0.04
Over 8 - 18 [200 - 450], incl	3/32 (0.0093)	2.04	1/32 (0.0031)	0.08
Over 4 - 8 [100- 200], incl	1/16 (0.0062)	1.06	1/32 (0.0031)	0.08
Over 26 - 34 [650 - 859], incl	5/32 (0.0156)	4.00	1/32 (0.0031)	0.08
Over 18 - 26 [450 - 650], incl	1/8 (0.0125)	3.02	1/32 (0.0031)	0.08
Over 34 - 48 [850 - 1200], incl	3/16 (0.0187)	4.08	1/32 (0.0031)	0.08

Carbon Steel Pipe ASTM A106 Gr.B Wall Thickness

Types	Wall thickness	Out diameter	Length
ASTM A106 Gr B SAW Pipe	As per need	16" to 100" NB	Customized
A106 Gr B Welded Pipe (Ready Stock + as per need)	As per need	1/2" to 24" NB
SA 106 Gr B Seamless Pipe (as per need)	SCH 10 / SCH 5 /SCH 80 / SCH 40 / SCH 160	1/2" to 60" NB
A106b ERW Pipe (as per need	As per need	1/2" to 24" NB