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Seamless steel pipe
A106b seamless steel pipe
Seamless pipe
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A106B seamless steel pipe manufacturer

Product Details

What is A106B seamless steel pipe?

ASTM A106 GrB. seamless steel pipe belongs to the American standard steel pipe, A106 includes A106-A, A106-B.
The ASTM steel pipe A106B corresponds to the Chinese standard GB8163 and the material is 20#.
It belongs to the ordinary carbon steel series and is one of the commonly used materials.

Chemical Composition and Mechanical Properties

chemical composition

Carbon:≤0.3%Manganese: 0.29%~1.06%Phosphorus:≤0.035%Sulfur:≤0.035%Silicon:≥0.1%Chromium: ≤0.40%Copper:≤0.40%Molybdenum: ≤0.15%Nickel: ≤0.40%Vanadium:≤0.08%Tensile strength≥415MPAYield strength≥240MPAElongation≥30%

chemical composition of A106 Seamless Steel Pipe

Speci -cation Grade Chemical Composition [%]
C Mn P S Si Cr Mo Cu Ni V
Min Max. Min Max. Max. Max. Min. Max Min. Max Min. Max Max Max Max
ASTM A-106 A - 0.25 0.27 0.93 0.035 0.035 0.1 - - 0.4 - 0.15 0.4 0.4 0.08
B - 0.3 0.29 1.06 0.035 0.035 0.1 - - 0.4 - 0.15 0.4 - 0.08
c - 0.35 0.29 1.06 0.035 0.035 0.1 - - 0.4 - 0.15 0.4 0.08

mechanical property of A106 Seamless Steel Pipe

Speci -cation Grade Mechanical Properties
Yield Strength Tensile Strength % Elongation (G.L. 50 mm WT 8 mm) e (min.)
Min. Min.
ASTM A-106 A 30,000 205 48,000 330 35L / 25T
B 35,000 240 60,000 415 30L / 16.5T
c 40,000 275 70,000 485 30L / 16.5T

Product Introduction of A106 Seamless Steel Pipe


Seamless Carbon Steel Pipeline


DN: Seamless:17-914mm 3/8"-36"

Wall Thickness: SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80
SCH100 SCH120 SCH140 SCH160 XXS

Length: Single random length/Double random length


Accept customization

Surface Treatment

Bare,Painting black,varnished,galvanized,anti-corrosion 3PE PP/EP/FBE coating


Carbon steel: 10#, 20#, 45#, ASTM A105 etc.
Alloy steel: ASTM A234 GR.WPB,ASTM A182 GR.F22/F11 CL2/CL3, ASTM A234 GR.WP11/WP22 CL.2/CL.1
Stainless steel: SS304, SS304L, SS304H, SS321, SS316, SS316L, SS310S, 904L, 254SMO , 253MA etc.
Duplex: 2205, 2507, F55 etc.
Nickle Alloy:Hastelloy C276, Inconel 601,Inconel 625, Inconel 718, Monel 400, Monel K500 etc.
Copper Nickel: CuNi 90/10, CuNi 70/30




Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc.


Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc


wooden case, pallet or as customers' requirement Applications Petroleum, chemical, power, gas, metallurgy, shipbuilding,
construction, etc

Delivery time

Accroding to customers' requirements

ASTM A106 GrB. Seamless Steel Pipe Applications

A106 material service temperature range: -28.9~565℃.
ASTM A106 seamless steel pipe includes two processes of cold drawing and hot rolling.
Widely used in various industries such as petroleum, chemical industry, boiler, power station, ship, machinery manufacturing, automobile, aviation, aerospace, energy, geology, construction and military industry.

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