A106 Seamless pipes

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Manufacturer and supplier of ASTM A106 Gr. B Carbon Steel Pipe, ASTM A106 Grade B Pipe Suppliers, SA106 Grade B CS Pipe Supplier, a106 carbon steel pipes.

Production Process

Billet–rotary hearth furnace–punch a hole into the end of billets–rotary piercing–mandrel mill–heat treatment–stretch reducing–cooling–sawing–heat treatment–straightening–end facing–Eddy current inspection–magnetic particle inspection–visual and dimensional inspection–marking and coating–Spectro-chemical analysis–packaging–shipping.
Seamless Steel Pipes/Tubes/Tubing
Seamless steel pipes are used for general structure, mechanical structure, water wall panel, economizer, super-heater, boiler, and heat exchanger with seamless steel tubes, and for pipelines transmitting water, natural gas, and petroleum, etc. Our seamless pipes are available in various wall thicknesses and diameters. We are among the leading manufacturers and suppliers of SMLS steel pipes, tubes, or tubing in China, welcomed by customers in many countries of the world.
Quality Standard:
API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded, and Seamless
ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
ASTM A106 Seamless Carbon Steel Pipes for oil pipeline and gas pipeline transportation
JIS G3441 Alloy steel tubes for machine purposes
JIS G3444 Carbon steel pipes for general structural purposes
JIS G3445 Carbon steel tubes for machine structural purposes
DIN 2391 Seamless Precision Steel Tubes
EN10305 Stainless steel pipe for precision applications. Technical delivery conditions. Seamless cold drawn tubes
EN 10210: Seamless structural steel pipes
Steel Grade:
API 5L: Grade A, Grade B, X42, X46, X52, X56, X60, X65, X70, X80
ASTM A 53: Grade A, Grade B, Grade C, Type F, Type E
ASTM A519: 1010-1045, 4130-4142, 5135
JIS G3441: SCM 415 TK, SCM 418 TK, SCM 420 TK, SCM 430 TK, SCM 435 TK, SCM 440 TK
JIS G3444: STKM 11A, STKM 12, STKM 13, STKM 14, STKM 15, STKM 16, STKM 17, STKM 18
STKM 19, STKM 20
DIN 2391: St30Si, St30A1, St35, St45, St52
EN10305: E235, E355
EN 10210: S235JRH; S275J0H, S275J2H; S355J0H, S355J2H; S275NH, S355NH; S275NLH, S355NLH
Size and Specification:
Outer Diameter: 18 to 820mm
Wall Thickness: 2to 80mm

Material of Carbon Steel Seamless Steel Pipes & Tubes we can supply: ASTM A53 Grade B, ASME SA53 Gr B, API-5L Gr B, ASTM A106 Gr B, ASME SA106 Gr B, ASTM A106 Gr C, ASTM A 106 Gr B, API-5L Gr B, API-5L Gr X42, API-5L Gr X52, API-5L Gr X60, API-5L Gr X65PSL1, and PSL2 Pipes

Seamless Steel Pipes & Tubes Stockist Suppliers in Hebei, China.


For high-temperature services that up to 750°F, A106 could substitute ASTM A53 pipe in most of the cases. In some countries, usually, ASTM A53 is for welded pipe while ASTM A106 is for seamless pipe. And if the client asked for ASTM A53 they will also offer A106. We will offer the pipe that complies with three standards ASTM A53 B / ASTM A106 B / API 5L B.

Cooperate with JS FITTINGS, you will enjoy the following benefits.

Pre-sale Service

Cooperation guidance Production process updates Documents of clearance

After-sale Service

1-year warranty time of the products. Any feedback will be replied to within 2 hours. 
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Free Sample

If you need samples in small sizes such as 1", 2", and only one or two pieces, samples are free.

Free Sample

You only need to pay for the courier cost. 
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Fast Quotation

The factory price list can be supplied within 1 day in working days. 

Factory Price

We are a factory of 38 years old, some items are in stock.
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Our factory and products are approved by ISO 9001, CE, TUV, CCS and GOST-R.

Test & Inspection

Before delivery, the SGS inspection, Ultrasonic test and other inspections are acceptable. 
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Customers say:

Boran Turkey
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The flanges are exactly in line with our requirement technically and competitive commercially.
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We tested the elbows and flanges, their performance is very nice. We will make the new purchase plan for the warehouse.
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like the product.. quick response and also nice people.
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This product is exactly in line with our requirement technically and competitive commercially.

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