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Carbon Steel Seamless Steel Pipe

Carbon steel seamless steel pipe is a kind of long steel with it. Steel pipes have a hollow section and are widely used as pipelines for transporting fluids, such as pipelines for transporting oil, natural gas, gas, water and some solid materials. Compared with solid steel such as round steel, steel pipe is lighter in weight while having the same bending and torsional strength, and is an economic section steel, which is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle racks and steel scaffolding used in building construction.

Materials:  GR.B, X42, X56, P11, P22, ST37, ST44, ST52, S235JR, S355JR, STP430.
Standard:API 5L, A106, A53, A335, A333, DIN1629, DIN2448, GOST8731, JIS G3454.

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Seamless carbon steel pipe is made of steel ingot or solid tube billet by perforation, and then hot rolling, cold rolling or cold drawing.

Carbon steel seamless pipe type

Carbon seamless steel pipe, Alloy seamless steel pipe, Milde carbon steel pipe, Hot rolling seamless pipe, Cold drawn seamless pipe

Carbon steel seamless pipe production process

Hot rolling,Cold drawn, thermal expansion.cutting,etc.

Carbon steel seamless pipe specification:

  • Outer diameter: 1/4”-40”(13.7mm-1016mm)
  • Wall thickness: 1.5mm-80mm
  • Length: 3m-14m

Carbon steel seamless pipe application

Widely used in gas & oil conveying, mine and oilfield drilling.

Carbon steel seamless pipe quality inspection:

  1. Our factory has its own “experimental testing center”.CNAS Laboratory Accreditation Certificate
  2. Control quality strictly.The first pass is the quality inspection on the production line,The second pass is full inspection of the  production quality .
  3. We have got internationally recognized certificates, ISO, CE, LR,Philippine certificate,also support third-party testing,as SGS, BV, ect.

Carbon steel seamless pipe feature

Carbon seamless steel pipe (SMLS) is formed by drawing a solid billet over a piercing rod to create the hollow shell, without welding or seam. It is suitable for bending and flanging. The most advantage is increasing the ability of withstanding higher pressure.n improve material utilization, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, jackets, etc., has been widely used to manufacture steel pipe.
Widely used for liquid, gas, and steam services both above- and belowground services.

Standard of Carbon steel seamless pipe

ASTM A53 Gr.B Black and hot-dipped zinc-coated steel pipes welded and seamless
ASTM A106 Gr.B Seamless carbon steel for high temperature service
ASTM SA179 Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes
ASTM SA192 Seamless carbon steel boiler tubes for high pressure
ASTM SA210 Seamless Medium-carbon boiler and superheater tubes
ASTM A213 Seamless alloy-steel boiler, superheater, and heat-exchanger tubes
ASTM A333 GR.6 seamless and welded carbon and alloy steel pipe intended for use at low temperatures.
ASTM A335 P9,P11,T22,T91 Seamless ferritic alloy-steel pipe for high-temperature service
API Spec 5CT J55/K55/N80/L80/P110/K55 Seamless steel pipe for casing
API Spec 5L PSL1/PSL2 Gr.b, X42/46/52/56/65/70 Seamless steel pipe for line pipe
DIN 17175 Seamless steel tube for elevated temperture
DN2391 Cold drawn seamless prevision pipe
DIN 1629 Seamless circular unalloyed steel tubes subject to special requirements
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