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Cold Drawn Seamless Steel Pipe

Cold drawn precision seamless steel pipe is a precision cold-drawn seamless pipe with high dimensional accuracy and good surface finish for mechanical structure and hydraulic equipment. The selection of precision seamless pipe to manufacture mechanical structure or hydraulic equipment, etc., can greatly save machining hours, improve material utilization, and help improve product quality.

Materials:  20#, 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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  • Over 20 years experienced engineering development
  • Suitable for petroleum, chemical, steel, machinery, military, aerospace and other industries
  • Produced in strict accordance with international standards
  • Low MOQ

Cold-drawn seamless steel pipe material:carbon seamless steel pipe, Alloy steel seamless pipe, Boller steel pipe, Fluir transmisson pipe

Cold drawn seamless steel pipe specification:

  • Outer diameter: 1/4”-4” (13.7mm-114.3mm).
  • Wall thickness: 1.5mm-5mm
  • Length: 3m-12m
  • Surface: oiling, spraying black paint ( or varnish), galvanized, 3PE, FBE epoxy anti-corrosion coating etc.

Cold drawn seamless steel pipe application

Widely used in industry, chemical industry, construction, water treatment, agricultural irrigation, highway billboards, fire fighting , bridge supporting , gas & oil conveying, mine and oilfield drilling.

Cold drawn seamless steel pipe quality inspection:

  1. Our factory has its own “experimental testing center”.CNAS Laboratory Accreditation Certificate
  2. 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. 3.We have got internationally recognized certificates, ISO, CE, LR,Philippine certificate,also support third-party testing,as SGS, BV, ect.

Cold drawn seamless steel 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. 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 below ground services.

The components of cold drawn seamless steel pipe are carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr. The method to balance supply and demand at the structural level is relatively limited. It should be emphasized that when listening to the methods described in the opinions, other problems usually arise. At this time, the main differences should be grasped and the main problems should be solved. method to solve.

Cold drawn seamless steel pipe has the advantages of high precision and smoothness, no air oxide layer on the inner and outer walls, can accept high pressure, no deformation after cold drawing, flaring, flattening without gaps, etc. The round steel pipe of cold drawn seamless pipe is mainly used for For the production of pneumatic or hydraulic parts, such as seamless steel pipes for cars, crude oil drilling tools, etc. The special-shaped pipe in cold drawn seamless pipe can be widely used for various parts, articles and mechanical parts.

Standard of cold drawn seamless steel 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
DIN 1629 Seamless circular unalloyed steel tubes subject to special requirements
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