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GB/T 9711.1-1997, GB/T 3091-2001, JIS G3444-2006 Seamless Steel Pipe

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GB/T 9711.1-1997, GB/T 3091-2001, JIS G3444-2006 Seamless Steel Pipe

Country/Region	china
City & Province	chongqing chongqing
Categories	Steel Rebars

Product Details

Seamless Steel Pipe

Feature:

The seamless steel pipe is made of perforated whole round steel, and the steel pipe without weld seam on the surface is called seamless steel pipe.
According to the production method, seamless steel pipes can be divided into hot-rolled seamless steel pipes, cold-rolled seamless steel pipes, cold-drawn seamless steel pipes, extruded seamless steel pipes, and pipe jacking. According to the cross-sectional shape, the seamless steel pipe is divided into two types: round and special-shaped. The maximum diameter is 900mm and the minimum diameter is 4mm. According to different uses, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes.
Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemical industries, boiler pipes, bearing pipes and high-precision structural steel pipes for automobiles, tractors, and aviation.

Specification:

Application	OIL PIPE, Low-pressure fluid transport, construction, fence posts, and conduit
Alloy Or Not	Non-Alloy
Section Shape	Round
Special Pipe	Thick Wall Pipe
Outer Diameter	13.7 - 610 mm, DN8-DN600
Thickness	1.3 - 15 mm
Standard	API, ASTM, bs, DIN, GB, JIS, ASTM A53, ASTM A106, API 5L and so on, API 5L, ASTM A53-2007, BS 1387, BS EN10025, BS EN 39, BS EN10219, DIN EN 10217-1-2005, DIN 2444, DIN EN 10025, GB/T 9711.1-1997, GB/T 3091-2001, JIS G3444-2006
Grade	45#, Q235, Q345, Q195, ST37, ST52, ST42, 10#-45#, Q195-Q345, ST35-ST52
Tolerance	±10%
Processing Service	Punching, Cutting
Secondary Or Not	Non-secondary
Commodity	Black Carbon Steel Seamless Pipe for oil and gas
Wall Thickness	1.3mm-30.0mm ( sch40/ sch80/ sch160)
Length	6m/5.8m or customized
Material	Q195, Q235, Q345, #20
pipe ends	bevel ends or plain ends with caps
Technique	Hot Rolled
Certification	API
Type	Seamless Steel Pipe

① The main production process of hot-rolled seamless steel pipe (main inspection process):
Tube blank preparation and inspection → tube blank heating → perforation → tube rolling → waste tube reheating → diameter determination (reduction) → heat treatment → finished tube straightening → finishing → inspection (non-destructive, physical and chemical, Taiwan inspection) → storage

② The main production process of cold-rolled (drawn) seamless steel pipe
Billet preparation → pickling lubrication → cold rolling (drawing) → heat treatment → straightening → finishing→inspection