Product Name	Seamless Steel Pipe/Tube
Key word	Carbon steel pipe,Seamless Steel Pipe, Seamless Stainless Steel Pipe, Steel Piping
Grade	Q235, Q355, 20#, 45#, 45Mn, 40Cr, 20CrNi3A, 304, 316, 410, 460
Technique	Cold Rolled, Hot Rolled, Cold Drawn, Extruded
Diameter	4-900mm
Length	6m, 12m or customized
Thickness	2-60mm
Shape	Round, Square, Rectangle
Certification	CE, ROHS, ISO9001
Tolerance	±1%, ±5%
Alloy Or Not	Non-Alloy
Oiled or Non-oiled	Non-oiled
Invoicing	By actual weight
Delivery Time	10-20 days
Application	For conveying gas, water and oil either in the oil or natural gas industries
Packing	Bundle or bulk , seaworthy packing or according to customers’ requirement

Seamless steel pipes are perforated from whole round steel, and steel pipes without welds on the surface are called seamless steel pipes. 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 top pipes. According to the cross-sectional shape, seamless steel pipes are divided into two types: round and special-shaped. Special-shaped pipes include square, oval, triangular, hexagonal, melon seed, star, and finned pipes. The maximum diameter is 900mm and the minimum diameter is 4mm. According to different purposes, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes. Normally, seamless pipes can withstand 20% higher working pressure than welded pipes of the same material grade and size.

Seamless steel pipe adopts high quality raw materials, with high pressure resistance, good toughness, long pipe section, few joints and other characteristics.

The seamless steel pipe is light in weight and can be made into annular parts, which can improve the utilization rate of materials.

Seamless steel pipe has strong corrosion resistance, acid, alkali, salt and atmospheric corrosion, long service life.

Seamless steel pipe has high reuse elasticity in mechanical equipment. No deformation, anti-static.

The applications for seamless tube are wide and varied. They include bearings, bushings, parts for auto and aerospace manufacturing, parts for agriculture and heavy construction equipment manufacturing, and tube and pipe for the energy markets.

Q: Are you trading company or manufacturer ?
A: We are professional manufacturer for steel ,and our company also is a very professional and technical foreign trade
company for steel products. We have more export experience with competitive price and best after-sales service. Apart from this,we can provide a wide range of steel products to meet the requirement of customer.

 Q: Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time no matter if the price change lot or not. Honesty is our company's tenet.
 

 Q: How can I get your quotation as soon as possible?
A: The email and fax will be checked within 24 hours,meanwhile,the Skype,Wechat and WhatsApp will be online in 24 hours. Please send us your requirement and order information,specification(Steel grade,size,quantity,destination port),we will work out a best price soon.
 

 Q: Do you accept the third party inspection?
A: Yes absolutely we accept.
 

 Q: Do you provide samples ? is it free or extra?
A: The sample could can provide for customer with free,but the freight will be covered by customer account. The sample freight will be returned to customer account after we cooperate. 

Type	Main Standards and Grades
Seamless steel pipe for structural use	GB/T8162, e.g. Φ100×6×20# (mechanical structure), Φ168×8×Q345B (construction scaffolding)
Seamless steel pipe for liquid transportation	GB/T8163, e.g. Φ57×3.5×20# (water/oil transportation), Φ325×6×Q235B (municipal water supply pipe network)
Seamless steel pipe for low and medium pressure boiler	GB3087, e.g. Φ 42×4×20# (steam pipe), Φ102×4.5×15CrMoG (superheater pipe)
Seamless steel pipe for high-pressure boilers	GB5310, such as Φ38×5×20# (high-pressure steam pipe), Φ159×8×12Cr1MoVG (power station boiler)
Seamless steel pipe for petroleum cracking	GB9948, such as Φ76×4×1Cr5Mo (heat exchanger for oil refinery ), Φ114×5×12CrMo (cracking furnace pipe)
Seamless steel pipe for geological drilling	YB235-70, which can be classified into drill pipes, drill collars, core tubes, casing and precipitation tubes, etc. according to the use.
Seamless steel pipe for ships	GB5312, which represents the materials of 360, 410, 460 steel grades, etc.
Seamless steel pipe for automobile half-axle casing	YB/T5035, which represents the materials of 45#, 45Mn2, 40Cr, 20CrNi3A, etc.
High-pressure seamless steel pipe for diesel engine	GB3093, generally cold-drawn pipe, the representative material is 20A.

The applications for seamless tube are wide and varied. They include bearings, bushings, parts for auto and aerospace manufacturing, parts for agriculture and heavy construction equipment manufacturing, and tube and pipe for the energy markets.

Hot Rolled Seamless Steel Pipe Sch 40 27 Inch 4130 Hot Rolled

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