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Seamless Carbon Steel Pipe


Standards and Applications

StandardsGradesClass
APIAPI 5LLine pipe for pipeline transportation systems
API 5CTTubing and casing for wells
API 5DPDrill Pipe for well drilling
ASTMASTM A53Used as structural steel or for low-pressure plumbing
ASTM A106seamless carbon steel pipe for high-temperature service
ASTM A335for seamless ferritic alloy-steel pipe for high-temperature service
ASTM A213for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes
ASTM A179for seamless Cold-drawn low-carbon steel heat-exchanger and condenser tubes
ASTM A192for seamless carbon steel boiler tubes for high-pressure service
ASTM A210for seamless medium-carbon steel boiler and superheater tubes
ASTM A333for seamless steel pipe for low-temperature service and other applications with required notch toughness
ASTM A519for seamless carbon and alloy steel mechanical tubing
ASTM A252for seamless and welded steel pipe piles
DINDIN 17175for heat resistant seamless steel pipe lines
DIN 1629for seamless circular tubes of non alloys steels wth special quality requirements
DIN 2391for cold drawn or cold rolled precision seamless steel tubes
JISJIS G3454seamless carbon steel pipe for pressure service
JIS G3456seamless carbon steel pipe for high temperature service
JIS G3461seamless carbon steel pipe for boiler and heat exchanger
ENEN 10210for hot finished seamless structural hollow sections of non-alloy steels
EN 10216seamless steel tubes for pressure purposes
BSBS 3059for carbon,alloy and austenitic stainless steel tubes with specified elevated temperature properties

Dimension Tolerances of Seamless Carbon Steel Pipe

 

Pipe types

Pipe Szie(mm)

Tolerances

Hot rolled

OD

<50

±0.50mm

≥50

±1%

WT

<4

±12.5%

≥4~20

+15%, -12.5%

>20

±12.5%

Cold drawn

OD

6~10

±0.20mm

10~30

±0.40mm

30~50

±0.45

>50

±1%

WT<1±0.15mm
>1~3+ 15%, - 10%
>3+ 12.5%, - 10%

seamless carbon steel pipe has many uses, thanks to the tough and versatile nature of carbon steel. This pipe is seamless, so it tends to have better durability and strength, making it useful for construction work. Many heat-transfer systems use a seamless carbon steel pipe network to the hot or cold liquid or gas in an area. The petroleum industry uses this pipe to carry large amounts of petroleum from the ground to the surface, and this pipe also is commonly used to transfer the petroleum to other places. This pipe is easier to form and bend than other carbon steel pipes, so it also can be used in places where custom angles and shapes are needed.

Many large structures use pipes in the deep foundation, the section that is underground. If a seamless carbon steel pipe is used, then it is driven into the ground by a large machine and may be filled with concrete after it is pile-driven to protect the pipe and make it even sturdier. This type of pipe generally is very durable and does not bend easily from stress, so it is uniquely suited for deep foundations.



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Seamless steel pipe

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