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Seamless Steel Pipe

Seamless Carbon Steel Pipe

Specifications Range
Out Diameter 1/4 inch-36 inch
Wall Thickness 1.25 mm-50 mm
Length 3.0m-18m



Types of Seamless Carbon Steel Pipe from Our Factory

Types
Uses
Structure Purposes
General structure and mechanical
Liquid Services
Petroleum, gas and other fluids conveying
Low and Medium Pressure
Steam and boiler manufacturing
Hydraulic Pillar Service
Hydraulic support
Auto Semi-shaft Casing
Auto sem-shaft casing
Line Pipe
Oil and gas conveying
Tubing and Casing
Oil and gas conveying
Drill Pipes
Well drilling
Geological Drilling Pipes
Geological drilling
Petroleum Cracking Tubes
Furnace tubes, heat exchangers


Standards and Applications

Standards Grades Class
API API 5L
Line pipe for pipeline transportation systems
API 5CT
Tubing and casing for wells
API 5DP
Drill Pipe for well drilling
ASTM ASTM A53
Used as structural steel or for low-pressure plumbing
ASTM A106
seamless carbon steel pipe for high-temperature service
ASTM A335
for seamless ferritic alloy-steel pipe for high-temperature service
ASTM A213
for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes
ASTM A179
for seamless Cold-drawn low-carbon steel heat-exchanger and condenser tubes
ASTM A192
for seamless carbon steel boiler tubes for high-pressure service
ASTM A210
for seamless medium-carbon steel boiler and superheater tubes
ASTM A333
for seamless steel pipe for low-temperature service and other applications with required notch toughness
ASTM A519
for seamless carbon and alloy steel mechanical tubing
ASTM A252
for seamless and welded steel pipe piles
DIN DIN 17175
for heat resistant seamless steel pipe lines
DIN 1629
for seamless circular tubes of non alloys steels wth special quality requirements
DIN 2391
for cold drawn or cold rolled precision seamless steel tubes
JIS JIS G3454
seamless carbon steel pipe for pressure service
JIS G3456
seamless carbon steel pipe for high temperature service
JIS G3461
seamless carbon steel pipe for boiler and heat exchanger
EN EN 10210
for hot finished seamless structural hollow sections of non-alloy steels
EN 10216
seamless steel tubes for pressure purposes
BS BS 3059
for 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.