Wholesale Reasonable Price SCH 40 ASTM Standard Seamless Pipe
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Wholesale Reasonable Price SCH 40 ASTM Standard Seamless Pipe

Standard: ASTM API 5L
Grade: GR.B, X42,X46,X52,X60,X65 etc.
Surface: Bare pipe/Black/varnish/3LPE/Galvanized/According to customer's request

Seamless pipe, also referred to as seamless steel tube, stands as a vital component in various industries due to its seamless construction, offering unparalleled strength and integrity without any welded joints or seams. Produced through the extrusion of solid steel billets via a piercing rod, this process ensures the creation of a uniform and continuous structure, guaranteeing superior performance in demanding applications.

Widely utilized across industries such as oil and gas, petrochemical, power generation, and automotive, seamless pipes offer numerous advantages, including high pressure resistance, excellent corrosion resistance, and the capability to withstand extreme temperatures. The absence of welded joints enhances their structural integrity, making them ideal for critical operations where reliability is paramount.

Recognized for their smooth interior surface, seamless pipes facilitate efficient fluid flow and mitigate the risk of frictional losses, ensuring optimal performance in fluid transportation systems. Furthermore, these pipes boast exceptional durability, capable of withstanding harsh operating conditions encountered in various industrial settings.

Available in a diverse range of sizes, thicknesses, and steel grades, including ASTM A53 Standard Seamless Pipe and API 5L PSL1 & PSL2 Seamless Pipe, seamless pipes cater to specific project requirements with precision and reliability. They serve a multitude of applications, encompassing fluid transportation, structural support, and heat exchangers, among others.

In summary, seamless pipes, including Galvanized Seamless Pipe and Oiled Surface Seamless Pipe, represent seamless steel tubes manufactured without welded joints, offering unparalleled strength, corrosion resistance, and durability. As a preferred choice in numerous industries, seamless pipes continue to play a pivotal role in various applications, supported by reliable supply chains and high-quality manufacturing standards upheld by reputable suppliers like China steel seamless pipe suppliers.


Material Standard Technical Grade Usage
Carbon Steel API 5L PSL1&PSL2 Hot finish or cold finish GR.B,X42,X46,X52,
Transportation of oil and gas
ASTM A53 Hot finish or cold finish GR.A ,GR.B
ASTM A106 Hot finish or cold finish GR.A ,GR.B,GR.C
ASTM A179 cold finish A179 Steel pipe for heat exchanger and condenser
ASTM A192 Hot finish or cold finish A192 Carbon steel seamless boiler tube for high pressure
ASTM A210/SA210 Hot finish or cold finish GR.A-1,GR.C Boiler or boiler flue pipe
ASTM A252 Hot finish or cold finish GR.1, GR.2,GR.3 For Structure (Piling)
BS EN10210 Hot finish or cold finish S275JRH,S275J0H,
JIS G3454 Hot finish or cold finish STPG370,STPG410 Transportation of High-pressure fluid

Production Process


Quality Inspection


Packing and Shipping



Q:What is the product's warranty ?
A:As long as you received our cargo within 1 years, you have any problem ,pls feedback to us .After cnofirming
our quality cause ,we will resend new pipes or give reasonable compensation for you.

Q:Can I have a trail order ?
A:Of course ,we are gald to make a trail order to show our quality and service . Getting your satification ,we can
try more cooperation .

Q:Can I have a vist ?
A:Welcome your visiting ,we can communicate and exchange market information to develop more business.

Q:How many coutries you already exported ?
A:Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Iran, Turkey, Jordan, etc.

Q:How manys days can you delivery after confriming order ?
A:If we have stock ,we can shipping within 5-7 days . If customized ,usually within 30 days with normal size .
Specially sizes need to confirm with factory.

Providing high-quality steel products for 10 years , successfully developing over 50+ international markets and continuously developed more high-quality customers.As long as confirming our quality problem , implement the principle of 100% refund and compensation after receiving cargo, ensure the safety of customer funds, ensure customers achieve secure procurement

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