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API 5L X70 Pipe  L485 Grade X70 PSL1  LSAW Welded Line Pipe Specifications

Apr 26, 2025

API 5L X70 Pipe  L485 Grade X70 PSL1  LSAW Welded Line Pipe 

API 5L Grade X70 Material:


API 5L X70 (L485) is a type of steel pipe used in the oil and gas industry for pipeline transportation systems, named after its minimum yield strength of 70,300 psi (485 MPa), and consists of both seamless and welded pipe forms and is divided into two product specification levels, PSL1 and PSL2. In PSL1, X70 is the highest grade, while in PSL2 it is also one of the higher grades of steel pipe.

API 5L X70 steel pipe is particularly suited to the demands of long-distance, high-pressure transportation because of its high strength and pressure resistance. In order to withstand higher pressures, X70 steel pipe is often designed with thicker walls to ensure adequate strength and durability.

Applications for API 5L X70 come in API 5L x70 seamless pipes and Welded Steel Pipes. API 5L x70 psl 1 Pipe is suitable for conveying water, oil and gas. Applications for API 5L Pipes includes petroleum, petrochemical, natural gas industries, and waterworks. API 5L X70 Pipe Suppliers covers steel pipes for transportation in Oil, Petroleum Industries. API 5L x70 ERW Pipe includes standard-weight and extra-strong threaded line pipe, special plain-end, standard-weight plain-end, regular-weight plain-end, extra-strong plain-end, special plain-end, extra-strong plain-end pipe.

We are the firm that deals with the quality grades of API 5L grade X70, X42, X52 and many other standards of API 5L series, which is made from quality raw materials and other general materials to design and produce these following Pipe grades.
API 5L X70 is a high carbon version pipe grade that has good corrosive properties in several atmospheres. API 5L x70, which has solid chemical properties, contains carbon up to 0.22-0.28 per cent, manganese up to 1-1.2 per cent, phosphorus up to 0.03 per cent, sulphur, nickel, chromium, and copper in precise amounts. The PSL grades with A25, A and B, X43, X46, X56, X60, X65, and X80 shall have their specific tensile strength and be used following the different conditions. On the other hand, PSL 2 grade B, X43, X46, X56, X60, X65, X70, etc., are also available.

During Bend tests, no cracks should occur in any portion of the pipe, along with no opening in the form of the weld. The specification, such as wall thickness, is specified as 6.4-38.1 mm. The tube shall adjust the diameter measured with a mechanical calliper with contact pins having a round cross-section of 6.4 mm diameter and length that range up to 0.03 m, measuring the outer face couplings.

 

API 5L X70 Seamless 1/2” NB – 60” NB
API 5L X70 PSL2 SAW 16” NB – 100” NB
Grade X70 ERW 1/2” NB – 24” NB
X70 Carbon Steel LSAW / DSAW 16’OD TO 54′ OD (8 MM TO 50 MM THK)
Standard API, ASTM, ISO 3183, ASME
Test HIC / SSC TEST, NACE MR0175 / TM0177 / TM0284, H2 SERVICE, IBR etc.
Wall Thick. SCH10, 20, 30, STD, 40, 60, XS, 80, 100, 120, 140, 160, XXS DIN, JIS
PSL Level
  • API 5L X70 PSL 1
  • API 5L X70 PSL 2
Origins European, Korean, Indian, Japanese, US, Ukraine, Russian
Pipe Length Single /Double Random, 12 Meter lengths, Custom Length,

API 5l X70 Tubular Application

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

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