API 5L X60 is a common high grade pipe material in API 5L specifciations for oil and gas transmissions. It’s also called L415 pipe, which named by yield strength minimum in 415 Mpa (60,200 psi). It covers manufacturing types in seamless (hot rolled and colde rolled), and welded in ERW, LSAW, SSAW (HSAW).

①对于产品 (钢管)等级PSL1：碳的规定最大含量每降低0.01%，Mn的规定最大含量就可以提高0.05%，对钢级≥L245或Grade B且≤L360或Grade X52的钢，Mn含量最高可增至1.65 %；对钢级 > L360或Grade X52 且 < L485或Grade X70的钢，其Mn含量最高可增至1.75 %；对钢级L485或Grade X70的钢，Mn含量最高可增至 2.00 % 。

API 5L X60 line pipe is a high-strength, high-yield pipe that is produced to a set of international standards. API 5L X60 pipelines are also available in PSL-1, PSL-2, onshore/offshore, and sour service configurations. The American Petroleum Institute, or API, is the largest trade association for the oil and gas industry. Every year, they ...

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For intermediate grades up to Grade L320 or X46, the tensile strength shall be ≤ 655 MPa (95 000 psi).

U is the specified minimum tensile strength, expressed in megapascals (pounds per square inch).

For each reduce of 0.01% Carbon Max, an increase of 0.05% of maximum Mn is permited, up to a maximum of 1.65% for grade ≥ B or L245, but ≤ X52 or L360; Up to max 1.75% for grades above L360 or X52, but below L485 or X70; And up to 2.00% max for grade X70 or L485. Unless otherwise agreed, Nb + V ≤ 0.06%. Nb + V + Ti ≤ 0.15%.

This Standard specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.

American Piping Products stocks API 5L pipe in grades B, X42, X52, X60, X65 & X70. ANSI / API 5L specifies the manufacture of two product levels (PSL1 and PSL2) of seamless and welded steel pipe for the use of a pipeline in the transportation of petroleum and natural gas.