
API SPEC 5L
This standard specifies the manufacturing requirements for seamless and welded pipes for pipeline transportation systems in the petroleum and natural gas industries, including two product specification levels (PSL1 and PSL2). This specification does not apply to cast iron pipes.

Details Introduction
This standard specifies the manufacturing requirements for seamless and welded pipes for pipeline transportation systems in the petroleum and natural gas industries, including two product specification levels (PSL1 and PSL2). This specification does not apply to cast iron pipes.
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This standard is issued with fixed code A500/A500M. The following number indicates the year number officially adopted in the original text; in the case of a revision, it is the year number of the previous revision; the number in parentheses is the year number of the previous reconfirmation. The superscript symbol (ε) indicates an editorial change to the last modified or re-determined version.
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Application: construction, machinery manufacturing, photovoltaic, furniture, special vehicle frame manufacturing, container manufacturing, decoration, etc.
This standard specifies the manufacturing requirements for seamless and welded pipes for pipeline transportation systems in the petroleum and natural gas industries, including two product specification levels (PSL1 and PSL2). This specification does not apply to cast iron pipes.
This standard is issued with fixed code A500/A500M. The following number indicates the year number officially adopted in the original text; in the case of a revision, it is the year number of the previous revision; the number in parentheses is the year number of the previous reconfirmation. The superscript symbol (ε) indicates an editorial change to the last modified or re-determined version.
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