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General Description of ERW and Seamless Standard and Line Pipe Grades

Taken from U. S. Steel Tubular Products | Tubular Steel Pipes & Solutions

Grade 1(ASTM A252)
Minimum Yield Strength:30,000 psi
Maximum Yield Strength:None
Minimum Tensile Strength:50,000 psi
Notes: This grade is a standard grade for ASTM A252. The specification covers the requirements for welded and seamless steel piling pipe.
Grade 2(ASTM A252)
Minimum Yield Strength:35,000 psi
Maximum Yield Strength:None
Minimum Tensile Strength:60,000 psi
Notes: This grade is a standard grade for ASTM A252. The specification covers the requirements for welded and seamless steel piling pipe.
Grade 3(ASTM A252)
Minimum Yield Strength:45,000 psi
Maximum Yield Strength:None
Minimum Tensile Strength:66,000 psi
Notes: This grade is a standard grade for ASTM A252. The specification covers the requirements for welded and seamless steel piling pipe.
Grade A(ASTM A53, A106, A523, API 5L PSL1 )
Minimum Yield Strength:30,000 psi
Maximum Yield Strength:None
Minimum Tensile Strength:48,000 psi
Notes: This grade may be used for standard pipe, line pipe, or conduit pipe as specified in the various ASTM and API specifications.
Grade B(ASTM A53, A106, A523, API 5L PSL1)API 5L PSL2
Minimum Yield Strength:35,000 psi35,000 psi
Maximum Yield Strength:None65,000 psi
Minimum Tensile Strength:60,000 psi60,000 psi
Maximum Tensile Strength:None110,000 psi
Notes: This grade may be used for standard pipe, line pipe, or conduit pipe as specified in the various ASTM and API specifications.
Grade C(ASTM A106)
Minimum Yield Strength:40,000 psi
Maximum Yield Strength:None
Minimum Tensile Strength:70,000 psi
Notes: This grade can only be manufactured by the seamless process and is intended for high-temperature service as outlined in ASTM A106.
API 5L X42PSL1PSL2
Minimum Yield Strength:42,000 psi42,000 psi
Maximum Yield Strength:None72,000 psi
Minimum Tensile Strength:60,000 psi60,000 psi
Maximum Tensile StrengthNone110,000 psi
Notes: This is a standard line pipe grade specified in API (American Petroleum Institute) specification 5L.
API 5L X46PSL1PSL 2
Minimum Yield Strength:46,000 psi46,000 psi
Maximum Yield Strength:None76,000 psi
Minimum Tensile Strength:63,000 psi63,000 psi
Maximum Tensile Strength:None110,000 psi
Notes: This is a standard line pipe grade specified in API (American Petroleum Institute) specification 5L.
API 5L X52PSL1PSL2
Minimum Yield Strength:52,000 psi52,000 psi
Maximum Yield Strength:None77,000 psi
Minimum Tensile Strength:66,000 psi66,000 psi
Maximun Tensile Strength:None110,000 psi
Notes: This is a standard line pipe grade specified in API (American Petroleum Institute) specification 5L.
API 5L X56 PSL1PSL2
Minimum Yield Strength:56,000 psi56,000 psi
Maximum Yield Strength:None79,000 psi
Minimum Tensile Strength:71,000 psi71,000 psi
Maximum Tensile Strength:None110,000 psi
Notes: This is a standard line pipe grade specified in API (American Petroleum Institute) specification 5L.
API 5L X60PSL1PSL2
Minimum Yield Strength:60,000 psi60,000 psi
Maximum Yield Strength:None82,000 psi
Minimum Tensile Strength:75,000 psi75,000 psi
Maximum Tensile Strength:None110,000 psi
Notes: This is a standard line pipe grade specified in API (American Petroleum Institute) specification 5L.
API 5L X65PSL1PSL2
Minimum Yield Strength:65,000 psi65,000 psi
Maximum Yield Strength:None87,000 psi
Minimum Tensile Strength:77,000 psi77,000 psi
Maximum Tensile Strength:None110,000 psi
Notes: This is a standard line pipe grade specified in API (American Petroleum Institute) specification 5L.
API 5L X70PSL1PSL2
Minimum Yield Strength:70,000 psi70,000 psi
Maximum Yield Strength:None90,000 psi
Minimum Tensile Strength:82,000 psi82,000 psi
Maximum Tensile Strength:None110,000 psi
Notes: This is a standard line pipe grade specified in API (American Petroleum Institute) specification 5L.
 
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