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Production | seamless steel pipe | |||||||||
Standard and Steel Grade | API 5L PSL1 X60 X65 X70 | |||||||||
delivery condition | As-rolled,normalizing rolled,normalizing formed,normailized,normalized and tempered,quenched and tempered,thermomechanical rolled or thermamechanical formed | |||||||||
Process of manufacture | As-rolled,Heat-treated | |||||||||
Chemical composition | Steel Grade | C(%)≤ | Mn(%)≤ | P(%)≤ | S(%)≤ | V(%)≤ | Nb(%)≤ | Ti(%)≤ | ||
L415/X60 | 0.28 | 1.4 | 0.03 | 0.03 | Nb+V+Ti≤0.15% | |||||
L450/X65 | 0.28 | 1.4 | 0.03 | 0.03 | Nb+V+Ti≤0.15% | |||||
L485/X70 | 0.28 | 1.4 | 0.03 | 0.03 | Nb+V+Ti≤0.15% | |||||
Tensile properties | Steel Grade | Yield strength (Mpa) | Tensile strength(Mpa) | |||||||
L415/X60 | 415(60200) | 520(75400) | ||||||||
L450/X65 | 450(65300) | 535(77600) | ||||||||
L485/X70 | 485(70300) | 570(82700) | ||||||||
Type of length | Fixed ruler and Double ruler | |||||||||
Certification | ISO 9001-2002 ISO14001-2004 | |||||||||
Inspection and Test | Tensile test,Hydrostatic test,Non-destructive inspection and as agreed | |||||||||
Surface Treatment | With a temporary external coating or as agreed |