☆Standard API SPEC 5L 45 Edition GRB X42,Website:http://www.ausinpipeline.com,X52,X60,X65,PSL1,PSL2,GB/T9711.2,ISO3183☆SizeOD 168mm-610mm* WT3. 5mm-20mm* Double random length or fixed length 12m☆ApplicationUsed as oil delivery pipe in oil and natural gas industry.☆Size TolerancesStandardOD ToleranceWT ToleranceAPI SPEC 5LD＜60.3mm＋0.41mm－0.8mm＋15%－12.5%FOR B ＋20%－12.5%D≥60.3mm &S＜20mm±0.75%＋15%－12.5%D≥60.3mm &S≥20mm±1%＋17.5%－10%FOR B ＋15%－12.5%☆Mechanical properties(%)StandardSteelTensile Strength(MPa)MinYield strength(MPa)Elongation (%)MinMaxAPI SPEC 5LPSL1B415245-As per tableX42415290-As per tableX52460360-As per tableX60520415-As per tableX65535450-As per tableAPI SPEC 5L PSL2BN415-760245450eAs per tableX42N415-760290495As per tableX52N460-760360530As per tableX60N520-760415565As per tableX65Q535-760450600As per tablee. For pipe with D＜219.1mm(8.625in),the maximum yield strength shall be ≤495MPaOthers as per code☆Chemical composition: (%):StandardSteelC bSiMn bP≤S≤V≤Nb≤Ti≤Mo≤Cu≤API SPEC 5LPSL1B0.28-1.200.030.03cdcddaaX420.28-1.300.030.03dddaaX520.28-1.400.030.03dddaaX600.28-1.40e0.030.03fffaaX650.28-1.40e0.030.03fffaaotherBN0.240.401.200.0250.015cc0.04deeAPI SPEC 5LPSL2X42N0.240.401.200.0250.0150.060.050.04deeX52N0.240.451.400.0250.0150.10f0.050.04deeX60N0.24f0.45f1.40f0.0250.0150.10f0.05f0.04fdedeX65Q0.180.451.700.0250.015ggghghDetails as per API SPEC 5 L standardsWPQT and Weld ability Test shall be conducted at mill before manufacturing