1.OD:1/8"-50" 2.WT:1-50 3.supply:8000ton/month 4.moq:20tons OD219-3400mmWT5-30mmMaterialQ235,Q345, ... ,X42/X46/X52/X56/X60/X80/X100StandardAPI 5L, SY/T5037-2000, GB/T9711-1997UsageAPI 5L oil, gas, coal and mine transmission Piling ... ,ERW, SSAWweightTheoretical weight InspectionX-RAY FLAWDETECTION PRESSURETESTING ULTRASONIC MECHANICALAERFORMANCEANALYSIS API 5L SSAW psl1 5inch steel pipe