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Galvanized Seamless Steel Pipe ASTM A106/A53/API 5L GR.B
2016-11-16 00:36
Specfication:ASTM A106/A53/API 5L GR.BSize:from 1/4" to 28",OD from 13.7 mm to 711.2 mmSchedule:SCH20,SCH30,SCH40,STD,SC
