... ,STD XSAPI5LGR.B/X42,X52,X605.8m,6m,5m to 12m randomERW Steel pipe1" to 28"SCH20,30,40,60,STD XS,80ASRM ... A53GR.B5.8m,6m,5m to 12m randomSpiral steel pipe8" to 36"SCH20,30,40,60,STD XS,80AY ... , SM520C 2. Standard: JIS 3. Product: Welding strcutural steel plate 4. Application: Structural using, welding, and any other constructing uesage. Low price ...