... ”~12”(DN15~DN300) Wall Thickness: SCH10S~SCHXXSNon-standard pipe: Made according to drawings you supplied.Standard:GB,ASTM,ASME, JIS, EN, DIN, GOSTGrade ... , BV, CCS, DNV, GL ,KR ,NK ,LROrder info: Product name, Standard, Size(OD,WT, Length/each piece), Packing, Technical files. Trade term ...