Product Name:Stainless steel bar OD:8-400mm Certification:ISO9001 Stainless steel bar1>Standards:GB,ASTM,DIN,JIS2> ... pipGB3087-200810#,20#Apply to boiler filed.Stainless steel pipeASTMA312/A312M94bASTMA269-94AASTMA240DIN17440DIN17224DIN17459-92SS201,202,231,304,304L, ... pipe10#,20#,45#,16Mn,Q345BGB/T8162-1999For generally structure usingFertilizer tube20#,20G,16Mn 12Cr2MoGB6479-2000Applied to fertilizer ...