ststainless angle steel bar 1.Standard:AISI,ASTM,GB,JIS,DIN,SUS 2.Material: ... 200 series 300series 400series 3.ISO9001 stainless angle steel bar 1.Standards: AISI,ASTM,GB, JIS, DIN,SUS2.Material:201 ... :machine manufacture,vehicles,ships,construction, chemical industry,food industry,household appliances and other fields.6.Certification: ISO9001