Stainless steel square bar: 1. Standard: AISI,ASTM, GB, DIN 2. Certification: ISO9001:2000 3. Shape: square Stainless steel square bar:1. Standard: AISI,ASTM, GB,DIN2. Certification: ISO9001:20003. Shape: square4. Size: 5mm*5mm-400mm*400mm 5. Various steel square bars can be made as per customer's requirements.6. Main grades: 201,202,301, 304, 310s, 316, 316L, 321, 904L,etc.7. Application: ...