Stainless Steel Square Bar ISO 9001 1000 TONS PER MONTH Stainless steel square bar (410, 420, 416, 1Cr13, 2Cr13...) 1) Material: 400 series stainless steel 2)Processing methods: Hot rolled and Cold drawn 3)Surface: Black or Bright 4)Size: 12mm*12mm-42mm*42mm 5) Standards: GB, JIS, DIN, ASTM, etc 316 Stainless Steel Square Bar