... standards 2.different size, diameter Stainless Steel Round Bars:We offer stainless steel round bars with high quality stainless steel that meets ... forms.Specifications:0.5mm, 1mm, 2 mm, 3mm, 4mm, 5mm, 6mm, 8mm, 9mm, 10mm, 12mm, 14mm, 15mm, 16 mm, 17 mm ... , 321, 347- AISI 410, 416, 420, 430, 431 Stainless Steel Round Bar