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20mm 22mm 25mm Precision Ground Stainless Steel Round Bar Bending Size O.D 8-480mm Length 1-12m Standard AISI,ASTM,GB,DIN,BS,JIS Grade 12Cr1MoV Cr5Mo 15CrMo 30CrMo 40CrMo 20SiMn 12Cr1MoVG 15CrMoG ...