Model Number: 3.00mm G1000 Brand Name: SAILINGBALL Key Specifications/Special Features: Carbon steel ball:Materials availableLow carbon: AISI 1010-1018Medium carbon: AISI 1045High carbon: AISI 1065-1085Application: Light duty bearing, conveyer belt, bicycle and automobile parts, sliding bearing & caster wheelDensity: 7.861g/cm3Grade: G100, G200, G500 & G1000Size: 0.5mm-200mm Carbon steel ballMaterial available 。Low carbon: AISI 1010-AISI1018 。Medium carbon: AISI 1045 。High carbon: AISI 1065-1085 Chemical composition AISI Number C% Si% Mn% P% S% Hardness AISI 1010 0.08~0.13 0.30Max 0.50Max 0.07Max 0.06Max Case hardened AISI 1015 0.13~0.18 0.10~0.30 0.30~0.60 0.04Max 　 Case hardened AISI 1045 0.43~0.50 0.10~0.30 0.60~0.90 0.04Max 0.05Max Through hardened AISI 1085 0.83~0.88 0.10~0.30 0.30~0.70 0.04Max 0.04Max Through hardened Low silicate carbon ball(Si 0.04% Max)also available