Steel Balls, Available in Different Sizes and Grade Model Number:Steel Balls Stainless steel balls: size from 3/8 to 20 inches (DN10 to DN500), material AISI 301, 304, 304L, 361 or 316L, ISO9001 approvals Chrome steel balls: material in GCr15 (E52100/100Cr6) Grades: G10, G25, G60, G100 or G500 Size: 0.5 to 50.8mm Hardness: HRC60 to 66 Carbon steel balls: material: AISI1010&1015 Grades: G100, G200, G500 or G1000 Size: 1/8 to 1 inches Hardness: HRC60 to 66.5

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