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• Nonferrous metal
• Mining supplies products

Mining supplies products

We supplier Air Compressors, Drilling Machine, Rail, Grinding machine, Grinding Machine Steel Balls, Pakcign Bags, Transformed Containers for mining industry.

Steel Ball

Alloyed Casting Iron Balls Size：Dia 20-150mm Hardness：Hrc 50-60 HARDNESS： Sizes Surface Core DIA 40-60 MM HRC60-64 HRC59-63 DIA 70-80 MM HRC60-64 HRC58-62 DIA 90-100 MM HRC60-64 HRC57-61 DIA 110-140 MM HRC55-60 HRC52-58

Alloyed Casting Iron Balls SIZE：φ17-φ100mm MECHANICAL： NAME BRAND SURF HARDNESS ENDURANCE IMPACT TEST (TIMES) QUENCHED UNQUENCHED HIGH CHROME CASING IRON BALL ZQCr26 ≥56 ≥45 ≥8000 HIGH CHROME CASING IRON BALL ZQCr20 ≥56 ≥45 ≥8000 HIGH CHROME CASING IRON BALL ZQCr15 ≥56 ≥49 ≥8000 MIDDLE CHROME CASING IRON BALL ZQCr8 - ≥48 ≥8000 LOW CHROME CASING IRON BALL ZQCr2 - ≥45 ≥8000 BAINTE DUCTILE CASING IRON BALL ZQSi3 ≥50 - ≥8000 SIZE OF CASTING BALLS ITEMS SIZES φ 10 φ 15 φ 20 φ 25 φ 30 φ 40 φ 50 φ 60 φ 70 φ 80 φ 90 φ 100 φ 110 φ 120 φ 130 TOLERANCE +1.0 -0.5 +2.0 -1.0 +3.0 -1.0 +3.5 -1.5 DIFFEREENCE BEITWEEN MAX DIAM AND MIN DIAM ≤1.0 ≤2.0 ≤3.0 ≤4.0