Grinding steel rod/bars are used in rods mill machine to assist in the extraction process for many metals such as gold, copper, lead, zinc, iron, nickel, tin, chrome and silver.
Shandong Huamin Steel Ball Co., Ltd have a wide range of hardness balls being provided in standard sizes, the ball hardness profiles to maximize wear and impact
performance, customized product is available to meet milling and ore conditions.
We hold the only one automatic grinding steel bars production line with special and scientific heating treatment with capacity 50 metric tons per day.
The grinding steel bars have gotten high reputations for their high hardness, good wear resistance, it can save your
production cost 30% at least comparing the steel bars you used directly purchased from the steel plant.
Shandong Huamin Steel Ball Co., Ltd have a wide range of hardness balls being provided in standard sizes, the ball hardness profiles to maximize wear and impact
performance, customized product is available to meet milling and ore conditions.
We hold the only one automatic grinding steel bars production line with special and scientific heating treatment with capacity 50 metric tons per day.
The grinding steel bars have gotten high reputations for their high hardness, good wear resistance, it can save your
production cost 30% at least comparing the steel bars you used directly purchased from the steel plant.
steel bars specification:
Type A:
Diameter: 60mm - 100mm
Length: 3 Meter – 6 Meter
Hardness: HRC20-30, Hardness: HRC45-55;
Chemical Elements: (%)
C:0.48~0.65 Mn: 0.6-1.20; Si: 0.17-0.37; P: 0.04 Max, S:0.04 Max; Cr: 0.04 Max
Type B:
Diameter: 60mm - 90mm
Length: 3 Meter – 6 Meter
Hardness: HRC25-35; Hardness: HRC45-55;
Chemical Elements (%):
C: 0.72-0.90; Mn: 0.7-1.0; Si: 0.17-0.37; P:0.035 Max, S:0.035 Max; Cr: 0.28-0.60
Type C
Diameter: 60mm - 90mm
Length: 3 Meter – 6 Meter
Hardness: HRC20-30, Hardness: HRC50-60;
Chemical Elements (%):
C: 0.35-0.55; Mn: 0.5-1.0; Si: 0.17-0.37; Cr: 0.8-1.20; P:0.035 Max, S:0.035 Max; Ni:0.30 Max, Mo:0.30Max;
2.Packing: bundle packing 3-10 pcs per bundle; (About 1 Ton-2 Ton per bundle)
3.Payment terms: T/T, L/C;
4. Production Time: Normally 10-30 days after receiving the advanced payment;