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[China]
Trade Verify
Address: Lejia,Puji Town,Zhangqiu Jinan city,Shandong Province,China
Contact name:Stevin Liu
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd |
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Verified Suppliers
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Why choose Jinan Zhongwei grinding rods :
· Quality Management System certified ISO 9001:2008.
· Environmental management system certified ISO 14001.
· Occupational health and safety management systems certified OHSAS 18001.
· We use the highest quality bar stock available, made with "clean steel" technology.
· Rigidly managed forging process ensuring spherical ball shape.
· High end heat treatment technology, based on Jinan Zhongwei’s years of metallurgical experience guaranteeing long wear life.
· Logistics is a key part of Jinan Zhongwei grinding media offer:
grinding rods for rod mill
Diameter | Length | Surface hardness | Impact test | Tensile strength |
(mm) | (m) | (HRC) | (Ak) | (Mpa/mm²) |
Φ30-140 | 2m-7m | 45-55 | ≥12j/cm2 | ≥1000 |
Chemical Composition
Type | Chemical components | |||||
| C | Mn | Si | Cr | S | P |
45# | 0.42-0.50 | 0.50-0.8 | 0.17-0.37 | ≤0.25 | ≤0.045 | ≤0.040 |
50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
B2 | 0.75-0.85 | 0.70-0.9 | 0.17-0.37 | 0.5-0.8 | ≤0.030 | ≤0.030 |
Diameter (MM) | Cross Sectional Area (MM2) | Theorectical Weight (KG/M) | Weight of 12M Bar (KG) | A Ton Contains 12M Bars (PCS) |
| 6 | 28.27 | 0.222 | 2.664 | 375.38 |
| 8 | 50.27 | 0.395 | 4.74 | 210.97 |
| 10 | 78.54 | 0.617 | 7.404 | 135.06 |
| 12 | 113.1 | 0.888 | 10.656 | 93.84 |
| 14 | 153.9 | 1.21 | 14.52 | 68.87 |
| 16 | 201.1 | 1.58 | 18.96 | 52.74 |
| 18 | 254.5 | 2 | 24 | 41.67 |
| 20 | 314.2 | 2.47 | 29.64 | 33.74 |
| 22 | 380.1 | 2.98 | 35.76 | 27.96 |
| 25 | 490.9 | 3.85 | 46.2 | 21.65 |
| 28 | 615.8 | 4.83 | 57.96 | 17.25 |
| 32 | 804.2 | 6.31 | 75.72 | 13.21 |
| 36 | 1018 | 7.99 | 98.88 | 10.43 |
| 40 | 1257 | 9.87 | 118.44 | 8.44 |
Application:
Packing: In bundles and 20 foot container
Shipping: Port of loading:Qingdao Port,China
Delivery time : Normally 2-3 weeks after down payment received.
Partial shippment allowed
Payment terms : T/T (30% DP,balance against copy of B/L.; L/C
Samples : Free samples are provided for test before trial order
MOQ : 20 Ton
