Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
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B2 steel round bar High Performance Forging Grinding Rod Dia 20mm - 90 mm
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