- Contact Person : Mr. GAO WEI
- Company Name : Zhangqiu Donghan Artistic Iron Co., Ltd.
- Tel : 0086-531-83808762
- Fax : 0086-531-83804482
- Address : Shandong,Zhangqiu,YANGJUN ZONE GUANZHUANG TOWN ZHANGQIU CITY SHANDONG PROVINCE CHINA
- Country/Region : China
- Zip : 250217
High chrome steel ball
High chrome steel ball:
Our product has obtainednOur products have obtained ISO 9001 ---2000 International Quality System Authentication, and also our company has passed ISO14001--2004 Environmental System Management Authentication.
1.No deformation
2.No breakable
3.Grinding resistant
4.Lower wear rate and longer lasting chromium
| 5.Chemical elementes | |||||
| C | Si | Mn | S | P | Cr |
| 0.61-0.68 | 0.2-0.4 | 0.8-1.2 | ≤0.030 | ≤0.030 | 0.9-1.2 |
6.applied field:
globe mill, cements plants, chemical industries,power stations,etc
7.the process line of production:
Raw material→ cutting→ W.B stove→ forging→ roll forging→ transfer machine →quenching→ heat treatment→ dimension test→ hardness teat →packing→ transportation→sea freight
Nominal diameter(mm) | Diametrical tolerance(mm) | Weight of single forging ball in average(g) | Number of piece of one ton forging ball in average | Surface hardness(HRC) | impact TIUGHNESS(j/cm2) |
dia20 dia25 dia30 dia40 dia50 | +2 -1 | 32 64 110 263 513 | 31250 15625 9090 3802 1949 | 50~65 | 12 |
dia60 dia70 dia80 dia90 dia100 | +3 -2 | 888 1410 2104 2996 4110 | 1126 709 475 333 243 | 50~65 | 12 |
dia110 dia120 dia130 | +4 -2 | 5457 7102 9030 | 182 140 110 | 45~60 | 12 |
dia140 dia150 | +4 -3 | 11278 13871 | 88 72 | 45~60 | 12 |
High chrome steel ball
