HRC33-43 Pearlite Cr-Mo Alloy Steel Forging Lifter Bars For Mine Mill
Quick Details
Cr-Mo Alloy Steel Lifter Bars for Mine Mill
1. Hardness difference from surface to center is less than HRc2.
1. The series are designed for high abrasion performance.
3. HRc33-43,
4. AK≥60J.
5.The bolt holes are clean, smooth.
In the recent 20 years, our liners have been widely used in large, medium and small ball mills in Chinese power generation, mining, cement, Chemical engineering and metallurgical industries and super fine pulverizing equipments. It is the only recommended liner product in the latest standard of the electric-power industry in China.
Technical Parameters
Wuxi Orient Anti-wear Engineering Co., Ltd.
Chemical Composition & Mechanical Property of Wear-resistant Castings
| Item | Cr-Mo Alloy Steel I | Cr-Mo Alloy Steel II | Cr-Mo Alloy Steel III | High Cr Alloy Steel |
| C | 0.30~0.50 | 0.65~0.90 | 0.40~0.90 | 1.1~2.2 |
| Si | 0.50~1.20 | ≤0.75 | 0.70~1.20 | 0.60~1.20 |
| Mn | 0.40~1.20 | 0.50~1.20 | 0.60~1.00 | 0.50~1.00 |
| Cr | 1.70~2.50 | 1.50~2.50 | 4.00~7.00 | 11.00~30.00 |
| S | ≤0.04 | ≤0.06 | ≤0.04 | ≤0.04 |
| P | ≤0.04 | ≤0.06 | ≤0.06 | ≤0.06 |
| Mo | ≤0.5 | ≤0.5 | ≤0.5 | 0.10~3.0 |
| Cu | 0.10~0.60 | ≤0.25 | 0.20~0.40 | 0.10~1.00 |
| Ni | ≤0.50 | ≤0.30 | 0~0.30 | 0~0.30 |
| Re | ≤0.02 | ≤0.02 | ≤0.02 | - |
| Equivalent Specifications | DL/T 681-1999 GB/T26651-2011 | AS 2074 L2B Mod | DL/T 681-1999 | GB/T 8263-1999 AS 2027 Cr27 AS 2027 CrMo 15/3 AS 2027 CrMo 20/2/1 ASTM A532 Class III type A 25% Cr ASTM A532Class II type B 15% Cr-Mo BS 4844 3E DIN1695 NFA32401. |
| Material Type | Martensite Steel | Martensite or Pearlitic Cr Mo Steel | Martensite Steel | Martensite matrix |
| Hardness | HRc≥48 | HB470 & HB 321~370 | HRc≥50 | HRc≥56 |
| Impact Value | Ak≥40J | - | Ak≥10J | Ak≥4J |
Our foundry has complete melting, heat treatment and test equipments, such as mid-frequency induction electrical furnaces, quenching and tempering furnaces, blast shot, spectrometer, Rockwell and Brinell Hardness tester, impactor, UT tester and metallographic microscope. We achieved the certificate of quality management system ISO 9001:2008. We have been exporting castings to oversea markets, such as Brazil, Australia and South Africa.
