Heat Treatment Large Ball Mill SAG Castings For Iron Mine
Specification
1. Material:Cr-Mo Alloy Steel
2. Hardness:HB310-375 (equivalent to HRC33-42)
3. Impact Value:AK≥10J
4. Standard:AS2074 / L2B
5. Application:Widely used in AG Mill,SAG Mill and Ball Mills
6. Customer:Metso,Outotec,etc...
7. Process:sand casting process and air quenching
8. Long Service life(More than 2 times as much as High Mn Steel)
9. High strength, high hardness and high toughness
Technical Parameters
| Item | Cr-Mo Alloy Steel Ⅰ | Cr-Mo Alloy Steel Ⅱ | Cr-Mo Alloy Steel Ⅲ |
| C | 0.3-0.5 | 0.65-0.90 | 0.4-0.9 |
| Si | 0.15-1.20 | ≤0.75 | 0.7-1.2 |
| Mn | 0.4-1.2 | 0.5-1.2 | 0.6-1.0 |
| Cr | 1.7-2.5 | 1.5-2.5 | 4.0-7.0 |
| S | ≤0.04 | ≤0.06 | ≤0.04 |
| P | ≤0.04 | ≤0.06 | ≤0.06 |
| Mo | ≤0.5 | ≤0.5 | ≤0.15 |
| Cu | 0.1-0.6 | ≤0.25 | 0.2-0.4 |
| Ni | ≤0.5 | ≤0.3 | 0-0.3 |
| Re | ≤0.02 | ≤0.02 | ≤0.02 |
| Equivalent
Specification | DL/T 681-1999
GB/T26651-2011 | AS2074L2B Mod | DL/T 681-1999 |
| Material Type | Martensite Steel | Martensite or Pearlitic
Cr Mo Steel | Martensite Steel |
| Hardness | HRC≥48 | HB470&HB321-370 | HRC≥50 |
| Impact Value | AK≥40J | - | AK≥10J |
Production Facilities
5T,12T,15T Induction Electrical Furnaces Heat Treatment Electrical Furnaces
Inspection Equipments
Spectrometer Portable Hardness Tester
UT Test Electronic Metallographic Microscope
Production Process
Honor
About us
We are a Chinese specialized manufacturer of wear, heat and corrosion-resistant castings. Our main products
are ball mill liners, grinding media and wear parts for crushers.
For the foundry, the area is about 30,000 square meters.The capacity of our new foundry is 30,000MT/year
and the single piece is from 15kg to 20tons. The capacity of Mid-frequency induction electric furnaces are
15tons,12tons,5tons,2tons, 1.5tons and 1.2tons. And we have 10 sets of heat-treatment electrical furnaces
with capacity of 30 tons, 10 tons,3 tons.
