Cr-Mo Alloy Steel Cement Mill Liners Hardness More Than HRC50
Specification
The Cr-Mo Alloy Steel Castings have the following features:
1. Hardness:≥HRC50;
2. Internal Quality: we check the internal quality with UT test;
3. External Quality: we check the external quality with MT test & visual inspection.
Product Photo
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
1T,1.5T,3T, 5T,12T,15T Induction
Electrical Furnaces Heat Treatment Electrical Furnaces
Inspection Facilities
Spectrometer Portable Hardness Tester
UT Test Electronic Metallographic Microscope