Cr-Mo Alloy Steel Castings Mill Lining System With UT Test DF072
Quick Details
1. Internal Quality: the cement mill liner passes UT test;
2. External Quality: the mill liner passes MT test.
Description:
1. Hardness: more than HRC50;
2. Impact Value: more than 50J;
3. Special heat-treatment process: Aiming at Cr-Mo alloy steel castings with higher hardness & higher impact value & even hardness distribution,we design a special quenching process,called Double-media quenching technique with water-based quenching liquid.
4. Internal Quality: we check the internal quality with UT test;
5. External Quality: we check the external quality with MT test & visual inspection;
6. Package: Packed by steel pallets.
7. We supplied the cement mill lining to Shanghai Heavy Machinery Plant & Conch Cement Group.
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 white iron | High Cr Alloy Steel | High Manganese Steel | Ni-Hard cast iron |
| C | 0.30~0.50 | 0.65~0.90 | 0.40~0.90 | 2.40~3.20 | 1.1~2.2 | 0.90~1.30 | 2.40~3.60 |
| Si | 0.50~1.20 | ≤0.75 | 0.70~1.20 | 0.60~1.20 | 0.60~1.20 | ≤0.08 | ≤0.80 |
| Mn | 0.40~1.20 | 0.50~1.20 | 0.60~1.00 | 0.50~1.00 | 0.50~1.00 | 11.00~18.00 | ≤2.0 |
| Cr | 1.70~2.50 | 1.50~2.50 | 4.00~7.00 | 12.00~30.00 | 11.00~30.00 | 1.50~2.50 | 1.5~10 |
| S | ≤0.04 | ≤0.06 | ≤0.04 | ≤0.04 | ≤0.04 | ≤0.04 | ≤0.15 |
| P | ≤0.04 | ≤0.06 | ≤0.06 | ≤0.06 | ≤0.06 | ≤0.06 | ≤0.15 |
| Mo | ≤0.5 | ≤0.5 | ≤0.5 | 0.10~3.0 | 0.10~3.0 | ≤1.0 | ≤0.10 |
| Cu | 0.10~0.60 | ≤0.25 | 0.20~0.40 | 0.10~1.00 | 0.10~1.00 | - | - |
| Ni | ≤0.50 | ≤0.30 | 0~0.30 | 0~0.30 | 0~0.30 | - | 3.3~10 |
| 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. | GB/T 5680-1998
DL/T 681-1999
JIS G 5153-1999
ASTM A 128
DIN GX120Mn12
AFNOR:Z120Mn12 | GB/T 8263-1999
AS 2027/Ni-Cr1-550
AS 2027/Ni-Cr2-500
AS 2027/Ni-Cr4-500
AS 2027/Ni-Cr4-600
AS 2027/Ni-Cr4-630
ASTM A 532 1-A,B,C,D
ASTM A 532 2-A,B,C,D,E
ASTM A 532 3-A |
| Material Type | Martensite Steel | Martensite or
Pearlitic Cr Mo Steel | Martensite Steel | Martensite matrix | Austenitic Mn Steel | - |
| Hardness | HRc≥48 | HB470 &
HB 321~370 | HRc≥50 | HRc≥56 | HB≤300 | HRc≥56 |
| Impact Value | Ak≥40J | - | Ak≥10J | Ak≥4J | Ak≥80J | - |
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 9001:2000.We have been exporting castings to oversea markets,such as Brazil,Australia and South Africa.
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