AS2074 L / 2B Steel Cr-Mo Alloy Steel Castings For Composite Rubber
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Wuxi Orient Anti-wear Engineering Co.,Ltd.
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AS2074 L / 2B Steel Cr-Mo Alloy Steel Castings For Composite Rubber
Quick Details
Cr-Mo Alloy Steel Castings used in Composite Rubber Feature:
1.Cr-Mo Alloy Steel Castings have popular application in Australian mines;
2. Steel casting can be safely used in AG mills.
Cr-Mo Alloy Steel Castings used in Composite Rubber Description:
a. The hardness for Pearlitic CrMo Cast Steel Cap: HRc33~42 (HB310~390); Steel caps shall be sample hardness tested at approximately ten percent(10%) random selection;
b. Microstructure: Predominantly pearlite;
c. Chemical Composition: Every furnace heat shall be analysed by Spectrometer; A conforming sample shall be obtained from each furnace heat prior to pouring the mould(s);
d. Dimensional Checking & Gauging: 100% check; be compliance to drawing dimensions within specified tolerances;
1. By visual inspection, e.g. where a cross joint or other dimensional or shape defect is evident, dimensions shall be verified to drawing;
2. By gauges manufactured to check specific features or dimensions of individual casting;
e. Casting Soundness: Level 2 of AS2574 or equivalent standard, 10% of order selected at random to be free of shrinkage with UT; Assessment of casting soundness and internal integrity shall be by ultrasonic testing; Sectioning by cutting may be only be used as a macro view test, as the cutting process may remove the area of unsoundness;
f. Surface Finish: Visual inspection after shot blasting; To achieve an acceptable level of surface texture, freedom from defects and extraneous material or rust that have the potential to reduce wear-life or the effective bonding of a rubber product;
1. All wear surface to be free from surface defects that may affect fitness for purpose, and any from of grease or oil;
2. All wear surface to be free from any raised features or markings above the wear face;
3. All bonding surface to be free of defects that affect fitness for purpose and to be free of rust, scale and any form of grease or oil.
g. Reporting: Providing process, inspection & test result data by which
specification compliance can be traced.
1. To provide process, inspection and test result data by which specification compliance can be traced;
2. To provide a means by which steel cap performance, may be correlated to manufacturing data with respect to chemical composition, heat treatment, and hardness.
h. Cr-Mo Alloy Steel Castings used in AG mill & SAG mill.
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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 |