Wuxi Orient Anti-wear Engineering Co.,Ltd.
Chen's Liner China Best Liner Most Professional Wear-resistant Castings Manufacturer
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A3 Steel Nut Bolt Units Grinding Mill Liner Bolts Abrasion Resistant
Quick Details
1. Bolt material:40Cr；
2. Bolt strength:8.8 Grade；
3. Nut material:A3 steel；
Bolt Units for Grinding Mill
1. Bolt material:40Cr；
2. Bolt strength:8.8 Grade；
3. Nut material:A3 steel；
4. One bolt unit includes a M24 bolt,a nut,a rubber washer,a concave washer and a spring washer.
5. The bolt units can match the bolt holes of the liners very well.
Application :mill liners
Material :steel
Microstructure:Predominantly pearlite
Dimensions :as per drawings
Surface Quality :Good surface quality after shot blasting
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 9001:2008.We have been exporting castings to oversea markets,such as Brazil, Australia and South Africa.