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Shougang Metallurgical Building Materials Co., Ltd., Fengrun District, Tangshan City
Address: Baiguantun Economic Development Zone, Fengrun District, Tangshan City, Hebei Province
Website: www.sgsteelball.cn
Website: www.sgsteelball.com
Mill cylinder liner
1. Chemical Composition: Grade and Chemical Composition (%): ZTCr182-30-1.2 0.5–1 18–20 0.5–1.0 0–1.5 0–1.2 ≤0.06 ≤0.10 ZTCr242-30-1.2 0.5–1 24–26 0.5–1.0 0–1.5 0–1.2 ≤0.06 ≤0.10 Chromium‑molybdenum alloy steel: ZGCr121-1.8 0–1.2 0.5–2 12–14 0–10 0–10 ≤0.06 ≤0.10 2. Hardness, impact toughness, microstructure…
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Mill cylinder liner
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Product Description
1. Chemical Composition
|
Type |
Grade |
Chemical Composition (%) |
||||||||
|
C |
Yes |
Mn |
Cr |
Mo |
Ni |
Cu |
S |
P |
||
|
High-chromium cast iron |
ZTCr18 |
2-3 |
0-1.2 |
0.5-1 |
18-20 |
0.5-1.0 |
0-1.5 |
0-1.2 |
≤0.06 |
≤0.10 |
|
ZTCr24 |
2-3 |
0-1.2 |
0.5-1 |
24-26 |
0.5-1.0 |
0-1.5 |
0-1.2 |
≤0.06 |
≤0.10 |
|
|
Chromium-molybdenum alloy steel |
ZGCr12 |
1-1.8 |
0-1.2 |
0.5-2 |
12-14 |
0-1 |
0-1 |
0-1 |
≤0.06 |
≤0.10 |
2. Hardness, impact toughness, and microstructure
|
Type |
Grade |
Hardness |
Hardness |
Impact toughness (AkJ/cm²) 2 ) |
Microstructure |
|
High-chromium cast iron |
ZTCr18 |
≥HRC58 |
≥660 |
≥10 |
M+A+C |
|
ZTCr24 |
≥HRC58 |
≥660 |
≥10 |
M+A+C |
|
|
Chromium-molybdenum alloy steel |
ZGCr12 |
HRC33-43 |
HB310-370 |
≥10 |
M+A+C |
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