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High Chromium Alloyed Casting Bars

Specification
Diameter(mm)
¢8 ¢10 ¢12 ¢14 ¢16 ¢18 ¢20 ¢20*25 ¢25*30 ¢30*35 ¢35*40
Chemical Composition
Name style C Si Mn Cr Mo P S
Normal ZQCr10 1.8-3.2 0.3-1.2 0.2-1.0 10-13 micro- ≤0.10 ≤0.10
Special ZQCr26 2.0-3.0 ≤1.0 0.2-1.0 22-28 ≤1.0 ≤0.10 ≤0.08
ZQCr20 2.0-3.0 ≤1.0 0.2-1.0 18-22 ≤1.0 ≤0.10 ≤0.08
ZQCr17 2.0-3.2 ≤1.0 0.2-1.0 13-18 ≤1.0 ≤0.10 ≤0.08
Properties and Micro-Structure
Name Style HRC Metallographic structure
Quench Not quench
Normal ZQCr10 ≥58 ≥50 M+C
Special ZQCr26 ≥58 ≥45
ZQCr20 ≥58 ≥45
ZQCr17 ≥58 ≥49
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