Shougang Steel Balls – Manufacturer and Partner of Grinding Media!
Product Showcase
Contact Us
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
Middle Chrome Cast Cylpebs（Cr:4%-9%）
1. Chemical Composition: Designation, Chemical Composition (%): C Si Mn Cr P S Mo Ni Cu Medium-Chromium Cast Steel Forged (MCCC) ZQCR9 2.0–3.5 0.3–2.2 0.3–1.5 8–9 ≤0.10 ≤0.06 Trace Trace Trace ZQCR8 8–9 ZQCR7 7–8 ZQCR6 2.0–3.5 0.3–1.5 0.3–1.5 6–7 ≤0.10 ≤0.10 Trace Trace Trace ZQCR5 5–6 ZQCR4 4–5 2. Hardness, Impact Toughness, and Microstructure: Designation, Surface Hardness (HRC), Impact Value
Keywords:
Middle Chrome Cast Cylpebs（Cr:4%-9%）
Category:
Product Description
1. Chemical Composition
Name | Grade | Chemical Composition (%) | ||||||||
C | Yes | Mn | Cr | P | S | Mo | Ni | Cu | ||
Medium-chromium cast steel forging (MCCC) | ZQCR9 | 2.0~3.5 | 0.3~2.20 | 0.3~1.5 | 8~9 | ≤0.10 | ≤0.06 | Trace amounts | Trace amounts | Trace amounts |
ZQCR8 | 8~9 | |||||||||
ZQCR7 | 7~8 | |||||||||
ZQCR6 | 2.0~3.5 | 0.3~1.50 | 0.3~1.5 | 6~7 | ≤0.10 | ≤0.10 | Trace amounts | Trace amounts | Trace amounts | |
ZQCR5 | 5~6 | |||||||||
ZQCR4 | 4~5 | |||||||||
2. Hardness, impact toughness, and microstructure
Name | Grade | Surface Hardness (HRC) | Impact value | Microstructure |
Medium Chromium Segment (MCCC) | ZQCR4-ZQCR6 | 47-52 | ≥2 | B+C |
ZQCR7-ZQCR9 | 48-53 | |||
B—Bainite, C—Carbide | ||||
Related products
Consult Now
Please leave your contact information, and we will get in touch with you promptly!