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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
Low Chrome Cast Cylpebs（Cr:1%-3%）
1. Chemical Composition: Designation and Chemical Elements | Designation | C | Si | Mn | Cr | P | S | Mo | Ni | Cu | |-------------------|------|------|------|------|------|------|------|------|------| | LCCC (Low-Chromium Cast Steel, Forged) | ZQCR3 | 2.1–3.6 | 0.3–1.5 | 0.3–1.5 | 3–4 | ≤0.10 | ≤0.10 | Trace | Trace | Trace | | ZQCR2 | 2–3 | | ZQCR1 | 1–2 | | ZQCR0 | 0.2–1 | 2. Hardness, Impact Toughness, and Microstructure | Designation | Surface Hardness (HRC) | Bulk Hardness (HRC) | Impact Value (AkJ/cm²) | Microstructure | | LCCC (Low-Chromium Cast Steel, Forged) | ZQCR1–ZQCR3 | 45–50 | 45–49 | ≥ |
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Low Chrome Cast Cylpebs（Cr:1%-3%）
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Product Description
1. Chemical Composition
Name | Grade | Chemical composition | ||||||||
C | Yes | Mn | Cr | P | S | Mo | Ni | Cu | ||
Low-Chromium Cast Steel Forging (LCCC) | ZQCR3 | 2.1~3.6 | 0.3~1.50 | 0.3~1.5 | 3~4 | ≤0.10 | ≤0.10 | Trace amounts | Trace amounts | Trace amounts |
ZQCR2 | 2~3 | |||||||||
ZQCR1 | 1~2 | |||||||||
ZQCR0 | 0.2~1 | |||||||||
2. Hardness, impact toughness, and microstructure
Name | Grade | Surface hardness | Volumetric hardness (HRC) | Impact value | Microstructure |
Low-Chromium Cast Steel Forging (LCCC) | ZQCR1-ZQCR3 | 45-50 | 45-49 | ≥1.5 | P+C |
ZQCR0 | 40-45 | 40-44 | |||
P—Pearlite, C—Carbide | |||||
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