High-Chromium Cast Iron Castings For Cement Industry

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High-Chromium Cast Iron Castings For Cement Industry

High-chromium alloy cast iron wear-resistant castings are manufactured using high-chromium cast iron. By precisely controlling the chromium content and the ratio of alloying elements, these products achieve exceptional hardness and superior wear resistance, making them ideal for applications involving severe abrasive wear.

The microstructure of high-chromium cast iron contains a significant amount of hard carbides, enabling effective resistance to wear caused by materials such as ore, sand, gravel, and cement clinker. Compared to standard cast iron, these castings offer significantly enhanced wear resistance and are particularly well-suited for environments characterized by low impact and high abrasion.

These products are widely used in applications such as vertical mill liners, grinding roller sleeves, wear-resistant crusher components, mining machinery parts, and cement equipment components. Advanced smelting, casting, and heat treatment processes ensure uniform hardness and dimensional stability, meeting the installation requirements of various types of equipment.

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NO. Kinds Brand number C Si Mn Cr Mo Ni Cu S P AK (J/cm²) HRC σb (MPa) Metallographic Structure
1 Medium Carbon Medium Chromium I ZG30Cr5MoRE 0.25~0.35 0.3~1.0 0.3~1.0 4.5~5.5 0.2~1.0 — — ≤0.045 ≤0.045 ≥25 ≥45 — M+B+C
2 Medium Carbon Medium Chromium II ZG40Cr5MoRE 0.35~0.45 0.3~1.0 0.3~1.0 4.5~5.5 0.2~1.0 0.1~0.4 ≤0.1 ≤0.045 ≤0.045 ≥20 ≥48 — M+B+C
3 Medium Carbon Low Alloy Steel ZG40Cr5MoNiRE 0.3~0.5 1.1~1.6 0.3~1.0 1.2~1.8 0.2~0.6 1.4~1.8 — ≤0.04 ≤0.04 ≥30 ≥40 — M+F
4 Low Carbon High Alloy Steel ZG20Cr9NiMo 0.15~0.35 ≤1.0 0.3~1.0 8~10 0.4~0.8 0.5~1.0 — ≤0.045 ≤0.045 ≥40 ≥40 — M+C
5 Cr-Ni-Mo Alloy Steel ZG45Cr3NiMoMn-RE 0.4~0.50 0.3~0.8 0.6~1.2 2.0~3.2 0.3~0.5 — — ≤0.04 ≤0.04 ≥20 ≥50 — M+C
6 90 Chromium Alloy Steel ZG90Cr6MoMn 0.85~0.95 0.4~0.8 0.4~0.8 5~8 0.2~0.4 — — ≤0.045 ≤0.045 ≥7 ≥50 — M+C
7 Conventional High Manganese Steel ZGMn13 1.1~1.4 0.3~1.0 11~14 — — — — ≤0.06 ≤0.10 ≥147 HB≥229 637 A+C
8 Modified High Manganese Steel ZGMn13Cr2MoVTiNbRe 1.1~1.3 0.3~1.0 11~14 1.8~2.5 — Ti:0.2~0.4 — ≤0.06 ≤0.10 ≥80 ≥240 — A+C
9 Super High Manganese Steel ZGMn17Cr2 1.1~1.4 0.3~1.0 16~19 5~2.5 — 4~6 — ≤0.06 ≤0.10 ≥50 ≥260 — A+C
10 Heat Resistant Steel ZG20Cr26Ni5 ≤0.20 ≤0.20 ≤0.20 1.0~2.0 ≤0.5 11~14 — ≤0.04 ≤0.04 — — 590 A+F
11 HH ZG20Cr26Ni12 0.2~0.5 ≤0.20 ≤0.20 24~28 ≤0.5 19~22 0~1.2 ≤0.045 ≤0.045 — — 490 A+F
12 HK ZG40Cr25Ni20 0.35~0.45 ≤0.20 ≤0.20 24~28 ≤0.5 0~1.0 0.8~1.2 ≤0.045 ≤0.045 — — 440 A+F
13 High Chromium Cast Iron KmTBCr15Mo2 2~2.8 ≤1.2 0.5~1.0 23~27 0.2~2.5 0~1.5 0~2.0 ≤0.06 ≤0.10 ≥53 — — M+A+C
14 High Chromium Cast Iron KmTBCr20Mo2 2~3.0 ≤1.2 0.5~1.0 13~18 1.5~2.5 0~1.5 1~2.0 ≤0.06 ≤0.10 ≥3 ≥58 — M+A+C
15 High Chromium Cast Iron KmTBCr26 2~3.0 ≤1.2 0.5~1.0 23~28 0.1~1.0 0~1.0 0~1.0 ≤0.06 ≤0.10 ≥55 — — M+A+C
16 High Chromium Cast Steel ZGCr12SiMn-GT 1.0~2.0 ≤1.2 0.5~2.0 12~14 0.1~1.0 0~1.0 0~1.0 ≤0.06 ≤0.10 ≥3.2 ≥55 — M+A+C
17 High Chromium Cast Steel ZGCr15SiMn-GT 1.0~2.0 ≤1.2 0.5~2.0 15~17 0.1~1.0 — — ≤0.06 ≤0.10 ≥3.5 ≥55 — M+A+C

Application Areas:
Cement industry, mineral processing, power generation, metallurgy, and wear-resistant equipment manufacturing.

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Anhui Ningguo Wanfu New Material Science and Technology Development Co., Ltd. is located at the foot of the Huangshan Mountain -- the capital of wear-resistant materials in China, the provincial high-tech economic and technological development zone, and is a professional manufacturer of wear-resistant materials series products.
Wear-resistant material technology combined with grinding technology as the guide, sets scientific research, design, development, manufacturing, and technical services as one. With a resin sand extrusion model automatic production line, resin sand automatic production line, iron film coated sand casting production line, with no box shape casting production lines, automatic oil quenching heat treatment production line, desktop car and well type heat treatment furnace, shot blasting machine and direct reading spectrometer, chemical analysis instruments, metallurgical microscope, durometer, impact tester, etc. A full set of production and physical and chemical testing equipment...

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