Modified High-Manganese Wear Steel Castings

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Modified High-Manganese Wear Steel Castings

Modified alloy high-manganese steel wear-resistant castings are a new type of product optimized through the addition of alloying elements—such as chromium, molybdenum, and nickel—to the traditional high-manganese steel base. Compared to standard high-manganese steel products, this modified version offers superior strength, enhanced wear resistance, and a more consistent service life.

Utilizing advanced casting processes and heat treatment technologies, these castings feature a highly uniform and dense internal microstructure, ensuring excellent overall performance in high-impact and high-load operating environments. While retaining the exceptional toughness characteristic of high-manganese steel, the product offers improved resistance to abrasive wear, making it suitable for long-term, continuous operation under demanding conditions.

These modified high-manganese steel castings are widely used for wear-prone components such as crusher parts, mill liners, impact plates, hammer heads, and excavator bucket teeth, effectively reducing equipment maintenance frequency and boosting production efficiency.

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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:
Mining equipment, aggregate production lines, the cement industry, metallurgical equipment, and construction machinery.

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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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