Mining Machinery Standard High-Manganese Steel Castings

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Mining Machinery Standard High-Manganese Steel Castings

These wear-resistant castings for mining machinery are precision-cast from high-manganese steel alloys. Characterized by high strength, high toughness, and excellent work-hardening properties, they are widely used in industries such as mining, metallurgy, and construction materials.

When subjected to intense impact or compression, a hardened layer rapidly forms on the surface of the casting, enhancing wear resistance, while the core retains its toughness to effectively prevent fracture and deformation. These products are particularly well-suited for high-impact operating environments, such as crusher components, mill liners, track parts, and wear parts for excavation equipment.

Optimized chemical composition and heat treatment processes ensure a stable microstructure and superior mechanical properties. Products can be customized according to specific equipment models and operating conditions to meet diverse wear-resistance requirements.

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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 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 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-Mo-Ni 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 Ordinary 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 ZGMn13r2MoVTiNbRe 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 ≤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

Product Features:
High-manganese steel material with excellent toughness;
Superior work-hardening capability;
High impact resistance and fracture resistance;
Suitable for high-impact, high-wear environments;
Customization available for non-standard dimensions.

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Who We Are

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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