High-manganese steel product series
High-manganese steel product series
High-manganese steel product series
High-manganese steel product series
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  • High-manganese steel product series
  • High-manganese steel product series
  • High-manganese steel product series
  • High-manganese steel product series

I. Introduction to the High-Manganese Steel Product Series

High-manganese steel is a wear-resistant steel series renowned for its exceptional toughness and strong work-hardening properties, making it particularly suitable for applications involving high-impact and high-stress conditions. Its typical grades include Mn13 (ZGMn13) and a range of modified variants.

Core features:

Characteristics

Principle

Numerical Performance

Work Hardening Property

Under impact loading, a martensitic phase transformation occurs in the surface layer, causing the hardness to jump from HB200 to over HB500.

Hardened layer depth: 5-15mm

Ultra-high toughness

The fully austenitic microstructure absorbs impact energy, with a tensile strength ≥800 MPa.

Impact toughness: ≥150 J (retains performance even at -40°C)

Impact fatigue resistance

Under cyclic impact, the hardened layer and ductile matrix synergistically resist cracking.

3 to 5 times higher crack resistance than ordinary steel

II. Mainstream Grades and Applicable Scenarios

1. Classic Mn13 series (Chinese Standard ZGMn13) composition: C 1.1–1.4%, Mn 11–14%, Si 0.3–0.8%, P/S ≤ 0.05%. Heat treatment: 1050°C water toughening treatment (austenitizing + water quenching).

Applicable components: Jaw crusher jaw plates (for high-impact applications), cone crusher mantle liners, and excavator bucket teeth (requiring complementary surfacing welding for reinforcement).

High-manganese steel

Brand Name

Core Improvements

Performance Enhancement

Typical Application Scenarios

Mn13Cr2

Add 1.5–2.5% Cr

Hardness increases by 15%, wear resistance improves by 30%.

Iron ore crusher liner

Mn18Cr2

Ultra-high manganese + chromium (Mn ≥ 17%)

Initial hardness HB250, hardened layer HB550+

Large Rotary Crusher Body Lining Plates

Mn13Mo

Add 0.2–0.5% Mo

Refine grain structure, increasing fatigue resistance by 50%.

Vibration screen box, hammer crusher hammer head

Mn13RE

Add 0.03–0.1% mixed rare earth elements

Impact toughness increases by 20%, and low-temperature toughness is improved.

Polar mining equipment components

III. Key Control in Manufacturing Processes

Smelting and Casting

Vacuum deoxidation: Reducing oxygen content to ≤30 ppm (minimizing inclusions)

Low-temperature pouring: 1480–1520°C (to prevent manganese burn-off)

Chill Optimization: Electromagnetic thermal chills for shrinkage compensation, reducing shrinkage porosity by up to 90%.

Surface Enhancement Technology

Explosive Hardening: Pre-hardened surface up to HB350, reducing early wear

Tungsten carbide surfacing: WC cladding applied to tooth tips/edges, extending service life by up to 200%.

The Three Indispensable Applications of High-Manganese Steel

Super-strong Impact: Crusher Feeder with Ore Free-Fall Height > 5m

Multi-directional Stress: Cone Crusher Mantle Wall (3D Compressive Stress)

Ultra-low-temperature environment: -50°C polar mining equipment (austenitic structure remains non-brittle)

High-manganese steel, with its unique property of becoming "harder under impact," remains the material of choice for high-kinetic-energy wear scenarios in industries such as mining, metallurgy, and building materials.


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High-manganese steel product series
High-manganese steel product series
High-manganese steel product series
High-manganese steel product series
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  • High-manganese steel product series
  • High-manganese steel product series
  • High-manganese steel product series
  • High-manganese steel product series

High-manganese steel product series

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