Manganese 13 (12-14% Manganese) Material Analysis Report

2025-06-19

Manganese 13 (12-14% Manganese) Material Analysis

1. Material Overview

Manganese 13 (Mn13) is a high-manganese wear-resistant steel belonging to the austenitic steel category, with a manganese content of 12-14%. Through special Casting processes and heat treatment, this steel exhibits excellent work-hardening ability and impact resistance, making it outstanding under strong impact and high-pressure working conditions.

2. Chemical Composition

Element	Content Range (%)	Main Function
C	0.9 - 1.5	Improve hardness and strength
Mn	12 - 14	Form austenitic structure, provide work-hardening ability
Si	0.3 - 1.0	Deoxidizer, enhance steel fluidity
P	≤0.07	Impurity, reduces toughness (strict control required)
S	≤0.05	Impurity, reduces hot workability (strict control required)
Cr	≤2.0 (optional)	Improve wear and corrosion resistance
Mo	≤1.0 (optional)	Refine grain size, enhance strength and hardenability

3. Performance Characteristics

Work-Hardening Property: Under impact loading, the surface hardens rapidly, with hardness increasing from the original HB170-230 to HB500-550, forming a wear-resistant surface layer while maintaining core toughness.
High Toughness: Elongation ≥20%, impact toughness ≥140J/cm², suitable for high-impact environments.
Wear Resistance: 5-10 times more wear-resistant than ordinary Carbon Steel under high-impact conditions.
Fatigue Resistance: The austenitic structure provides good fatigue resistance.

Mechanical Properties Table

Property	Typical Value	Test Standard	Note
Tensile Strength	≥650 MPa	GB/T 228	After water toughening treatment
Yield Strength	≥350 MPa	GB/T 228	After water toughening treatment
Elongation	≥20%	GB/T 228	Room temperature tensile test
Impact Toughness	≥140 J/cm²	GB/T 229	Charpy impact test at room temperature
Hardness	HB 170 - 230	GB/T 231.1	Original hardness after water toughening
Work-Hardened Hardness	HB 500 - 550	-	Surface hardness after impact loading

4. Application Industries

Mining Industry: Crusher jaws, hammers, etc.
Cement Industry: Mill liners, chutes, etc.
Metallurgical Industry: Hoppers, jaw plates, etc.
Railway Industry: Railway switches, etc.
Power Industry: Coal mill components, etc.

5. International Grade Comparison

Standard	China	USA	Germany	Japan
Grade	ZGMn13	ASTM A128 Gr.A	X120Mn12	JIS G5131 SMnH13

13% Manganese Casting.jpg