High Manganese Steel

Work-hardening austenitic steel (Mn13-Mn18) for high-impact crushing. Hardness HB200 to HB500+ under impact.
Wear Parts

High Manganese Steel Wear Parts

Jaw Plates

Jaw Plates

Jaw plates are the primary wear parts in jaw crushers, subjected to high impact and compression. High manganese steel work-hardens under impact, making it ideal for this application. Grade selection depends on feed size and abrasiveness.

Mn13Cr2HB 210-260 (work-hardens to HRC 45-55)

Excellent work-hardening capability; surface hardness increases under impact, ideal for moderate to high impact crushing...

Mn18Cr2HB 230-300 (work-hardens to HRC 48-58)

Higher Mn content provides superior work-hardening depth; 20-30% longer service life than Mn13 in high-compression appli...

Mn22Cr2MoHB 250-320 (work-hardens to HRC 50-60)

Ultra-high Mn + Cr-Mo alloying; maximum work-hardening depth for extreme impact conditions; 30-50% longer life than Mn18...

Hammer Heads

Hammer Heads

Hammer heads in impact crushers experience severe impact and abrasion. Higher Mn grades provide deeper work-hardening for extended service life in primary crushing of abrasive materials.

Mn13Cr2HB 210-260 (work-hardens to HRC 45-55)

Excellent work-hardening capability; surface hardness increases under impact, ideal for moderate to high impact crushing...

Mn18Cr2HB 230-300 (work-hardens to HRC 48-58)

Higher Mn content provides superior work-hardening depth; 20-30% longer service life than Mn13 in high-compression appli...

Mn22Cr2MoHB 250-320 (work-hardens to HRC 50-60)

Ultra-high Mn + Cr-Mo alloying; maximum work-hardening depth for extreme impact conditions; 30-50% longer life than Mn18...

Gyratory Liners

Gyratory Liners

Gyratory crusher liners (mantle and concave) require exceptional work-hardening capability for primary crushing of large rock. Mn18Cr2 and Mn22Cr2Mo are preferred for their deeper hardening layer under extreme compression.

Mn18Cr2HB 230-300 (work-hardens to HRC 48-58)

Higher Mn content provides superior work-hardening depth; 20-30% longer service life than Mn13 in high-compression appli...

Mn22Cr2MoHB 250-320 (work-hardens to HRC 50-60)

Ultra-high Mn + Cr-Mo alloying; maximum work-hardening depth for extreme impact conditions; 30-50% longer life than Mn18...

Impact Bars

Impact Bars

Impact bars (blow bars) in impact crushers require high toughness with good work-hardening. Mn13Cr2 provides cost-effective performance for medium-impact applications, while Mn18Cr2 offers extended life for high-impact conditions.

Mn13Cr2HB 210-260 (work-hardens to HRC 45-55)

Excellent work-hardening capability; surface hardness increases under impact, ideal for moderate to high impact crushing...

Mn18Cr2HB 230-300 (work-hardens to HRC 48-58)

Higher Mn content provides superior work-hardening depth; 20-30% longer service life than Mn13 in high-compression appli...

Material Grades & Specifications

High Manganese Steel — Material Grades & Specifications

Mn13Cr2ASTM A128 Grade B-2 / GB ZGMn13-2
HardnessHB 210-260 (work-hardens to HRC 45-55)
ToughnessAKV ≥ 80J
Tensile≥ 750 MPa
Yield≥ 380 MPa
ModelsCSiMnCrMoNi
Mn13Cr21.05-1.20≤1.011.5-14.01.5-2.5

Excellent work-hardening capability; surface hardness increases under impact, ideal for moderate to high impact crushing conditions

Mn18Cr2ASTM A128 Grade B-4 / GB ZGMn18Cr2
HardnessHB 230-300 (work-hardens to HRC 48-58)
ToughnessAKV ≥ 60J
Tensile≥ 800 MPa
Yield≥ 420 MPa
ModelsCSiMnCrMoNi
Mn18Cr21.05-1.35≤1.016.0-19.01.5-2.5

Higher Mn content provides superior work-hardening depth; 20-30% longer service life than Mn13 in high-compression applications

Mn22Cr2MoPremium Hadfield / GB ZGMn22Cr2Mo
HardnessHB 250-320 (work-hardens to HRC 50-60)
ToughnessAKV ≥ 50J
Tensile≥ 850 MPa
Yield≥ 450 MPa
ModelsCSiMnCrMoNi
Mn22Cr2Mo1.10-1.40≤1.020.0-24.01.5-2.50.30-0.60

Ultra-high Mn + Cr-Mo alloying; maximum work-hardening depth for extreme impact conditions; 30-50% longer life than Mn18

Mn18Cr2+TiCTitanium Carbide Reinforced Mn18 / Composite
HardnessHRC 58-65 (TiC inserts) / HB 230-300 (matrix)
ToughnessAKV ≥ 40J (matrix)
Tensile≥ 800 MPa
Yield≥ 420 MPa
ModelsCSiMnCrTiCMo
Mn18Cr2+TiC1.05-1.35≤1.016.0-19.01.5-2.58-15 vol%

TiC ceramic inserts in Mn18 matrix; 2-3x wear life in abrasive conditions; ideal for hard rock cone crushing

Gallery

High Manganese Steel

Materials

Material Classification

High Chrome Cast IronCr-Mo Alloy SteelCeramic & Carbide CompositesBimetal CompositeRubber & PolyurethaneHardfacing & RepairSpecial Alloys

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