Jaw Plates

OEM tailor design

Product name: Jaw plate/Swing Jaw Plate/Fixed Jaw Plate/Movable Jaw Plate/Jaw Crusher Liners

Production process: Casting

Applicable machines: Jaw crushers

Material types: High manganese steel, high manganese steel inlaid alloy rod, high manganese steel + surfacing, high chromium cast iron, alloy steel, etc.

Applicable industries: mining, cement plants, coal, steel, etc.

Our service:

1. Before sales, we will fully understand the customer's working conditions and recommend the most appropriate material selection to the customer.

2. Provide customers with drawings based on their machine models, spare parts dimensions, etc. 

3. After sales, we will continue to pay attention to the usage of the product and provide timely help.



The materials of high manganese steel Jaw plates include Mn13Cr2, Mn18Cr2, Mn13 or Mn18 inlaid tungsten-molybdenum alloy rods and surface surfacing wear-resistant alloys.

Features: Applicable working conditions:suitable for cement plant, poor rock conditions such as send factory.

Applicable working conditions: Suitable for cement plant, poor rock conditions such as send factory.

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Chemical component


 Grade
Chemical component%
CSiMnCrSP
ZG120Mn131.05~1.350.3~0.911~14-≤0.06≤0.04
ZG120Mn13Cr21.05~1.350.3~0.911~141.5~2.5≤0.06≤0.04
ZG120Mn17Cr21.05~1.350.3~0.916~191.5~2.5≤0.06≤0.04
1:Allowed to add microscale V,Ti,B and Re etc.
 2:We can produce the other grade high manganese steel  hammer according to customers’ requirments 。


 Mechanical Property


 Grade
Stretch propertyHardness
 HB
yield strength ReH/Mpatensile strength Rm/MpaElongation at cross section %Shock absorption energyKu2J
ZG120Mn13-≥685≥25≥118≤300
ZG120Mn13Cr2≥390≥735≥20-≤300


We use proper alloying and and related technological measures to make High chromium iron Jaw plates’surface hardness reaches more than 58HRC ,  during the process of wearing will maintain high hardness and high wear resistance.

Applicable working conditions: Suitable for making wearable spare parts with lower impact load and simpler shape.


 Chemical component


 Grade
 Chemical component%
CSiMnCrMoNiCuSP
BTMCr152.0~3.3≤1.2≤2.014~18≤3.0≤2.5≤1.2≤0.06≤0.10
BTMCr202.0~3.3≤1.2≤2.018~23≤3.0≤2.5≤1.2≤0.06≤0.10
BTMCr262.0~3.3≤1.2≤2.023~30≤3.0≤2.5≤2.0≤0.06≤0.10
1:Allowed to add microscale V,Ti,Nb,B and Re etc.
 2:We will choose grade and specific component according to blow bars’ weight ,thickness and sizes


 Mechanical Property


 Grade
 Surface Hardness

 Casting condition

 Harded condition

 Softening annealing condition
HRCHBHRCHBHRCHB
BTMCr15≥46≥450≥58≥650≥41400
BTMCr20≥46≥450≥58≥650≥41400
BTMCr26≥46≥450≥58≥650≥41400

1:There are no exact corresponing value between rockwell hardness(HRC) and brine hardness(HB),so ,this two kind of hardness value can be inspend used 。
 2:The hardness in the 40%deepness of casting section should be lower than 92% hardness of surface.

Alloy steel jaw plate is a widely used at present. It has relatively high hardness and appropriate toughness which is enough to resist the fluid wear and repeated impact of the material, so it shows good wear resistance performance.

Applicable working conditions: Widely used in Cement, Quarry and Mining plants


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