Crusher Blow Bars / Impact Plates

OEM tailor design

Product name: Blow Bars 、Impact Plates、Impact Crusher hammer

Production process: Casting

Applicable machines: Various models of Impact Crushers

Material types: High manganese steel, high manganese steel inlaid alloy rod, Ceramic metal composite,bimetal composite, 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 blow bars 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.

11_r1_c1.jpg


 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 blow bars’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.

In the process of using ceramic blow bars, because ceramic high chromium cast iron have excellent wear resistance that other wear-resistant materials can not match, it greatly reduces the consumption of user materials and the labor cost of replacing wear-resistant parts, and becomes the representative of a new generation of wear-resistant materials.

Blow Bars


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