Crusher Blow Bars

OEM tailor design

Product name: Blow Bars 、Impact Crusher parts

Production process: Casting

Applicable machines: Various models of Impact Crushers

Material types: High manganese steel,high chrome, high manganese steel inlaid alloy rod & Hardfacing, 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.

If you need detailed technical information of the product or cannot find the product you need on the website, please email us（cnwearparts@lyzhili.com）, because we are a customized factory for crusher spare parts.

Grade	Chemical component%
ZG120Mn13	1.05~1.35	0.3~0.9	11~14	-	≤0.06	≤0.04
ZG120Mn13Cr2	1.05~1.35	0.3~0.9	11~14	1.5~2.5	≤0.06	≤0.04
ZG120Mn17Cr2	1.05~1.35	0.3~0.9	16~19	1.5~2.5	≤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 。

Grade

Chemical component%

ZG120Mn13

1.05~1.35

0.3~0.9

11~14

≤0.06

≤0.04

ZG120Mn13Cr2

1.05~1.35

0.3~0.9

11~14

1.5~2.5

≤0.06

≤0.04

ZG120Mn17Cr2

1.05~1.35

0.3~0.9

16~19

1.5~2.5

≤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 。

Grade	Stretch property	Hardness HB
ZG120Mn13	-	≥685	≥25	≥118	≤300
ZG120Mn13Cr2	≥390	≥735	≥20	-	≤300

Grade

Stretch property

Hardness
HB

yield strength ReH/Mpa

tensile strength Rm/Mpa

Elongation at cross section %

Shock absorption energyKu2J

ZG120Mn13

≥685

≥25

≥118

≤300

ZG120Mn13Cr2

≥390

≥735

≥20

≤300

Grade	Chemical component%
BTMCr15	2.0~3.3	≤1.2	≤2.0	14~18	≤3.0	≤2.5	≤1.2	≤0.06	≤0.10
BTMCr20	2.0~3.3	≤1.2	≤2.0	18~23	≤3.0	≤2.5	≤1.2	≤0.06	≤0.10
BTMCr26	2.0~3.3	≤1.2	≤2.0	23~30	≤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

Grade

Chemical component%

BTMCr15

2.0~3.3

≤1.2

≤2.0

14~18

≤3.0

≤2.5

≤1.2

≤0.06

≤0.10

BTMCr20

2.0~3.3

≤1.2

≤2.0

18~23

≤3.0

≤2.5

≤1.2

≤0.06

≤0.10

BTMCr26

2.0~3.3

≤1.2

≤2.0

23~30

≤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

Grade	Surface Hardness
BTMCr15	≥46	≥450	≥58	≥650	≥41	400
BTMCr20	≥46	≥450	≥58	≥650	≥41	400
BTMCr26	≥46	≥450	≥58	≥650	≥41	400
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.

Grade

Surface Hardness

Casting condition

Harded condition

Softening annealing condition

HRC

BTMCr15

≥46

≥450

≥58

≥650

≥41

400

BTMCr20

≥46

≥450

≥58

≥650

≥41

400

BTMCr26

≥46

≥450

≥58

≥650

≥41

400

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.

Crusher Blow Bars

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