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60MN 65MN 75MN B2 40Cr 45# Forged steel balls

60MN 65MN 75MN B2 40Cr 45# Forged steel balls

60MN 65MN 75MN B2 40Cr 45# Forged steel balls
60MN 65MN 75MN B2 40Cr 45# Forged steel balls 60MN 65MN 75MN B2 40Cr 45# Forged steel balls 60MN 65MN 75MN B2 40Cr 45# Forged steel balls 60MN 65MN 75MN B2 40Cr 45# Forged steel balls 60MN 65MN 75MN B2 40Cr 45# Forged steel balls
Categories Forged grinding ball
Brand Junnan Steel
Material 45#, 60Mn, 65Mn, B2, B3, B4, etc
Hardness 60 - 65 hrc
Standard DIN GB ISO JIS BA ANSI YB/T091-2005
Impact Toughness 12 J/cm² Min
Falling Test Times 12000 Times Min
Diameter range 20mm-150mm
Chemical Elements C Si Mn P S Cr
Breakage Rate <1%
Unit Price US $ 500/ton
FOB port Xingang /Caofeidian /any other main ports in China
术语s of Payment L/C, D/A, D/P, Western Union, MoneyGram, T/T
Update Time 2022-02-28
Detail Information
Type and chemical composition
Material
C
Mn
Si
Cr
S
P
50Mn
0.48-0.56
0.70-1.0
0.17-0.37
0.25 max
0.035 max
0.035 max
60Mn
0.57-0.65
0.70-1.0
0.17-0.37
0.25 max
0.035 max
0.035 max
65Mn
0.60-0.70
0.90-1.20
0.17-0.37
0.25 max
0.035 max
0.035 max
75Mn
0.72-0.92
0.17-0.37
0.7-1.0
0.4-0.6
0.035 max
0.035 max
75MnCr
0.70-0.85
0.7-0.8
0.17-0.37
0.2-0.7
0.03 max
0.03 max
75SiMn
0.70-0.90
0.7-1.2
0.4-0.8
0.25 max
0.03 max
0.03 max
Specifcation
Size(mm)
Tolerance(mm)
Weight(kg/pc)
Quantity(pcs/ton)
φ20
+2 -1
0.032
31250
φ25
0.064
15625
φ30
0.11
9090
φ40
0.263
3802
φ50
0.513
1949
φ60
+3 -1
0.888
1126
φ70
1.41
709
φ80
2.104
475
φ90
2.996
333
φ100
+4 -2
4.11
243
φ110
5.457
182
φ120
7.102
140
φ130
9.03
110
φ140
+3 -3
11.278
88
φ150
13.871
72
Quality Control

Impact Test Machine

It is used to test Impact Test Value

Hardness Tester

It is used to test hardness

Wire-Electrode Cutting

It is sampling core from ball
The Process for Grinding Balls

Chemical Analysis Control

Hardness Control

Dimensional Tolerances Control

Feeding Breaking Control

Mismatch Control


Application
Packing & Shipping
Packing specification
Bag
diameter17-150mm
1000kg/bag
Drum
diameter17-25mm
1000kg/drum
diameter30-50mm
950kg/drum
diameter60-70mm
900kg/drum
diameter80-90mm
850kg/drum
diameter100-150mm
800kg/drum
20feet container
25bags or 25-32drums
40feet container
27bags or27-34drums
Service
FAQ for Grinding Ball


Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q:Could you accept OEM and customization?

A:YES, we can customize for you according to sample or drawing.

Q: Do you like to accept small orders?

A:We enjoy growing up together with all our clients, whatever big or small. You will become bigger and bigger to be with us.

Q:What's your warranty?

A:1 year.

Q: Can you provide free sample?

A:Yes, we are glad to supply free samples which quantity is less than 10kgs. But usually the courier fee should be paid by customer.

Q:Do you have any certificate?

A:Yes, our company has ISO 19001:2008 certificate.

We could also supply customer the Test report, SGS by third party.

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