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120mm grinding steel ball /skew rolling machine/hot rolled steel ball

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120mm grinding steel ball /skew rolling machine/hot rolled steel ball

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Large Image :  120mm grinding steel ball /skew rolling machine/hot rolled steel ball Get Best Price

Product Details:
Place of Origin: china
Brand Name: DB
Certification: SGS
Payment & Shipping Terms:
Minimum Order Quantity: 10t
Price: $950/ton
Packaging Details: Steel Drum or Container Woven Ton Bag
Delivery Time: 30DAYS
Payment Terms: T/T L/C
Supply Ability: 60, 000 Metric Tons Per Year
Detailed Product Description
High Light:

steel ball

,

grinding steel ball

,

seel ball mahine

A.Diameter: 20~130mm

B.Parameters of hot rolled steel ball:

1. The overall high hardness: surface hardness of 57-67 HRC, volume hardness of 56-64 HRC, and the hardness gradient distribute evenly.
2. High impact toughness: more than 12 J/CM2

3. Low broken rate: anti-broken and anti-broken off performance is 10 times of general casting steel ball, balls impact times over 20,000 times, the actual broken rate is less then 1%, close to no broken.

C.chemical composition:

1.material A

C

Si

Mn

P

S

Ni

Cr

Cu

Mo

0.75

0.23

0.74

0.016

0.001

<0.01

0.48

0.02

0.004

2.material B

C

Si

Mn

P

S

Ni

Cr

Cu

Mo

0.61

1.80

0.75

0.012

0.001

0.01

0.81

0.01

0.004


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