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Shandong Iraeta Grinding Steel Ball Company

China Manufacturer with main products: Grinding Steel Ball, Grinding Ball, Steel Ball, Forged Steel Ball, Casting Steel Ball, Forging Ball, Casting Ball, Grinding Forged Steel Ball

Home  >Products Catalog > grinding steel ball > High Chrome/ Low Chrome Forged Grinding Media Steel Balls For Mining/ Cement Plant

High Chrome/ Low Chrome Forged Grinding Media Steel Balls For Mining/ Cement Plant

FOB Price: 500.00 - 750.00 USD/Ton
Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram
In Stock

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Quick Details

  • Dimensions: 25-150mm
  • Material: Steel
  • Application: mining , cement factory
  • Model Number: 25-150mm
  • Brand Name: Shandong Iraeta

Specifications

1.Product  performance

 a) Even hardness

 b) Unbreakable
 c) Grinding resistant

 d) High impact value

 e) High combined efficiency of grinding mill

 f)  roundness persistence

2. Applied fields
a) Industries of cement building material
b) Metallurgical selection in mine 
c) Grinding coal in power plant
d) Chemical industry and machinery,etc

 

3. Classification and chemical composition

 

Brand

C Si Mn P S Cr Ni V
SY-01-45# 0.42-0.48 0.17-0.37 0.50-0.80 ≤0.050 ≤0.035 ≤0.15 ≤0.05 ≤0.05
SY-02-50Mn 0.48-0.56 0.17-0.37 0.65-1.00 ≤0.050 ≤0.035 ≤0.15 ≤0.05 ≤0.05
SY-03_60Mn 0.57-0.65 0.17-0.37 0.70-1.10 ≤0.050 ≤0.035 ≤0.25 ≤0.10 ≤0.10
SY-04-65Mn 0.62-0.75 0.17-0.37 0.90-1.20 ≤0.050 ≤0.035 ≤0.25 ≤0.10 ≤0.10

SY-05-B2

0.75-0.85 0.17-0.35 0.70-0.90 ≤0.050 ≤0.035 0.40-0.60 ≤0.15 ≤0.10
SY-06-B3 0.50-0.65 1.35-1.85 0.40-1.0 ≤0.050 ≤0.035 0.80-1.20 ≤0.15 ≤0.10
SY-07-BL 0.55-0.75 0.15-0.35 0.65-0.85 ≤0.050 ≤0.035 0.70-1.20 ≤0.15 ≤0.10
SY-08-BG 0.90-1.05 0.15-0.35 0.35-0.95 ≤0.050 ≤0.035 1.0-1.70 ≤0.15 ≤0.10

 

4. Mechanical  property

 



Brand

 

 

 Impact toughness

AK.J/cm2

 

 

 (sm)

Dropping test

                        Hardness(HRC)
Φ25-50(1"-2") Φ60-90(2.5"-3.5") Φ100-150(4"-6")
 Surface  Core  Surface  Core  Surface  Core
SY-01-45#   ≥12   ≥15000  ≥55  ≥38  ≥54  ≥35  ≥52  ≥30
SY-02-50Mn   ≥12   ≥15000  ≥56  ≥40  ≥56  ≥36  ≥55  ≥32
SY03_60Mn   ≥12   ≥15000  ≥58  ≥45  ≥58  ≥38  ≥55  ≥35
SY-04-65Mn   ≥12   ≥15000  ≥60  ≥52  ≥60  ≥42  ≥56  ≥36
SY-05-B2    ≥12   ≥15000  ≥60  ≥60  ≥60  ≥54  ≥58  ≥50
SY-06-B3   ≥12   ≥15000  ≥60  ≥60  ≥60  ≥54  ≥60  ≥55
SY-07-BL   ≥12   ≥15000  ≥60  ≥60  ≥60  ≥54  ≥60  ≥55
SY-08-BG   ≥12   ≥15000  ≥60  ≥60  ≥60  ≥60  ≥60  ≥58

Forged steel ball technical description

The traditional process of forged steel balls is air hammer forging process, put the raw material into a certain size, using air hammer forging the raw material into a ball. Forged steel ball is wearable steel balls made through forging after being heated in high temperature, without melting or casting but only with tempering. That's why it's called forged steel ball.Chromium content contained in forged steel ball is about 0.1% to 0.5%, and carbon content below 1.0%. Though forging by high-temperature tempering which enables part of grinding ball surface to enjoy no less than HRC 56 hardness, poor hardenability of materials for forged steel balls causes core hardness usually to be only HRC30, quenching treatment is usually adopted for forged steel ball under normal circumstances, leading to a high crushing rate for forged grinding ball.

 

Forged steel ball production line

Raw materials---Melting in furnace---pre-production test---quenched and tempered---tempering---recheck---qualified product storage---delivery

High chrome low chrome forged grinding media steel balls for mining cement plant

Service Process

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