B2 B3 шлифовальный стальной материал кованый хромовый лом шарик для шлифовальной


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Цена:1,03 $ - 1,10 $*

Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Aug-17-2025 1.57 $* 1.34 $*
Jul-17-2025 1.54 $* 1.44 $*
Jun-17-2025 1.28 $* 1.88 $*
May-17-2025 1.93 $* 1.41 $*
Apr-17-2025 1.13 $* 1.7 $*
Mar-17-2025 1.54 $* 1.53 $*
Feb-17-2025 1.89 $* 1.46 $*
Jan-17-2025 1.61 $* 1.12 $*

Характеристики



Product Details




FORGING (ROLLING) STEEL BALLS




Product
Forging steel ball ,  Rolling steel ball , Casting steel ball ,etc  
Size
20mm , 25mm. 30mm , 40mm,50mm , 60mm, 70mm , 75mm ,80mm, 90mm, 100mm, 110mm , 120mm , 125mm,  130mm , 140mm , 150mm  ,etc  
Standard
EN12413,   ISO9001:2008
Materials 
B2, B3, B4, B6, 42 Cr,  65Mn, 50 Mn Steel etc.
Please tell us your requirement.
Hardness  
HRC 40-65 
Impact Toughness
≥ 12 j/cm2
Field 
Cement plant , Mining , Power station , Chemical industries ,etc 
MOQ
1 ton 
Lead Time
In 15 days for quantity under 100 tons   
Testing 
Drop testing , Impact testing , Hardness testing ,Chemical composition testing   
Free Sample
Available upon request




------ Look Through BH Forged Steel Balls ------








------ Technical Data of Regular Products ------




1.Diameter tolerance and roundness
Diameter
30-60 mm
70-90 mm
100-125 mm
150mm
Diameter roundness(mm)
±2
+3,-2
+4,-3
+5,-4
Roundness(%)
≤2
≤3
≤4
≤5


2.Chemical composition
Brand
C(%)
Si(%)
Mn(%)
Cr(%)
Cu(%)
Mo(%)
P(%)
S(%)
Ni(%)
45#
0.42-0.50
0.17-0.37
0.5-0.80
0-0.25
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
40Mn
0.37-0.44
0.17-0.37
0.7-1.0
0-0.25
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
50Mn
0.48-0.56
0.17-0.37
0.60-1.0
0-0.25
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
60Mn
0.57-0.65
0.17-0.37
0.70-1.0
0-0.25
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
65Mn
0.62-0.70
0.17-0.37
0.90-1.0
0-0.25
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
70Mn
0.67-0.75
0.17-0.37
0.90-1.20
0-0.25
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
40Cr
0.37-0.45
0.17-0.37
0.50-0.8
0.80-1.1
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
42CrMo
0.38-0.45
0.17-0.37
0.50-0.80
0.90-1.2
0-0.03
0.15-0.25
0-0.035
0-0.035
0-0.30
70Cr2
0.65-0.75
0.20-0.30
0.75-0.90
0.55-0.70
0-0.25
0-0.30
0-0.030
0-0.030
0-0.30
40Mn2
0.37-0.44
0.17-0.37
1.4-1.8
0-0.25
0-0.25
0-0.30
0-0.035
0-0.30
0-0.30
70Mn2
0.65-0.75
0.20-0.45
1.4-1.8
0-0.25
0-0.25
0-0.30
0-0.035
0-0.030
0-0.30
B-1
0.52-0.65
0.17-0.37
0.60-1.2
0-0.25
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
B-2
0.70-0.80
0.17-0.37
0.70-0.80
0.50-0.60
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
B-3
0.58-0.66
1.2-1.6
0.65-0.80
0.70-0.90
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
B-4
0.60-0.65
1.6-1.7
0.7-0.8
0.7-0.8
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
B-6
0.75-0.85
0.2-0.40
0.9-1.0
0.85-0.95
0-0.25
0.06-0.13
0-0.035
02-0.035
0.06-0.13
B-6A
0.82-0.95
0.20-0.40
0.92-1.02
0.80-0.95
0-0.25
0.06-0.10
0-0.035
0-0.035
0.06-0.10
B-7
0.35-0.40
0.17-0.37
0.7-0.8
0.9-1.0
0-0.25
0-0.30
0-0.035
0-0.035
0-0.30
BU
0.95-1.05
0.17-0.37
0.9-1.10
0.40-0.60
0-0.15
0-0.05
0-0.035
0-0.035
0-0.30
Gr15
0.95-1.05
0.15-0.35
0.20-0.40
1.30-1.65
0-0.25
0-0.10
0-0.027
0-0.020
0-0.10


3.Technical specification
Brand
Breakage rate
Hardness
(HRC)
Impact value
(J/cm²)
Drop times
(times)
Micro structure
45#
<1%
≥45
≥12
≥8000
M+C
40Mn
<1%
≥50
≥12
≥10000
M+C
50Mn
<1%
≥55
≥12
≥10000
M+C
60Mn
<1%
≥55
≥12
≥12000
M+C
65Mn
<1%
≥58
≥12
≥12000
M+C
70Mn
<1%
≥60
≥12
≥12000
M+C
40Cr
<1%
≥55
≥12
≥12000
M+C
42CrMo
<1%
≥55
≥12
≥12000
M+C
70Cr2
<1%
≥58
≥12
≥12000
M+C
40Mn2
<1%
≥55
≥12
≥12000
M+C
70Mn2
<1%
≥58
≥12
≥12000
M+C
B-1
<1%
≥55
≥12
≥12000
M+C
B-2
<1%
≥58
≥12
≥15000
M+C
B-3
<1%
≥60
≥12
≥15000
M+C
B-4
<1%
≥60
≥12
≥15000
M+C
B-6
<1%
≥60
≥12
≥15000
M+C
B-6A
<1%
≥60
≥12
≥15000
M+C
B-7
<1%
≥60
≥12
≥15000
M+C
BU
<1%
≥60
≥12
≥15000
M+C
Gr15
<1%
≥60
≥12
≥15000
M+C




------ Our Workshop ------





Forging steel raw materials workshop

Hot rolling machine


Forging machine

Quenching machine



Finished product workshop
Warehouse




------ Production Process of Regular Products ------








------ Strict Quality Inspection ------





ROCKWELL HARDNESS TESTER

DROP TESTER



IMPACT TESTER

SPECTROSCOPIC DETECTOR




------ Application of Steel Ball ------





Service Details




------ Professional Packing ------





Big bag packing

Steel drum packing

Steel drum + pallet packing



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