steel balls

steel ball made by our factory are widely used in machinery, bearings, motorcycle, bicycle, car, truck, bus, instruments, electronic applications ect. we mainly supply follows steel balls:

1. Grade: 3-1000

2. size: 0.5-200mm

3. materials:

4. TECHNICAL DATA FOR cARBON STEEL BALL

Nominal Ball Diameter Nominal Ball Diameter Nominal Ball Diameter
mm inch pcs/kg mm inch pcs/kg mm inch pcs/kg
0.5000   1961392 6.0000   1135 13.4938 17/32 100
0.8000   478856 6.3500 1/4 958 14.2875 9/16 84
1.0000   245174 6.5000   893 15.0812 19/32 71
1.2000   141884 6.7469 17/64 799 15.8750 5/8 61
1.5000   72645 7.1438 9/32 673 16.0000   60
1.5875 1/16 61283 7.9375 5/16 490 16.6688 21/32 53
2.0000   30647 8.0000   479 17.4625 11/16 46
2.38125 3/32 18158 8.7312 11/32 368 18.0000   42
2.5000   15692 9.0000   336 18.2562 23/32 40
3.0000   9081 9.5250 3/8 284 19.0500 3/4 35
3.1750 1/8 7661 10.0000   245 19.8438 25/32 31
3.5000   5719 10.3188 13/32 223 20.6375 13/16 28
3.96875 5/32 3922 11.1125 7/16 179 22.0000   23
4.0000   3831 11.5094 29/64 161 22.2250 7/8 22
4.7625 3/16 2270 11.9062 15/32 145 23.0188 29/32 20
5.0000   1962 12.0000   142 23.8125 15/16 18
5.55625 7/32 1430 12.3031 31/64 132 24.0000   18
5.9531 15/64 1162 12.7000 1/2 120 25.4000 1 15

 

Grade Diameter Tolerance Lot D.T. Surface Roughness Gauge Interval Preferred Gauge Sub gauge Interval Sub Gauge
3 0.08 0.13 0.012 0.5 -5~-0.5,0+0.5~+5 0.1 -0.2,-0.1,0,+0.1,+0.2
5 0.13 0.25 0.02 1 -5~-1.0,+1~+5 0.2 -0.4,-0.2,0,+0.2,+0.4
10 0.25 0.5 0.025 1 -9~-1.0,+1~+10 0.2 -0.4,-0.2,0,+0.2,+0.4
16 0.4 0.8 0.032 2 -10~-2.0,+2~+10 0.4 -0.8,-0.4,0,+0.4,+0.8
20 0.5 1 0.04 2 -10~-2.0,+2~+10 0.4 -0.8,-0.4,0,+0.4,+0.8
28 0.7 1.5 0.05 2 -12~-2.0,+2~+12 0.4 -0.8,-0.4,0,+0.4,+0.8
40 1 2 0.08 4 -16~-4.0,+4~+16 0.8 -1.6,-0.8,0,+0.8,+1.6
60 1.5 3 0.10 5 -20~-5.0,+5~+20 1 -2,-1,0,+1,+2
100 2.5 5 0.125 10 -40~-10.0,+10~+40 2 -4,-2,0,+2,+4
200 5 10 0.2 15 -60~-15.0,+15~+60 3 -6,-3,0,+3,+6

 

Materials Analysis of Chemical
C Si Mn P S Ni Cr Mo Cu
AISI440C 0.95-1.20 1.00max 1.00max 0.040max 0.030max 0.60max 16.0-18.0 0.75max ----
AISI420C 0.42-0.50 1.00max 1.00max 0.040max 0.030max 1.00max 12.5-14.5 ---- 0.30max
AISI304 0.08max 1.00max 2.00max 0.045max 0.030max 8.00-10.5 18.0-20.0 ---- ----
AISI316 0.08max 1.00max 2.00max 0.045max 0.030max 10.0-14.0 16.0-18.0 2.00-3.00 ----
AISIE52100 0.95-1.10 0.15-0.35 0.50max 0.025max 0.025max ---- 1.30-1.60 ---- ----
 

5. MATERIALS STANDARD
 

COUNTRY STANDARD CHROME STEEL CARBON STEEL STAINLESS STEEL
CHINA GB GCr15 10 15 45 85 1Cr18Ni9 OCr19Ni9 OCr17
Ni12MO2
3Cr13 9Cr18
USA AISI E52100 1010 1015 1045 1084 302 304 316 420 440c
JAPAN JIS SUJ2 S9CK S15CK S45C SUP3 SUS302 SUS304 SUS316 SUS420J2 SUS440C
GERMANY DIN 100Cr6 CK10 CK15 CK45   X12Cr
Ni188
X5CrNi189 X5CrNiMN18 X30Cr13  
1.3505       1.4300 1.4301 10(1.4404) 1.4028  
UK BS S135 045M10 090M15 080M46 060A86 302 S 25 304 S 15 316 S 16 420 S 45  
534A99 060M47
FRANCE NF 100C6 XC10 XC12-18 XC42,XC45   Z10CN
18.09
Z6CN18.09 Z6CN D17.12 Z30C14 Z100CD17
ITALY UNI UNI100C6 C10 C15     X15CN
1808
    X32C13  
RUSSIA FOCT IIIX15 10 15 45 85 12X18H9 08X18H10 08X17H
13M2T
3X13 95X18

6.  Process of Steel Ball