Chrome Steel Ball
Description
Material: Chrome ( 100Cr6 & 100CrMn6 )
Diameter:0.2mm – 250mm（Professional production line 4.763mm 3/16″,7.938mm 5/16″ ,9.525mm 3/8″and so on )
Grade: G5 / G10 / G16 / G20 / G28 / G40 / G100 / G200 / G500 / G1000 / G2000 according to ISO, DIN, or AFBMA standard
| A.F.B.M.A. STANDARDS(U.S.A) | ||||||||||
| AFBMA
GRADES |
ROUNDNESS | LOT DIAMETER
VARIATION |
BASIC DIAMETER
TOLERANCE |
MAX.
INCREMENTS |
SURFACE
RCUGHNESS |
|||||
| INCHES | μm | INCHES | μm | INCHES | μm | INCHES | μm | INCHES | μm | |
| 3 | .000003 | 0,08 | .000005 | 0,13 | ±.00003 | 0,76 | .000010 | 0,25 | .5 | 0,012 |
| 5 | .000005 | 0,13 | .000010 | 0,25 | ±.00005 | 0,27 | .000010 | 0,25 | .8 | 0,020 |
| 10 | .000010 | 0,25 | .000020 | 0,51 | ±.0001 | 2,54 | .000010 | 0,25 | 1.0 | 0,025 |
| 16 | .000016 | 0,38 | .000032 | 0,76 | ±.0001 | 2,54 | .000010 | 0,25 | 1.0 | 0,025 |
| 24 | .000024 | 0,63 | .000048 | 1,27 | ±.0001 | 2,54 | .000010 | 0,25 | 2.0 | 0,050 |
| 48 | .000048 | 1,27 | .000096 | 2,54 | ±.0002 | 5,08 | .000050 | 0,12 | 3.0 | 0,076 |
| 100 | .0001 | 2,50 | .0002 | 5,08 | ±.0005 | 12,70 | .0001 | 2,54 | 5.0 | 0,120 |
| 200 | .0002 | 5,08 | .0004 | 10,20 | ±.001 | 25,40 | .0002 | 5,08 | 8.0 | 0,203 |
| 500 | .0005 | 12,70 | .001 | 25,40 | ±.002 | 50,80 | .0005 | 12,70 | – | – |
| 1000 | .001 | 25,40 | .002 | 50,80 | ±.005 | 127,00 | .001 | 25,40 | – | – |
| DIN5401(GERMAN STANDARDS) | ||||
| DIN 5401
GRADE |
ROUNDNESS
μm |
LOT DIAMETER
VARIATION μm |
BASIC DIAMETER
TOLERANCE μm |
GAUGE INTERVAL
μm |
| I | 0,25 | 0,50 | ±10,25 | 0,50 |
| II | 0,50 | 1,00 | ±10,50 | 1,00 |
| III | 1,00 | 2,00 | ±11,00 | 2,00 |
| IV | 2,00 | 4,00 | ±14,00 | 4,00 |
| V | 25,00 | 50,00 | ±75,00 | 50,00 |
| VI | – | 400,00 | ±200,00 | – |
| APPROXIMATE EQUIVALENT GRADES
BETWEEN ISO 3290,AFBMA,DIN |
|||||||
| GRADES | AAAA | AAA | AA | A | B | C | ∅mm |
| ISO3290 | 5 | 10 | 16 | 28 | 40 | 100 | up to 3 included |
| 10 | 16 | 28 | 40 | 100 | from 3 to 6 included | ||
| 10 | 16 | 28 | 40 | 100 | 200 | from 6 to 10 included | |
| 16 | 20 | 28 | 40 | 100 | 200 | from 10 to 20 included | |
| 28 | 40 | 100 | 200 | from 20 to 30 included | |||
| 40 | 100 | 200 | from 30 to 50 included | ||||
| 40 | 100 | 100 | 200 | over 50 | |||
| AFBMA | 5 | 10 | 16 | 24 | 48 | 100 | up to 3 included |
| 10 | 16 | 24 | 48 | 100 | 100 | from 3 to 6 included | |
| 10 | 16 | 24 | 48 | 100 | 200 | from 6 to 10 included | |
| 16 | 16 | 24 | 48 | 100 | 200 | from 10 to 20 included | |
| 24 | 48 | 100 | 200 | 300 | from 20 to 30 included | ||
| 48 | 48 | 100 | 200 | 300 | from 30 to 50 included | ||
| 48 | 100 | 100 | 200 | 300 | over 50 | ||
| DIN | class – | class I | class II | class III | class IV | – | up to 3 included |
| – | I | II | III | IV | – | from 3 to 6 included | |
| I | II | III | – | IV | – | from 6 to 10 included | |
| – | III | III | IV | – | – | from 10 to 20 included | |
| II | – | III | IV | – | – | from 20 to 30 included | |
| – | – | III | IV | – | – | from 30 to 50 included | |
| – | – | III | IV | – | – | over 50 | |
JIANGSU WALLONG-HSIN MACHINERY ENGINEERING CORPORATION LTD has created a complete range in order to offer advanced solutions and an outstanding technical services. The application range includes:
*High quality Ball Bearings components
*Linear systems,Ball bearing slides
*Free Wheels and casters,rail wheels
*Ball transfer units,air cargo and conveyor
*Stainless steel and tungsten carbide ball point pens
*Various types of valves for liquids and gases,etc.
*CV Joints,hydraulic motors and oilers
*Safety belt balls,car seat guides balls
*motor bikes and bicycles ball parts
*Furniture fitting,drawer slide balls
*Coconut grinding balls, coffee milling balls
*Cosmetic balls,nail polish balls
*Pump balls
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