Chrome Steel Ball

Category:

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