Surface Hardness, Excellent Machinability and Perfect Roundness
Class
Grade
Features
Magnetic
Application
Austenitic
303
Typical grade for general purpose
weak
- Printer shaft- O/A devices- Facsimile- Tape roller
303F
Additive "S" to 303 for higher machinability
weak
303C
Additive "Cu" to 303 for higher machinability and non- magnetic
non-magnetic
- Vending machine- Gas equipment- Medical instrument- VTR- Motor shaft
202
Higher cold machinabilityHigher hardness,non-magnetic
non-magnetic
- Guide pin of VTRShaft
Class
Grade
Features
Magnetic
Application
Martensitic
416
Additive "S" to 416 forimproved machinability
strong
- Printer shaft- Motor shaft- Floppy disket- Facsimile
416F
Additive "S" and "Se" to 416 Martensitic
strong
420J2
Most typical grade of Martensitic
strong
- Micromotor shaft- Drum Shaft- Camera - Valve nozzle- Microphone
420F
Additive "S" to 420J2forimproved machinability
strong
Specification of Free Cutting Wire (N/?)
Dia. (mm)
AISI 303, 303C, 303F
AISI 420J2, 420F, 416,416F
202
W1
1/8H(W2)
1/8H(W2)
1/4 H
F.H
0.08~1.40
MAX 850
800~1050
700-930
800-1100
Min. 1750
1.41~1.80
MAX 800
1.81~2.90
650-880
Min. 1700
2.91~3.50
MAX 750
750~1000
3.51~4.50
4.51~5.50
590-830
5.51~7.51
MAX 700
600~850
-
-
Dia. (mm)
Coil I.D. (inch)
Weight(kg)
Remark
0.80~1.00
12
25
Cut length on request(25/50kg Wt.)Range: 2.0-5.0mm, 4 m long Max.
1.01~1.79
16
50
1.80~5.00
24
100
Carrier packing for over 1.8mmavailable on request
5.01~7.50
32
200
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