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PISTON
RINGS SPECIFICATIONS
S.
No. |
Elements |
Chemical
Symbol |
%
Standard |
Micro
Structure |
|
Standard |
01 |
Carbon |
C |
3.50
- 4.00 |
Graphite |
A
|
Lameller
Flakes |
02 |
Silicon |
Si |
2.50
- 3.00 |
|
B |
03 |
Manganese |
Mn |
0.50
- 0.80 |
|
C |
NIL. |
04 |
Phosphorous |
P |
0.40
- 0.60 |
|
D |
33%
Max. |
05 |
Chromium |
Cr |
0.30
max. |
|
E |
06 |
Copper |
Cu |
0.30
max. |
Size |
|
5
- 8 |
07 |
Molybdenum |
Mo |
0.30
max. |
Ferrite |
|
5%
Max |
08 |
Nickel |
Ni |
0.30
max. |
Steadite |
|
Rect.
& Netty |
09 |
Sulphur |
S |
0.08
max. |
Carbide |
|
Nil |
|
|
|
|
Matrix |
|
Pearlite |
| |
REMARKS: |
(A)
Hardness Incomng Rings - 98 - 105
HRB |
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|
(B)
Hardness after heat treatment - 96
- 103 HRB |
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