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MATERIAL:
Standard single cast iron Use: for piston rings up to 200 mm
outside diameter.
Chemical Composition
in %: C: 3.6-4.0 Si: 2.4-3.0 Mn:0.5-0.8 P:0.4-0.6
CU: <0.8 Cr: <0.3 Mo: V: S: <0,12 Ni: Other
elements may be present as impurities. Total<0.2%
Structure: Graphite: preferably
lamellar, evenly distributed with a minimum of eutectic
dendritic precipitation.
Matrix :
Ferrite not more than 5%. Reticular phosphide
Eutectic without concentrations.
Hardness:
HRB: 96- 106 HB:210-282kp/mm2 |
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MATERIAL:
IKA Use: Piston rings with high bending strength.
Chemical Composition in %: C: 3.4-3.8
Si:2.5-3.2 Mn:0.5-0.8 P: <0.35 S: < 0.08 Cr: 0.4 -0.7
Mo:0.8-1.3 V:0.1-0.3 Cu: 0.8-1.2 Ni: 0.5-0.8 Other elements
may be present as impurities.
Structure:
fine laminas, evenly distributed.
Matrix : heat -treated. Reticular
phosphate eutectic without concentrations.
Hardness:
HRB: 108-114 HB : 302-386 kp/mm2 |
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MATERIAL:
IKA Use: Piston rings with high bending strength.
Chemical Composition in %: C: 3.4-3.8
Si:2.5-3.2 Mn:0.5-0.8 P: <0.35 S: < 0.08 Cr: 0.4 -0.7
Mo:0.8-1.3 V:0.1-0.3 Cu: 0.8-1.2 Ni: 0.5-0.8 Other elements
may be present as impurities.
Structure:
fine laminas, evenly distributed.
Matrix : heat -treated. Reticular
phosphate eutectic without concentrations.
Hardness:
HRB: 108-114 HB : 302-386 kp/mm2 |
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MATERIAL
SPECIFICATION- K9- : Not etched Etched with HNO3
Deep etching
MATERIAL: KV1,
spheroidal graphite cast iron, hardened And tempered Use:
piston rings with high tensile strength
Chemical
Composition in %: C: 3.5-4 Si: 2.3-2.9 Mn: 0.2-0.5
p:<0.3 S: <0.05 Cr:<0.2 Mo: v: Cu: Ni:<1.0 Other
elements may be present as impurities
Structure:
Graphite : spheroidal
Matrix:
eheat-treated, small points of carbides being
permissible
Hardness: HRB: 104-112
HB: 270-360kp/mm2 |
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