盐城福瑞机械配件有限公司
YANCHENG FOREIGN MACHINERY PARTS CO.LTD

 

 
PISTON RING LINE Ⅰ| PISTON RING LINE Ⅱ| PISTON RING LINE Ⅲ|

PISTON RING MATERIAL

SURFACE TREATMENT

 
 

 

Ductile cast iron
module of elasticity≥150GPa
bending strength≥1300MPa
hardness 100-112HR

High alloy cast iron F14

module of elasticity 130-160GPa
bending strength≥650MPa
hardness 109-116HRB

Multi alloy cast iron K4
module of elasticity 100-130GPa
bending strength≥500MPa
hardness108-114HRB

WVTi alloy cast iron
module of elasticity 85-110GPa
bending strength≥392MPa
hardness 97-108HRB

B Alloy cast iron
module of elasticity 90-110GPa
bending strength≥392MPa
hardness 97-108HRB

Heat-resistant stainless steel
module of elasticity≥196GPa
tensile strength≥1219MPa
hardness 58-63HR30N

Alloy spring steel
module of elasticity≥196GPa
tensile strength≥1250MPa
hardness 480-550HV

High grade carbon steel
module of elasticity≥196GPa
tensile strength≥1275MPa
hardness68-72HR30N

Heat-resistant stainless steel
module of elasticity≥196GPa
tensile strength≥1175MPa
hardness 380-490HRB

Grey cast iron
module of elasticity 85-110GPa
bending strength≥392MPa
hardness 97-102HRB

 

Ion plasma spraying
melting wear resistance
good self-lubrication
good heat conductivity

 

 

Hard chrome plating
adhesive wear resistance
wear resistance
good heat conductivity

Nitriding
corossive resistance
wear resistance
good heat conductivity

Ceramics penetration
good heat conductivity
wear resistance
low discharge of waste
high hardness, anti-sand

PTFE coating
shorten running in period
improve surface friction
strengthen anti corrosive ability

oxidization
improve initial running in
rust proof
improve appearance

Electrophoresis MOS2
improve self lubrication & running in
work together with Mo layer to prevent deterioration

Phosphating
improve initial running in
rust proof

Copper plating
shorten initial running in
prevent initial burn

Tin plating
shorten initial running in
prevent initial burn

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