materials used to make cylinder line, connecting rods, and fuel lines.

Name materials used to make the following: cylinder line, connecting rods, and fuel lines.
State the properties of each

Cylinder liner:
Cylinder liners must not only withstand serve stresses due to differences in temp and pressure
but must resist the abrasive action of the piston rings. The composition on the material of
cylinder liners is so as follows, but it must be remembered that the foundly methods employed
the pouring temperature and time taken to cool out after casting are also important.

Graphite cast iron
Composition:
• combine carbon 0.8 to 0.9 %
• free carbon 2.2 to 2.4%
• silicon 0.8 to 1.0%
• manganese 1.0 to 1.7%
• phosphorus 0.2 to 0.3%
• sulphur 0.08 to 0.1%

Mechanical properties:
Tensile strength- not less than 14 tons/in2
Transverse strength- not less than 2500 lbs/in
Brinell hardness figure- over 200

Connecting rod:
For connecting rods the scemins- martin open hearth or ingot mild annealed steel is used.
Ultimate tensile strength: 28 to 32 tons/ sq. in.
Elongation 25 to 29%
Low medium carbon steel with 3 to 3.5%nickel content.

Fuel lines:
These lines must be of a strong solid drawn ....high pressure steel tubing. It must have a high
tensile strength. The thickness of these lines can and set for the individual installation taking the
working pressure into account.

Bharatiyulam

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