Precision Seamless Steel Honed Tube For Hydraulic Cylinder

Precision Seamless Steel Hydraulic Cylinder Honed Pipe and Tube

Characteristics of precision tube:

1. Smaller outer diameter.

2. High precision and can be used for small batch production.

3. Cold drawn products have high precision and good surface quality.

4. The cross area of steel pipe is more complex.

5. The steel pipe has superior performance and dense metal.

Characteristics of hydraulic cylinder pipe:

High precision and good finish. After heat treatment, there is no oxide layer

on the inner and outer walls of the steel pipe, and the inner wall has good cleanliness.

The steel pipe bears high pressure, does not deform in cold bending, and has no cracks

in flaring and flattening. It can be used for all kinds of complex deformation and machining.

Steel pipe color: black with light.

Application for hydraulic cylinder pipe:

Automotive steel pipes are widely used in hydraulic system steel pipes, injection molding

machine steel pipes, hydraulic press steel pipes, marine steel pipes, EVA foaming hydraulic

machinery, precision hydraulic cutting machine steel pipes, shoemaking machinery, hydraulic

equipment, high-pressure oil pipes, hydraulic oil pipes, ferrule joints, steel pipe joints, rubber

machinery, forging machinery, die-casting machinery, engineering machinery, high-pressure

steel pipes for concrete pump vehicles Environmental sanitation vehicle, automobile industry,

shipbuilding industry, metal processing, military industry, diesel engine, internal combustion

engine, air compressor, construction machinery, agriculture and forestry machinery, etc.

Precision tubes are delivered in following conditions:

BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after last cold forming process.
BKW (+LC) Cold finished/soft
After last heat treatment there is a light finishing pass (cold drawing).
BKS (+SR) Cold finished/stress relieve annealed.
After the final cold forming process the tubes are stress relieve annealed.
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized.
After the final cold forming process the tubes are annealed above the upper transformation

point in a controlled atmosphere.

Tests: 100% eddy current test, chemical and mechanical inspection, size checking and others

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