Usage:

The cylinders and columns of hydraulic supports and pillars for coal mines, also can be used for other fields hydraulic cylinders and columns.Hydraulic system, plastic machinery, injection molding machinery, rubber machinery, forging machinery, casting machinery, engineering machinery, automobile industry, shipbuilding industry, metal processing, military, diesel engine, internal combustion engines, construction machinery, agricultural machinery, automated machinery, petroleum, chemical, aerospace, hydraulic and pneumatic, air conditioning, shoemaking machinery.

Heat treatment system:

20# and 45# are normalizing； 27SiMn (920 ±20)℃ water quenching, (450 ±50) ℃ tempering, coolants: oil or water

Features of hydraulic props:

Wear resistance and mach inability is much better than stainless steel, corrosion resistance is inferior to stainless steel.

Work schedules is big, the cost of security management is low.

High strength, safety and good stability

Easy to find leaks, good reliability

Long service life, simple operation and maintenance