Product: Cold finished and honed steel pipe

Technical specification: Suitable for hydraulic  cylinder tube

Grade:20# 45# Q345 25Mn 27SiMn

 Tensile strengh: ≥ 600N/mm2

Outer diameter: 30-250mm

Wall thickness: 2-30mm

Elongnation: >15

Package: standard packing with plastic bags or as client's request

Delivery time: within 20-30 days after receiving downpayment or as client's request

Trade terms: FOB Yantai, Qingdao or as client's request

Main Features: high precision, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening .

Main Application:to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required 

Process

Equipped with JLB250T hydraulic cold drawn set, LD120 cold rolling set, annealing furnace, strong honed machine, polising machine,lathe,saws CNC skived and roller burnished machine, kinds of testing machine.

Mechanical Property

Application

Widely used for hydraulic cylinder of heavy machinery, engineering machinery, textile machinery, excavator, forklifts and many other field.

Our customer

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