Product: Higher mechanical property and tight tolerance honed steel tube

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

Inner roughness: Ra0.2-0.8um

ID Tolerance: H8 H9 or as customized

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

1.Hydraulic Cylinder Tube------Main products of Xinpeng

Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.

2.SRB tube ----- used in Elevatorbuffer and Hydraulic Cylinder .This kind tube have a better roughness inner the tube, ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.

3.Cold finished tube---- Widely Used. Processing range 30-300mm, biggest length is 11M.

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.

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

Packing&Shipping

 1.Standard packing with plastic caps and strapped bundles.

2.Commercial length 2000~10500mm,custom lengths upon request

3.Surface protection

4.Marking as client's request

5.Within 20-30 days after receiving downpayment or as client's request

Our service

1. Cargo track service during transporting and feedback service after cargo is loaded on board

2. Flexible terms of payment by T/T , L/C And so on.

3. Big discount for repeat customers

4. Smooth delivering procedure

5. More than 20 years steel trading experience 

6.Alibaba trade assurance supplier

Our customer

Waiting for your contact!