St52 High Precision Seamless Honed Steel Tube for Hydraulic Cylinder Chrome Tube

Still deciding? Get samples of $ !
Request Sample

Product Description

Basic Specifications
Model NO.
TUBE
Material
Carbon Steel
Surface Treatment
Oiled
Usage
Hydraulic/Automobile Pipe, Machinery Industry, Chemical Industry, Mining
Section Shape
Round
Transport Package
Wooden Case, Container
Specification
20GP, 40HQ
HS Code
8483109000
Production Capacity
20000tons/Year
Product Overview
Professional manufacturer of honed tube & chrome rod/bar/shaft, founded in 2004, one of the biggest manufacturers in China. We produce honed tubes, honed steel tubing, hydraulic cylinder tubes, skived tubes, bored tubes; chrome plated piston rods, chrome bars, linear shafts, hollow rods; cold drawn tubes, pre-hone tubes, and ready-to-hone tubes.
Honed tube is produced using our "Suitable to Hone" Drawn Over Mandrel (DOM) and Cold Drawn Seamless (CDS). The honing process involves using abrasive polishing stones and abrasive paper to remove small amounts of material, to produce extremely precise ID dimensions and improved finishes.
Seamless Honed Steel Tube
Item Technical Specifications
Raw materialDIN ST52, SAE1020
Pressure & Temperature ClassificationHigh pressure & temperature piping
Inner Diameter40mm-320mm
Outer Diameter50-400mm
Thickness5-40mm
Length7000mm
StraightnessMax 0.5/1000mm
Inside Surface Roughness (Ra)0.2-0.4um
Tolerance INTDIN2391 H8
Production Processes
Production Process
Professional Packing
Packing Solution
Manufacturing Facility
Our factory was established under a modern management system and advanced technologies in 2003. It covers an area of 40,000 sq. meters, with a plant covering 25,000 sq. meters. All processing controls include cold-drawn, heat treatment, honing, peeling, grinding, and polishing. Equipped with 60 sets of advanced machinery and over 70 skilled technical workers, our annual output exceeds 20,000 tons.
Factory Show
Why Choose Us
  • Professional expertise with rich industry experience and high reliability.
  • One-stop collection for honed tubes, chrome rods, and casting cylinder components.
  • Full range of sizes and materials in stock for fast delivery.
  • Customizable solutions and availability of non-standard sizes.
  • Flexible order requirements - small quantities are acceptable.
  • Quality assurance: Refund or replacement policy for any quality issues.
Quality Certification
Frequently Asked Questions
What is the typical delivery time?
Usually, standard orders can be delivered within 30 days. Urgent orders may be processed for delivery in as little as 15 days depending on specifications.
Which markets do you mainly serve?
We mainly export to the Middle East, South Africa, and South Eastern Asia. In recent years, our products have also successfully entered the South American market.
Are you a direct manufacturer?
Yes, we are a professional manufacturer specializing in honed tubes and chrome rods with our own production facilities established in 2003.
What is the guarantee period for your products?
We provide a one-year guarantee after manufacture. Any rejected items due to quality issues will be resupplied or refunded.
Can you provide non-standard tube sizes?
Yes, we offer customization for non-standard sizes to meet specific industrial requirements and blueprints.
Are samples available for quality testing?
We can provide samples of our materials for verification. Please contact our technical team to discuss your specific testing needs.

Related Products