Automatic Tube Mill for Square and Rectangular Pipes 350x350mm

Product Specifications

Attribute	Value
Model	HG 350x350mm
Production	Square pipe
Feature	Full automatic
Name	Tube mill
Other pipe	Square pipe and Rectangular pipe
Max size	350x350mm
Thickness	5.0-16.0mm
Length	6-12m
Rollers	Included

 

Machine Overview

This automatic tube mill is designed to produce high-quality welded steel pipes, including round pipes, square pipes, and deformed pipes. Featuring precision roll pass design, the production line delivers excellent machining quality and high assembly precision.

Technical Specifications

Material Specifications:

• Standard: SPHC, SPHT-2, SS 400, SS440, SS490
• Material: Low carbon steel and low alloy constructional steel
• Mechanical properties: σb≤520Mpa, σs≤365MPa
• Strip Width: 390-1400mm
• Strip Thickness: 5.0-16.0mm
• Inner Diameter of Coils: Φ508mm (buyer should confirm)
• Outer Diameter of Coils: Φ1300～φ1760mm (buyer should confirm)
• Coil Weight: ≤30T

Pipe Specifications:

• Round pipe: φ125-φ426mm
• Square tube: 100x100--350x350mm
• Length: 6m
• Pipe-cutting Precision: 0-6mm
• Forming Speed: Max 80m/min (max size and thickness cannot reach max speed)

Buyer-Supplied Requirements:

• Workshop: 180x6m, H＞5m (with crane to ground)
• Power: Approx. 450KW 380V/50Hz/3phases
• Circulation Cooling Water (whole system): Flow: 20T/h～30 T/h, Pool Volume: 30m³
• Compressed Air (whole system): Flow: 5m³/min, Pressure: 5-7kg/cm²
• Cable: All cable outside of machine to be purchased after machine installation

Production Process

Strip steel to coil → Uncoiler → End straightener → Flattener → Shear welder → Storage material unit → Forming, welding, cooling → Accurate pipe diameter sizing → Accurate pipe length sizing, cutting → Inspection → Packaging

 

Quality Assurance & Warranty

Our technical service personnel will be on-site for equipment installation, debugging, and commissioning. We provide comprehensive operation and maintenance training for your personnel. The equipment comes with a 12-month warranty from the date of arrival. Under normal operating conditions, we will repair or replace any defective parts free of charge.

1.) We will send the engineer for the installation and training your workers how to operate this machine in correct way.

2.) Warranty Team

One year quality guarantee, life guarantee repair. Within quality guarantee period, except for failures caused by human error, repair parts will be provided for free. After the quality guarantee period, only charge the cost of the spare parts.

3.) We supply the pre-sell and after-sell service.

pre-sell service: workshop design, and production output design

after-sell service: installation and training, and the skilled engineer for working.

4.) We can also sent the engineer working for you serval months or 1 year. The engineer will help you to improve the output, reduce the waste and decrease the cost.

5.) We supply the pre-sell service-Design for whole project for stainless steel pipe making/ carbon steel pipe making.

6.) We will be responsible for the loading and shipping

Q1: Are you manufacturer or trading company?
A1: we are manufactuer , more than 20 years experience.

Q2: What is the max size of pipe you have even produce?
A2: Max φ630mm

Q3:Can I visit your customer machine line?
A3: Yes, but I need to get agreement from my customer firslty.

Q4: what is your machine advantages?
A4:Contain Full automatic, Direct forming square, Share rollers. Fast change system

Q5:How I can get the quotation?
A5:Please send your requires of pipe size , thickness to us.