What are the advantages of straight wire tubes? Why is it widely used in industry?

What are the advantages of straight wire tubes? Why is it widely used in industry?
Straight wire pipe (also known as straight seam pipe, especially common in the metal industry) is a type of steel pipe made by rolling steel strip or plate into a circular shape and welding it longitudinally. It is widely used in industry, especially in fields such as structural support, fluid transportation, and equipment component manufacturing.

1、 The main advantages of straight wire tubes
1. Mature manufacturing process and low cost
Straight wire pipes are generally welded using high-frequency welding (ERW) or automatic submerged arc welding (SAW), which has high production efficiency and stable weld quality;
Ordinary hot-rolled steel strips can be used as raw materials, and the manufacturing cost is relatively low compared to spiral tubes and seamless tubes;
Suitable for large-scale standardized production, with more advantages in unit cost.
2. Uniform wall thickness and high dimensional accuracy
The manufacturing process of straight wire tubes facilitates the control of wall thickness and diameter consistency;
It performs excellently in industrial applications that require precise dimensions and strict control of wall thickness.
3. Good structural strength and wide applicability
Although the weld seam is distributed longitudinally along the pipe body, in most pressure bearing situations, as long as the welding quality meets the standard, the straight wire pipe can meet the structural strength requirements;
Applied to mechanical components, steel structure frames, scaffolding, shelves, furniture pipes, automotive parts, etc.
4. Easy to process and connect
The tube structure is simple and has high straightness;
Easy to perform mechanical processing such as cutting, punching, bending, etc;
Good compatibility with flanges, threads, and welded joints, and easy on-site installation.
5. Convenient surface treatment
The pipeline has a regular shape and is suitable for various surface treatment methods such as spraying, galvanizing, hot-dip galvanizing, wire drawing and polishing;
It can also be used in fields with high requirements for corrosion prevention, rust prevention, and aesthetics.

2、 Why are straight wire tubes widely used in industry?
1. High cost-effectiveness
Under working conditions that do not involve extreme high pressure, high temperature, or special corrosive environments, straight wire pipes can meet the vast majority of load-bearing and fluid transport needs;
Compared to seamless pipes, its cost is 30% to 50% lower, making it the preferred material.
2. Strong standardization and good adaptability
The straight wire tube complies with various international standards such as GB, ASTM, DIN, EN, etc., making it easy to export and use in supporting equipment;
The length, outer diameter, and wall thickness specifications are complete and can be customized according to needs.
3. Strong processing adaptability
Suitable for subsequent processing (such as stamping, welding, bending, etc.);
It is a material for many small and medium-sized manufacturing enterprises and automation equipment manufacturers.
4. Extremely wide range of applications
From ordinary building structural components, shelves, guardrails, to various industries such as automotive fittings, fitness equipment, agricultural facilities, water conservancy engineering, chemical transportation, etc;
Especially in light industry and civil engineering, it is almost ubiquitous.