Square / rectangular / round Black welded steel pipe steel tube steel hollow section from China

Compared with other types of square tubes, cold-drawn seamless square tubes have the following advantages and characteristics:

First, cold-drawn seamless square tubes have higher dimensional accuracy and can meet more stringent dimensional requirements;

Secondly, the surface quality of cold-drawn seamless square pipe is better, the finish is high, and it is not easy to produce surface defects;

In addition, the cold-drawn seamless square pipe has good mechanical properties, especially in terms of strength and pressure resistance. These characteristics make the cold-drawn seamless square pipe widely used in many fields.

SPECIFICATION:

Quality control:

Raw material inspection: Quality inspection of raw material square tubes entering the production process, including chemical composition, mechanical properties and dimensional accuracy.

Process parameter control: In the cold drawing manufacturing process, strictly control process parameters such as temperature, drawing force and cooling speed to ensure the dimensional accuracy, mechanical properties and surface quality of the product.

Size inspection: Size inspection of the cold-drawn seamless square pipe to ensure that its outer diameter, wall thickness, length and other dimensions meet the requirements of the specification.

Non-destructive testing: It can effectively ensure the quality and reliability of cold-drawn seamless square pipe.

Application: 

1. Mechanical manufacturing: such as brake system, drive shaft, bearing housing, etc.

2. Automotive components: chassis components, body structure and exhaust systems.

3. Petrochemicals: refineries, chemical plants and natural gas pipelines.

4. Building structure: load-bearing columns, beams, bridge supports, etc.

Company profile:

Yige special Steel Co., Ltd 

Hunan Yige Special Steel Technology Co., LTD is is located in Hunan Province ,with a registered capital of 12 million yuan .It is specialized steel company integrating domestic trade and foreign trade.The company’s products are mainly high-performance and high-precision of special-shaped steel pipes,seamless pipes and other cold drawn materials.The warehouse has a total inventory of more than 10,000 tons with complete specifications.

Certificate display:

Our products meet a number of certifications.All the customers who have worked together have given high praise.If you are interested in our products, please feel free to contact me,I will provide you with the best price and service~

Packing and delivery:
We will provide our distinctive packing which improves the protection rate of goods by30%. Besides,we accept customized packing.

Cooperative partner:

SANY,SUNWARD,DOOSAN,ZOOMLION,CRRC,LEMKEN,ETC.

FAQ:

Q1:How about your price?

A1:Although we are brand-name products,  but our prices are very favorable and competitive.Customer from all over the world to purchase our products, because our best price.

Q2: Can we visit your factory? 
A2: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.

Q3: Do you have quality control?
A3: Yes, we have gained BV, SGS authentication.

Q4:Is it possible to send samples? 

A4:Of course, we offer free samples and express shipping to customers all over the world. 

Q5:Do you offer a service for customized products? 

A5:Yes, we can produce according to your specifications and drawings.