Name: Uncoated Square & Rectangular Tubes - Direct Forming for Construction or Structural Applications
Brand: Zhongtong Dingxing
Availability: InStock
Rating: 5 (1 reviews)

Description

Key attributes

Size	20x20mm - 400x400mm
Wall thickness	1.3mm - 20mm
Length	6m in stock( or customized)
Material	Q195, Q235, Q345
Surface	Black, or Galvanized and Oiled to prevent the rust
Standard	ASTM A53 Gr. A, B, C
Place of Origin	Tianjin, China
Delivery Time	15-21 days
Application	Structure Pipe, Fluid Pipe, Chemical Fertilizer Pipe
Processing Service	Welding, Punching, Bending, Cutting
Certificate	ce, ISO9001, API , Bsi, BIS, KS, JIS, GS

Pipes can be Customized according to customer's requirement on outside diameter and wall thickness withGalvanized coated or black painted(3PE, FBE, 3Pp)surface treatment.You can contact us to obtain more product lists.

Product Advantages

Outstanding Strength and Reliability
Manufactured from high-grade Q195, Q235, and Q345 steel, these uncoated tubes offer exceptional load-bearing capacity and stability, making them suitable for a wide range of structural applications. As expert steel pipe manufacturers, Zhongtong Dingxing ensures each tube is produced to meet the highest standards.

Customizable Size and Finish Options
Available in sizes from 20x20mm to 400x400mm and wall thicknesses from 1.3mm to 20mm, these tubes can be tailored to fit specific engineering needs. Options for black or galvanized square steel surfaces with oil coating provide additional protection and extended service life.

Efficient Bulk Supply and Fast Delivery
With the ability to fulfill both standard and custom orders, Zhongtong Dingxing delivers products within 15–21 days, ensuring project timelines are met. Bulk orders are handled with the same quality precision, making them a cost-effective solution for large-scale developments.

Versatile Processing Services
Offering welding, punching, bending, and cutting, these tubes can be prepared to exact specifications before delivery, reducing on-site labor and ensuring seamless installation.

Compliance with International Standards
Certified with CE, ISO9001, API, BSI, BIS, KS, JIS, and GS, these tubes meet global quality benchmarks, giving engineers and contractors confidence in every application.

Usage Scenarios

Scenario 1: Urban Infrastructure Frameworks
For bridges, pedestrian walkways, and public structures, Zhongtong Dingxing’s uncoated tubes provide the strength and stability required to endure heavy use and environmental exposure. Their robust steel composition ensures long-term performance with minimal maintenance.

Scenario 2: Agricultural Greenhouse Structures
In agricultural projects, these tubes form the backbone of durable greenhouse frames. The ability to customize dimensions ensures compatibility with different designs, while corrosion prevention treatments enhance longevity.

Scenario 3: Industrial Equipment Frames
Factories and manufacturing plants rely on sturdy frameworks for machinery and workstations. These tubes deliver the load-bearing strength and durability essential for heavy-duty industrial applications, ensuring safety and operational efficiency.

Scenario 4: Scaffolding in Construction Sites
Construction sites demand reliable scaffolding systems to ensure worker safety. Zhongtong Dingxing’s precision-formed tubes maintain consistent quality and performance under repeated use, making them a dependable choice for contractors.

Scenario 5: Custom Fabrication Projects
For unique architectural or engineering designs, these tubes offer the flexibility to be cut, bent, or welded into complex forms. This adaptability makes them a go-to choice for bespoke construction solutions requiring both strength and design freedom.

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