Custom Roll-Formed Steel Channel Sections

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Custom Roll-Formed Steel Channel Sections

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Product Description

Basic Information

Model NO.

Special Shaped

Type

Seamless

Technique

Cold Drawn or Cold Rolled

Material

Carbon and Alloy

Surface Treatment

Oiled

Usage

Machinery Industry, Special Purpose

Section Shape

Special Section

Length

Customized

Delivery Terms

EXW/Fob/CIF/CFR

Standard

ASTM JIS GB

MOQ

1 Ton

HS Code

7304900000

Special-Shaped Tube Overview

A special-shaped tube refers to any steel or metal tubing with a cross-section other than the standard round, such as square, rectangle, oval, hexagonal, D-shape, or custom profiles. These are designed for enhanced structural strength, specific aesthetics, space-saving, and unique engineering functions in construction and machinery.

Common Shapes

Polygonal: Square, rectangular, triangular, hexagonal.
Curved: Oval, flat oval, D-shaped, fan-shaped.
Complex: Trapezoidal, lemon shaped, splined, finned.

Key Benefits

Structural: Higher torsional stability and bending resistance.
Functional: Integrated pathways for wiring or components.
Material Saving: Reduces structural weight and costs.

Technical Specifications

Type	Seamless/Welded	Technique	Cold drawn/rolled
Section Shape	Special Shaped	Length	Under 5.5m or Customized
Dimensional Deviation	Shaped: ±0.2mm \| Round: ±0.05mm	Curvature	≤3mm/m; ≤0.3%L
Material	Carbon or Alloy	Processes	Cutting, chamfering, punching, CNC turning, grinding

Irregular Shapes Produced:
D-shaped tube, Round grooved tube, Square groove tube, Knife shaped tube, Steamed bun tube, Flat oval tube, Oval tube, Horseshoe armrest tube, Hexagonal tube, Semicircular tube, Fan tube, Triangle tube, Gable shaped tube, Hexagonal plum blossom tube, Arched armrest tube.

Mechanical Properties (Heat-Treated State)

Steel Grade	Tensile Strength (Rm/Mpa)	Yield Strength (Rel/Mpa)	Elongation (A/%)
10	≥335	≥205	24
20	≥410	≥245	20
45	≥590	≥335	14
Q235B	370~500	≥235	25
Q345B	470~630	≥345	20

Manufacturing Capability

Specializing in the production of steel tubes and pipes for more than 30 years. Our facilities produce all kinds of steel tubes, including seamless pipes (wall thickness 1-14mm, OD 15-75mm), cold drawn/rolled pipes, precision welded pipes, alloy pipes, and special shaped pipes.

Frequently Asked Questions

Are you a trading company or manufacturer?

We are a professional manufacturer for steel pipes. We have extensive export experience with competitive pricing and dedicated after-sales service.

Will you deliver the goods on time?

Yes, we promise to provide the best quality products and ensure on-time delivery. Honesty is our primary tenet.

Do you provide samples? Is it free?

Samples can be provided to customers free of charge, though the freight cost is covered by the customer. Sample freight will be credited back once a cooperation is established.

What certifications do you hold?

We hold ISO9000, IATF16949, and ISO 14001 certifications. Our products are of high quality, supported by professional engineers and a development team.

What are your terms of payment?

For orders over 1000USD, we typically require 30% T/T in advance, with the balance due before shipment or against the copy of B/L. Irrevocable L/C at sight is also accepted.

Do you accept third-party inspection?

Yes, we absolutely accept third-party inspections to ensure product quality for our clients.