Which international standards do these tubes comply with?

Our products comply with standards such as ASTM A500, EN10219, BS EN10219, and GB/T6728.

What is the range of wall thickness available?

Wall thickness options range from 0.5mm to 20mm, allowing for various structural strength requirements.

What are the common applications for these steel tubes?

They are widely used in steel construction, mechanical manufacturing, shipbuilding, automobile manufacturing, and furniture.

ASTM Standard Carbon Steel Square Steel Tube Profile

Name: ASTM Standard Carbon Steel Square Steel Tube Profile
Brand: Tianjin Youfa International Trade Co., Ltd.
SKU: 2027719955

Tianjin, ChinaTianjin Youfa International Trade Co., Ltd.

US$580.00-750.00

1 Ton

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Surface Treatment

Black

Usage

Machinery Industry, Construction & Decoration

Commodity

Welded Steel Rectangular Square Tube Pipe

Rectangular Tube

10X20mm-400X600mm

Square Tube

20X20mm-500X500mm

Wall Thickness

1.0-20.0mm

Length

6.0m, 5.8m, 1-12.0m

Steel Grade

S235jr/S355;ASTM A500;Stk400/Stk500

Zinc Coating

40GSM-600GSM

Business Type

Manufacturer & Exporter

Transport Package

in Bundle by Steel Strip

Trademark

Youfa

Origin

China

HS Code

7306610000

Production Capacity

10000000 Metric Ton

Key features

Wide Size Range: Square tubes 20x20-500x500mm, Rectangular tubes 10x20-400x600mm.

Flexible Wall Thickness: Wall thickness options from 0.5mm to 20mm for diverse structural needs.

Multiple Surface Treatments: Available in Black, Galvanized, and Oiled finishes to prevent rust.

Customizable Length: Standard lengths 5.8m/6m, or customized based on your specific request.

Multiple Steel Grades: Supports S235jr, S355, ASTM A500, Stk400/Stk500, and Q235/Q345.

Strict Quality Standards: Complies with ASTM A500, EN10219, BS EN10219, and GB/T6728.

Fast Delivery Time: Standard delivery within 20 days or as per your specific request.

Versatile Applications: Ideal for construction, machinery, shipbuilding, and furniture manufacturing.

Company profile

Cooperated with Fortune 500Exhibition ExperienceRaw-Materials TraceabilityRaw Materials Reports

Tianjin Youfa International Trade Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤5.51h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 83 employees, an affiliated company, a valid import/export license, and stated OEM experience for well-known brands. It offers extensive customization and ODM services, reports new products within the past year, and provides substantial listed production capacity, including 657,000 tons of scaffolding and 50,000 tons of stainless steel pipe and fittings. Service procedures, corrective and preventive actions, and complaint-handling records are stated to exist. However, no valid manufacturing-capacity contract with the factory and related subcontractors is reported, and the supplier lacks overseas warehouses, showrooms, agents, or branches. Digitalization has started, but ERP integration and big-data use are absent. Evidence is insufficient for certifications and specific customer cases.

After-Sales capabilityThe supplier states that it has documented and followed procedures for service-capability assessment, corrective and preventive actions, and customer complaints. It offers in-stock service capacity and one-month stated lead times in both peak and off-season, but has no overseas warehouse, showroom, agent, or branch support.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and has broad R&D customization capabilities. It has started enterprise digital-process development, but lacks an available SDK, ERP integration, and big-data capability, indicating innovation activity with incomplete digital infrastructure.

Production capacityReported annual capacities include 657,000 tons of scaffolding and 50,000 tons of stainless steel pipe and fittings, alongside several steel-pipe categories. The supplier also reports inventory capability and a one-month lead time, but states that no valid manufacturing-capacity contract exists with its factory and related subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also states that it provides ODM services. This is direct evidence of broad customization support.

Product Q&A

Q:What are the available sizes for square and rectangular tubes?

Square tubes range from 20x20mm to 500x500mm, and rectangular tubes range from 10x20mm to 400x600mm.

Q:What surface treatments are available for these steel tubes?

We offer Black, Galvanized, and Oiled surface treatments to prevent rust and meet different aesthetic or functional requirements.

Q:Can the length of the tubes be customized?

Yes, standard lengths are 5.8m and 6m, but we can customize the length based on your specific request.

Q:What steel grades are supported for these products?

We support various grades including S235jr, S355, ASTM A500, Stk400/Stk500, and Chinese grades like Q235 and Q345.

Q:What is the typical delivery time for orders?

The standard delivery time is within 20 days, or it can be arranged according to your specific request.

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