What are the payment terms?

We accept 30% TT in advance and the balance against the copy of B/L or irrevocable L/C at sight.

Hollow Section Pipe, Square Shape, Galvanized Steel for Construction

Name: Hollow Section Pipe, Square Shape, Galvanized Steel for Construction
Brand: TIANJIN FRIEND STEEL TUBE CO., LTD.
SKU: 2191256795

Tianjin, ChinaTIANJIN FRIEND STEEL TUBE CO., LTD.

US$760.00-820.00

10 Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Welded

Technique

ERW

Model NO.

Q195/Q235/Q345

Material

Carbon Steel

Surface Treatment

Galvanized

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Od

20mm*20mm~750mm*750mm

Thickness

1.0mm~20mm

Length

0.5m~12m

Surface

Black/Galvanized/Paint

Transport Package

Package by Bundle

Specification

Q195/Q235/Q345

Trademark

FRD

Origin

Made in China

HS Code

7306900

Production Capacity

30000tons

Key features

Customizable Dimensions: Outer diameter 20-750mm, thickness 1.0-20mm, length 0.5-12m available.

Multiple Surface Options: Available in Black, Galvanized, or Painted finishes to suit needs.

Wide Material Selection: Offers Q195, Q235, Q345, SS330, SPHC, and other carbon steel grades.

Robust Corrosion Resistance: Hot-dipped galvanized coating provides 200-400g/m2 zinc protection.

Versatile Application Range: Suitable for construction, machinery, oil/gas drilling, and fluid transport.

OEM Service Available: Customization from samples and OEM manufacturing services offered.

Fast Delivery Time: Ships within 7-15 days after receiving 30% TT deposit.

Strict Quality Control: 100% visual and functional inspection for all finished products.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

TIANJIN FRIEND STEEL TUBE CO., LTD.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 1 Year CertifiedNearest Port: Tianjin portAverage Response Time: ≤1.02h

AI-Powered supplier vetting

SummaryTIANJIN FRIEND STEEL TUBE CO., LTD. is a China-based limited company established in 2009 and located in Tianjin. It offers steel pipe and scaffolding products, reports five production lines, annual scaffolding-tube productivity of 5,000 tons, and stated order lead times of within 15 working days in both peak and off-peak seasons. The supplier states that it can handle special customer requirements and customized processing using imported materials, and that it maintains a dedicated after-sales team. ISO 9001:2015 and ISO 14001:2015 certificates are reported. Export sales are stated at 71%–90%, with exporting beginning in 2021. However, several capabilities remain unverified, including contract manufacturing status, inventory services, overseas facilities or agents, ODM/OEM, SDK-related R&D, and customer case details. Audit information identifies TÜV Rheinland, but the evaluation result is recorded as 0 without an explained grading scale.

Supplier typeThe supplier is identified as TIANJIN FRIEND STEEL TUBE CO., LTD., a China-based limited company in Tianjin established in 2009. The records also describe it as a combined entity and, in one slice, as a trading company, while its product description identifies steel-pipe and scaffolding manufacturing activities.

CertificationsThe supplier reports ISO 9001:2015 and ISO 14001:2015 certifications. A TÜV Rheinland audit is also recorded with a report period from March 19, 2025 to March 18, 2026, although the audit result is listed as 0 without interpretation.

After-Sales capabilityThe supplier explicitly states that it has a devoted and enthusiastic after-sales service team. It also claims to provide systems for delivery, invoicing, settlement, transportation, and goods storage, supporting a broader service process.

Production capacityThe supplier reports five production lines and annual scaffolding-tube productivity of 5,000 tons, with stated order fulfillment within 15 working days during both peak and off-peak seasons. Its product description covers high-frequency welded pipes, galvanized steel pipes, and scaffolding products, providing explicit evidence of operating production capability.

Customization capabilityThe supplier explicitly states that special customer requirements can be handled and that imported materials can be used for customized processing. However, formal manufacturing-contract status and ODM/OEM service availability are marked unknown, so the evidence supports customization claims but not the broader service categories.

Product Q&A

Q:What is black square & rectangular steel pipe?

Welding pipes is an incredibly efficient and robust method to join piping seamlessly. Steel pipes can be effortlessly welded together using techniques like MIG (Metal Inert Gas), TIG (Tungsten Inert Gas), or SMAW (Stick Metal Arc) welding. Prior to welding, it's crucial to ensure there are no gaps between the pipes. During the welding process, maintain perfect alignment to secure a sturdy and long-lasting connection.

Q:What is pre-galvanized square & rectangular steel pipe?

The pre-galvanized welded steel pipe refers to a type of welded tube that undergoes an intricate process of degreasing, rust removal,phosphorization, and drying before galvanization. These preliminary treatments enable the pipe to be conveniently coated with zinc, ensuring consistent coating thickness, robust adhesion, and significantly enhanced corrosion resistance.

Q:What is hot-dipped galvanized square & rectangular steel pipe?

Hot-dip galvanizing (HDG) involves immersing fabricated steel into a vat of molten zinc, where the iron undergoes a metallurgical reaction with the zinc to create a tightly-bonded alloy coating. This process grants the steel exceptional corrosion resistance and long-lasting protective qualities, making it a superior choice for robust construction needs.

Q:What are the available customization options for dimensions?

We offer customizable outer diameters from 20mm to 750mm, thickness from 1.0mm to 20mm, and lengths from 0.5m to 12m based on customer requirements.

Q:What is the minimum order quantity?

The minimum order quantity is 2MT for a trial order, with a standard requirement of 30 Tons.