What surface treatments are available for the steel tubes?

Surface treatments include Black, Oiled, Painted (Yellow, Orange, Red, Black, Green), and Galvanized options to prevent rust and meet specific usage requirements.

How long is the delivery time for orders?

The standard delivery time is 10-15 days. For larger orders or specific requirements, delivery can be completed within 20 days or as requested.

Are quality certifications available for the products?

Yes, our products are verified by CE, ISO, and SGS. We provide MTC reports with shipment, and third-party inspections are acceptable after production.

Durable ERW Square Rectangular Tube Wholesale for Construction and Structural Use

Name: Durable ERW Square Rectangular Tube Wholesale for Construction and Structural Use
Brand: Topregal (tianjin) Industrial Co., Ltd.
SKU: 2114837822

Tianjin, ChinaTopregal (tianjin) Industrial Co., Ltd.

US$550.00

5-99 Tons

US$520.00

100-199 Tons

US$480.00

200+ Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24-Hour Service

Warranty

Permanent

Model NO.

According to customer's requirement

Type

Welded

Technique

Cold Rolled,Hot Rolled

Material

Carbon Steel

Surface Treatment

Oiled/Painted/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

Section Shape

Square or Rectangular

Square Pipe Size

20mmx20mm-500mmx500mm

Rectangular Tube

10mmx20mm-400mmx600mm

Wall Thickness

0.50mm - 20.0mm

Length

5.8m or 6m or Based on Customer Request

Steel Grade

Q195b/Q235B,S235jr/S355;ASTM A500;Stk400/Stk500

MOQ

5 Tons for Each Size

Delivery Time

10-15 Days

Painted Color

Yellow, Orange, Red, Black, Green

Pipe Usage

Machinery Industry, Construction & Decoration

Payment Term

Tt or 100% LC at Sight

Trade Term

Fob,CIF,CFR,EXW

OEM Logo

Transport Package

in Bundle by Steel Strip

Specification

Based On Customer's Requirement

Trademark

Topregal

Origin

China

HS Code

7306610000

Production Capacity

500000tons/Year

Key features

Customizable Dimensions: Square pipes 20x20-500x500mm, Rectangular tubes 10x20-400x600mm, Wall thickness 0.5-20mm.

Permanent Warranty: Lifetime warranty coverage with 24-hour after-sales service support for all products.

OEM & Custom Logo: Accepts OEM logo customization and flexible customization from samples or designs.

Multiple Surface Treatments: Available in Black, Oiled, Painted (Yellow, Orange, Red, Black, Green), or Galvanized finishes.

Wide Steel Grade Options: Supports Q195, Q235, Q345, S235jr, S355, ASTM A500, and other international standards.

Certified Quality Assurance: Verified by CE, ISO, and SGS with MTC reports and third-party inspection acceptance.

Flexible Payment Terms: Accepts T/T, 100% LC at sight, D/P, PayPal, Western Union, and Money Gram.

Fast Delivery Time: Standard delivery within 10-15 days, or within 20 days based on order requirements.

Company profile

High Repeat Buyers ChoiceFlexible CustomizationQA/QC InspectorsQuality Assurance

Topregal (tianjin) Industrial Co., Ltd.

Tianjin, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2008-04-03 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤5.36h

About Our Factory & Business Background

Address1-606-1, Furun Center, southwest of the intersection of Jiangxi Road and Hefei Road, Hexi District, Tianjin City

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Money Gram, Small-amount payment

International Commercial Terms(Incoterms)FOB, EXW, CFR, CIF, FCA, Others, DAT, FAS, DDP, DAP, CIP, CPT

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsHot Rolled Steel Coil, Welded Pipe, Steel Pipe, Steel Coil, Galvanized Steel Pipe, Angle Steel, H-Beam, Steel Plate, Galvanized Corrugated Sheet, Cold-Rolled Steel Sheet

Inspection Type for Finished ProductsRandom inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instruction but no written records

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

New Products Launched in Last yearYes

Product Q&A

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

Square pipes range from 20x20mm to 500x500mm, and rectangular tubes range from 10x20mm to 400x600mm. Wall thickness is available from 0.5mm to 20.0mm.

Q:What steel grades are available for these products?

We provide various steel grades including Q195, Q235, Q345, S235jr, S355, ASTM A500, Stk400, and Stk500 to meet different international standards.

Q:Can I customize the product with my own logo or design?

Yes, we accept OEM logo customization. We also support full customization, minor customization, and flexible customization from samples or designs.

Q:What is the warranty period and after-sales service?

We offer a permanent warranty for all mechanical defects. Additionally, we provide 24-hour online after-sales service to ensure efficient support before and after sale.

Q:What are the payment terms and minimum order quantity?

The MOQ is 5 tons for each size. Payment terms include T/T, 100% LC at sight, D/P, PayPal, Western Union, and Money Gram.