How long is the delivery time?

Standard delivery is within 15-20 days. Off-season lead time is within 15 workdays, while peak season may take 1-3 months.

What quality certifications and inspections are provided?

We are CE, ISO, and SGS certified. MTC reports are provided with shipment, and third-party inspections are acceptable after production.

Do you offer after-sales service and warranty?

We provide 24-hour online service. We support 100% refund if any quality problem cannot be solved by us.

Premium Q235B ERW Rectangular Carbon Steel Pipe for Construction

Name: Premium Q235B ERW Rectangular Carbon Steel Pipe for Construction
Brand: Topregal (tianjin) Industrial Co., Ltd.
SKU: 2113666202

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

US$590.00

5-49 Tons

US$550.00

50-99 Tons

US$530.00

100+ Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24-Hour Service

Warranty

24-Hour Service

Model NO.

According to customer's requirement

Type

Welded

Technique

Hot Rolled/Cold Rolled/ERW

Material

Carbon Steel

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

Square Pipe Size

20X20mm--500X500mm

Rectangular Pipe Size

20X40--400X600mm

Wall Thickness

0.50mm-20mm

Length

Usually 5.8m, 6m or as Customer Request

Surface

Black, Oilded or Black Painted

Steel Material

Q195/Q215/Q235/Q345/#20/#45

Pipe Usage

Construction Structure

MOQ

5 Ton

Delivery Time

15-20 Day

Payment Term

Tt or 100% LC at Sight

Trade Term

Fob,CIF,CFR,EXW

Invoicing

by Theoretical Weight

Transport Package

Package by Bundles and PVC Package

Specification

20x20mm--500x500mm

Trademark

Topregal

Origin

China

HS Code

7306610000

Production Capacity

50000 Tons/Year

Key features

Wide Size Customization: Square pipes 20x20-500x500mm, Rectangular 20x40-400x600mm, Wall thickness 0.5-20mm.

Multiple Material Grades: Available in Q195, Q215, Q235, Q345, #20, #45 carbon steel to meet specific strength needs.

Flexible Surface Treatment: Options include Black, Oiled, Black Painted, or Galvanized surfaces for rust prevention.

Strict Quality Assurance: ISO certified with MTC reports, third-party inspection accepted, and 15+ years experience.

Fast Delivery Time: Standard delivery within 15-20 days, with off-season lead time within 15 workdays.

Versatile Usage Scenarios: Ideal for construction, machinery, automotive, shipbuilding, oil/gas drilling, and pipelines.

Secure Payment Terms: Supports T/T or 100% L/C at sight, ensuring secure transactions for international trade.

24-Hour After-Sales Service: Professional team provides 24-hour online support for pre-sale and after-sale inquiries.

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: ≤5.35h

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 pipes?

Square pipes range from 20x20mm to 500x500mm, and rectangular pipes range from 20x40mm to 400x600mm. Wall thickness is customizable from 0.5mm to 20mm.

Q:What steel materials and grades are available?

We provide Q195, Q215, Q235, Q345, #20, and #45 carbon steel. Specific mechanical properties and chemical compositions vary by grade.

Q:What surface treatments can be applied to the pipes?

Surface options include Black, Oiled, Black Painted, or Galvanized to prevent rust, depending on customer requirements.

Q:What is the minimum order quantity (MOQ)?

The MOQ is 5 Tons. Different quantities may have different discounts.

Q:What are the payment terms?

We accept T/T or 100% L/C at sight. Multiple payment methods are supported; please contact us for details.