What standards do the pipes comply with?

Our pipes comply with ASTM A53, ASTM A573, ASTM A283/Gr.D, BS1387-1985, GB/T3091-2001, GB/T13793-92, ISO630/E235B, JIS G3131, and JIS G3106.

What is the warranty period?

We provide a 2-year warranty for our products.

How are the products packaged for shipping?

Packing includes steel strips in bundles, woven cloth with 7 slats, wooden pallets, or according to customer requirements.

Rectangular Pipe Q235B Hot Dipped Galvanized Square Pipe Steel

Name: ASTM Round/Square/Rectangular Pipe Q235B Hot Dipped Galvanized Square Pipe Steel
Brand: Shanghai Changzeng Metal Co., Ltd.
SKU: 2222633825

Shanghai, ChinaShanghai Changzeng Metal Co., Ltd.

US$498.00-558.00

1 Ton

Sample price:US$458.00/ton.Request sample

Product profile

After-sales Service

Support

Warranty

2 Years

Additional Service

Cutting, Drilling

Model NO.

Q235b

Product Name

Z Channel Purlin

After-Sale Service

Solve Any Problems for Clients

Company Years

12 Years

Shipping Service

Cheaper and Realiable

Delivery Time

7 Days

Quality Control

as Request

Place of Origin

Shanghai, China

MOQ

1ton

Package

Standard Seaworth Packing

Usage

Construction Structure

Payment Term

30%Tt Advance + 70% Balance

Transport Package

1. Big Od/ Bulk Small Od: Packed by Steel Strip

Specification

GB, ASTM, AISI

Trademark

Origin

Shanghai

Production Capacity

5000 Tons/ Month, 15000 Tons/ Season

Key features

Extensive Size Range: Square/Rectangular pipes from 20x20mm to 500x500mm with various thickness options.

Multiple Material Grades: Available in Q235B, ASTM A36/A53/A500, SS400, S235JR, S355TRH, and more.

Flexible Customization: Supports cutting, drilling, bending, punching, and color painting based on requirements.

Wide Application Scope: Ideal for construction structures, shipbuilding, bridges, automobile chassis, and machinery.

Strict Quality Control: 100% inspection with third-party options like ISO, SGS, and BV available.

Fast Delivery Capability: Lead time of 3-15 working days supported by large stock and export experience.

Secure Packaging: Standard seaworthy packing including steel strips, woven cloth, or wooden pallets.

Reliable After-Sales: 2-year warranty with support to solve any problems for clients.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceFast DeliveryLow MOQ

Shanghai Changzeng Metal Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.72h CertifiedTerms of Payment: LC, T/T, PayPal

About Our Factory & Business Background

AddressMeilan Lake, Baoshan District, Shanghai, China

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1 Ton

Supply Chain Partners20

Our Production Capability & Technical Expertise

Main ProductsSteel Structure, Square Tube, Galvanized Steel Sheet Coil, Cold Rolled Steel Sheet Coil, Stainless Steel Sheet, Steel Channel, Steel H Beam, Angle Steel, Seamless Pipe, Round Tube

QA/QC inspectors1 people

Inspection Type for Finished Products100% inspection(Function inspection & Visual inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers1 people

Traceability of Raw MaterialsYes

Own BrandYes