What are the typical applications for these galvanized square tubes?

They are widely used in construction (structural frames, scaffolding), solar mounting systems, fencing, greenhouses, agricultural structures, industrial machinery frames, and automotive OEM components.

ASTM Galvanized Square Tube En Standard Q355b Various Sizes Available

Name: ASTM Galvanized Square Tube En Standard Q355b Various Sizes Available
Brand: Shandong Kanghong Machinery Manufacturing Co., Ltd
SKU: 2154229812

Shandong, ChinaShandong Kanghong Machinery Manufacturing Co., Ltd

US$500.00-706.00

5 Tons

Product profile

Customization

Available

Type

Welded

Technique

ERW

Model NO.

Q235B Q355B ASTM A500

Material

Carbon Steel

Surface Treatment

Hot DIP Galvanized

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Food/Beverage/Dairy Products, Machinery Industry, Construction & Decoration, Special Purpose

Section Shape

Square

Standard

ASTM, GB, JIS, En

Grade

Q235B, Q355b, ASTM A500

Outer Dimension

20X20mm - 400X400mm

Wall Thickness

1.0mm - 12.0mm

Length

6m, 12m, as Customer's Request

Zinc Coating Weight

≥80G/M²

Zinc Coating Thickness

≥45μm

Yield Strength

≥235MPa

Tensile Strength

Tensile Strength 370-500MPa

Elongation

≥26%

Processing Service

Cutting, Drilling, Bending

Size Tolerance

±0.5mm

MOQ

5 Tons

Delivery Time

7-15 Days

Certification

ISO9001, SGS, BV

Transport Package

Packed in Bundles

Trademark

KANGHONG

Origin

Shandong, China

Production Capacity

500000 Ton

Key features

Wide Size Customization: Outer dimensions from 15x15mm to 600x600mm and wall thickness 0.6-30mm, fully customizable.

Multi-Standard Compliance: Strictly complies with ASTM A500, EN 10219, JIS G3466, AS/NZS 1163, and GB/T 6728 standards.

Versatile Processing Services: Offers cutting, drilling, bending, punching, and miter cutting to meet specific fabrication needs.

Certified Quality Assurance: Manufactured under ISO 9001 system with CE certification and third-party inspections by SGS/BV.

Broad Application Scope: Ideal for construction, solar mounting, fencing, greenhouses, and industrial machinery frameworks.

Durable Metallurgical Bond: HDG process ensures a strong metallurgical bond between zinc and steel for long-term durability.

Flexible Delivery Options: Standard lengths available with custom cut-to-length options; delivery within 7-15 days.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceProduction Process Visualization

Shandong Kanghong Machinery Manufacturing Co., Ltd

Shandong, 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: Foreign trade business has just begun CertifiedNearest Port: TianjinAverage Response Time: ≤6.00h

AI-Powered supplier vetting

SummaryThe supplier specializes in the R&D, production, and sales of various steel products with a strong global presence, exporting to over 50 countries. They offer extensive customization and design services, supported by a professional sales and quality control team. However, they lack a written corrective and preventive actions mechanism and have just begun their foreign trade business. Their financial data indicates a recent startup phase with minimal revenue and profit margins.

Supplier typeThe supplier is primarily involved in the R&D, production, and sales of stainless steel, carbon steel, and galvanized steel products, offering metal cutting and processing services.

After-Sales capabilityThe company provides comprehensive after-sales support and has a team committed to efficient trade services, including after-sales support.

R&D capabilityThe supplier has strong R&D capabilities, offering extensive customization and 3D software design services. However, they lack SDK availability.

Production capacityThe supplier has production facilities equipped with complete supporting facilities for stable production and supply of steel products.

Customization capabilityThe supplier offers a wide range of customization options, including full and minor customization, and customization from samples and designs.

Client casesThe supplier has exported products to more than 50 countries, suggesting a well-established global customer base.

Product Q&A

Q:What are the available size ranges and customization options?

Outer dimensions range from 15x15mm to 600x600mm, and wall thickness from 0.6mm to 30mm. We offer full customization for sizes, grades, and lengths (including custom cut-to-length) based on customer requirements.

Q:Which international standards do your products comply with?

Our products strictly comply with ASTM A500, EN 10219, JIS G3466, AS/NZS 1163, GB/T 6728, and BS EN 10210 standards, ensuring quality for global markets.

Q:What is the Minimum Order Quantity (MOQ) and delivery time?

The MOQ is 5 tons for general orders. Delivery time is typically 7-15 days. Note: Company info lists an MOQ of 27 tons for specific international commercial terms; please confirm with sales for precise requirements.

Q:Do you provide quality certifications and test reports?

Yes, all products are ISO 9001 certified and CE certified for Europe. We provide Mill Test Certificates (MTC) per EN 10204 3.1/3.2, and cooperate with third-party inspections by SGS, Bureau Veritas, and Intertek.

Q:What processing services are available for the square tubes?

We offer comprehensive processing services including cutting, drilling, bending, punching, miter cutting, and welding to meet specific fabrication and assembly requirements.