Do you provide quality certificates?

Yes, we provide the original copy of MTC (Mill testing certificate) upon request.

What are the available pipe sizes?

Outer diameter ranges from 16mm to 406mm, wall thickness from 0.6mm to 20mm, and lengths from 6m to 12m.

What standards do your pipes meet?

Our pipes meet standards such as GB/T 3091-2008, EN10296/10297, and ASTM A500.

Rectangle Pipe

Name: Hot DIP Galvanized Seamless/Welded Steel Pipe HDG Pipe Round Pipe/Square Pipe/Rectangle Pipe
Brand: Qingdao Ironsteel International Trading Co., Ltd.
SKU: 1898827885

Shandong, ChinaQingdao Ironsteel International Trading Co., Ltd.

US$680.00-980.00

5 Tons

Product profile

Customization

Available

Type

Seamless/Welded

Technique

Hot Rolled, ERW

Material

Carbon Steel

Surface Treatment

Galvanized

Usage

Pipeline Transport, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose

Section Shape

Round/Square/Rectangle

Length

6meters, 9meters, 12meters

Coating Type

Hot Dipped Galvanization

Type of Pipe

Seamless&Welded Round.Square Tube

Size

16mm~406mm

Thickness

0.6mm~20mm

Transport Package

Standard Seaworthy Packing

Specification

SGS, JIS, ASTM

Trademark

Iron&steel

Origin

China

HS Code

7306

Production Capacity

2000tons Per Month

Key features

Comprehensive Customization: Full customization available from samples, designs, and flexible minor adjustments.

Multiple Pipe Types: Offers seamless and welded pipes in round, square, and rectangle shapes.

Wide Size Range: Outer diameter 16mm-406mm, wall thickness 0.6mm-20mm, lengths 6m-12m.

Durable Galvanized Coating: Hot dipped galvanization with zinc coating 200g-550g based on standards.

Multiple Material Options: Available in Q235, Q195, 20#, 45#, SS400, Gr.B, S275, S355, etc.

Strict Quality Control: Production follows customer requirements with inspection and MTC provided.

Standard Compliance: Meets GB/T 3091-2008, EN10296/10297, ASTM A500, and other standards.

Fast Lead Time: Peak and off-peak season lead time within 15 working days.

Company profile

Importers and ExportersYears of Export ExperienceManagement CertificationHigh Repeat Buyers Choice

Qingdao Ironsteel International Trading Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 years CertifiedNearest Port: Qingdao Port, Tianjin PortAverage Response Time: ≤7.17h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D software design, ODM, OEM, and broad customization services. It reports quality-related certification support, including API, ISO, IBR, and SGS certifications, and holds an ISO9001:2015 certificate. Production and service lead times are stated as within 15 working days in both peak and off-peak seasons, with 11–20 quality-control staff and North America as the primary export market. However, the supplier has no available SDK, launched no new products in the past year, has only one year of R&D engineer experience reported, and lacks overseas showrooms, agents or branches, and offline trade-show participation. Environmental assessment documentation, raw-material traceability status, quality assurance status, and several process records are incomplete or unavailable. OEM service for popular brands provides evidence of customer-related experience, but no specific customer names or cases are supplied.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and provides 3D software design services. It also offers ODM and OEM services, indicating both technical-service and manufacturing capabilities.

CertificationsThe supplier states that it can provide certifications such as API, ISO, IBR, and SGS according to customer requirements, and specifically reports an ISO9001:2015 certificate. This is explicit evidence of certification-related capability, although no separate certificate details or validity dates are provided.

After-Sales capabilityThe supplier has no overseas showroom, overseas agent or branch, or offline trade-show participation, and reports zero countries with overseas services. It has written procedures for corrective actions and complaint handling, but no written records, so international after-sales coverage and documented execution remain limited.

R&D capabilityThe supplier provides professional technical services, 3D design, ODM, and customization, but reports no available SDK and no new products launched during the past year. Only one year of total R&D engineer experience is stated, while product-information R&D capability is also marked as having no new products, limiting evidence of recent innovation output.

Production capacityThe supplier reports 11–20 quality-control staff, an annual production-output range, and lead times within 15 working days during both peak and off-peak seasons. These statements support production and fulfillment capability, although detailed production capacity, equipment, and factory performance records are not provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its stated 3D design, ODM, and OEM services further support a broad ability to adapt products to customer requirements.