What standards does the pipe meet?

Standards include ASTM-A53, BS 1387-1985, GB/T 3091-2001, and ASTM A500.

Does the company provide quality testing?

Yes, we have a CNAS accredited experimental testing center and perform three-level quality inspections.

What are the main applications for these pipes?

Applications include basic building, greenhouse construction, high-speed fencing, photovoltaic stents, and sports equipment.

Tube

Name: GB Standard Hot Dipped Galvanized Steel Pipe Galvanized Square /Rectangular Steel Pipe/Tube
Brand: Tianjin Tianyingtai Steel Pipe Co., Ltd.
SKU: 790540432

Tianjin, ChinaTianjin Tianyingtai Steel Pipe Co., Ltd.

US$799.00

10 Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Welded

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Galvanized

Usage

Construction & Decoration, Special Purpose

Section Shape

Round

Transport Package

Bulk

Specification

API-5L ASTM-A53, Bs1387-1985, GB/T3091-2001

Trademark

TYT

Origin

Tianjin China

HS Code

7306309000

Key features

Customizable Dimensions: Length 0.3-13m and sizes 10*10-400*600mm available as customer request.

Flexible Surface Treatment: Options include pre-galvanized, hot dip galvanized, oiled, painted, or bare as needed.

Custom Zinc Coating: Zinc coating 50-150g/m2 for pre-galvanized or over 200g/m2 for hot dip galvanized.

Diverse Material Grades: Available in Q195, Q215, Q235, Q345, and Q195-Q235 ABCD standards.

Multiple End Treatments: Plain, beveled, threaded with sockets, necking down, expanding neck, or punched holes.

Fast Stock Delivery: Lead time within 7 days for 6m length stock pipes from factory.

Comprehensive Quality Control: Three-level quality testing: production line, warehousing, and pre-loading.

International Certifications: Holds ISO, CE, LR, Philippine certificates and supports SGS, BV third-party testing.

Company profile

Importers and ExportersIn-stock CapacityCustomization from Samples

Tianjin Tianyingtai Steel Pipe Co., Ltd.

Tianjin, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤11.43h

AI-Powered supplier vetting

SummaryTianjin TianYingTai (TYT) Steel Pipe Co., Ltd. is a combined steel manufacturing and processing supplier with stated experience of 18 years, 13 steel-pipe production lines, 10 processing lines, and two hot-dipped galvanizing lines. Its business scope covers steel rolling, metal structures and materials, metal-product R&D, and photovoltaic equipment sales. The supplier holds ISO9001:2015, ISO14001:2015, and ISO45001:2018 certifications, and reports quality assurance and inventory capacity. However, it has no available SDK, no overseas warehouse, showroom, agents, or branches, and no participation in offline trade shows. Manufacturing capacity is not fully verifiable because no valid contract with related subcontractors is reported. Financial records are referenced by year, but no substantive financial results are provided. Formal complaint-handling, corrective-action, and approved-supplier procedures are also absent from the evidence.

Supplier typeThe supplier is identified as a combined company engaged in steel production, sales, processing, greenhouse engineering, export, and related metal-product activities. Its stated business scope also includes steel rolling, metal structures, metal materials, metal-product R&D, and photovoltaic equipment and component sales, indicating a manufacturer with integrated processing and trading activities.

CertificationsThe supplier reports ISO9001:2015 and ISO45001:2018 certificates, as well as ISO14001:2015 certification and other certifications. These explicitly demonstrate certified quality, environmental, and occupational-health-and-safety management coverage.

Production capacityThe supplier reports 18 years of experience, 13 steel-pipe production lines, 10 processing lines, two environmental hot-dipped galvanizing lines, and inventory capacity. However, it also reports no valid manufacturing-capacity contract with associated subcontractors, while another record states seven production lines, so the full capacity profile is not entirely consistent.

Customization capabilityThe supplier explicitly provides steel processing, metal-structure manufacturing, metal-material manufacturing, and greenhouse engineering with accessories, supported by its own factory and processing center. These activities demonstrate relevant processing and product adaptation capability, although specific customization examples or limits are not provided.

Product Q&A

Q:What are the available size ranges?

OD ranges from 20-219.1mm, WT from 0.8-12mm. Sizes include 10*10-400*400mm and 10*20-400*600mm.

Q:Can the product dimensions be customized?

Yes, length can be 0.3-13m and surface treatment can be customized according to customer needs.

Q:What is the minimum order quantity?

The MOQ is 5 tons for normal sizes and materials.

Q:What are the payment terms?

Payment terms include TT deposit plus balance against BL copy, LC, or 100% LC at sight.

Q:How long is the lead time for customized orders?

Lead time is 20-25 days for customized pipes depending on the quantity.

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GB Standard Hot Dipped Galvanized Steel Pipe Galvanized Square /Rectangular Steel Pipe/Tube