What's your quality control process?

Raw material inspection (steel billet) Forming/welding/seamless processing Hot-dip galvanizing Dimension calibration (OD/wall thickness/length) Zinc coating thickness check Pressure test (seamless pipes mainly) Final packing and delivery inspection

GB/T3091 Galvanized Welded Steel Pipe for Scaffolding

Name: GB/T3091 Galvanized Welded Steel Pipe for Scaffolding
Brand: Tianjin Boer King Steel Import and Export Co., Ltd.
SKU: 2277187575

Tianjin, ChinaTianjin Boer King Steel Import and Export Co., Ltd.

US$390.00-690.00

1 Ton

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Support

Warranty

1 Year

Type

Seamless

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Round

Product Name

Seamless Steel Pipe

Standards

ASTM/ASME/DIN/En

Standard 1

DIN 17175

Grade 1

A106 A53

Grade 2

API 5L

Others

Customized

Transport Package

by Sea

Specification

10-910mm

Trademark

Boer King

Origin

Tianjin China

HS Code

7304

Production Capacity

10000 Tons/Year

Key features

Superior Corrosion Resistance: Hot-dip galvanized surface forms a dense zinc oxide layer, extending service life by 3-5 times.

Full Customization Support: Customizable OD, wall thickness, length, zinc coating, and end treatment to meet specific needs.

Strict Standard Compliance: Manufactured in accordance with ASTM, BS, DIN, GB, API standards with stable mechanical properties.

Direct Manufacturer Price: Competitive factory prices from direct production lines with strict quality control.

Wide Application Range: Suitable for pipelines, scaffolding, greenhouses, structural support, and municipal engineering.

Multiple Material Options: Available in Q195, Q215, Q235, Q345 carbon steel with hot-dip or pre-galvanized finishes.

Flexible End Treatments: Plain end or API NPT threaded end, with thread size customizable per customer requirements.

Comprehensive Certificates: Provides material certificates, zinc coating test reports, pressure test reports, and third-party certs.

Company profile

Tianjin Boer King Steel Import and Export Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Trading CompanyExport Year: 2013-07-06 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤15h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

About Our Factory & Business Background

AddressNo. 602, 15th Floor, U Business District Building, Shuanggang, Tianjin, China

Plant Area314 square meters

Registered Capital10,000,000 RMB

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsCasing Pipe; Seamless Steel Pipe; High Pressure Boiler Tube; Spiral Steel Pipe; Stainless Steel Pipe

R&D Engineers1 people

Our Industry Experience & Global Business Record

Year of Establishment2013-07-03

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast

Number of Foreign Trading Staff8

Overseas Agent/BranchNo

Product Q&A

Q:What standards do your galvanized steel pipes comply with?

Main standards: ASTM A53, ASTM A500, BS 1387-1985, DIN, GB/T3091, GB/T21835, API 5L PSL1/PSL2. We can also produce according to customer-specific standards upon request.

Q:Are both welded and seamless types available?

Yes. Welded: High-frequency ERW welding, cost-effective for general water/gas/construction. Seamless: Better pressure resistance for high-pressure oil/gas and industrial applications.

Q:What end treatments can you provide?

Plain end (cut end) Threaded end: API NPT standard (common for North American market). Thread size/connection can be customized per customer requirements.

Q:What sizes and lengths do you supply?

OD: 1/2' to 48' (20mm to 1220mm) Wall thickness: 0.8mm to 20mm (per standard and specification) Length: 6m / 12m (standard), or custom length as required.

Q:What are your main applications?

Water supply & drainage Gas/oil transmission (low/medium pressure) Construction scaffolding & structural support Greenhouse frames Municipal pipeline engineering Irrigation systems, etc.