Black Welded Square Steel Pipe, Hightoughness Carbon Steel Black Mill Surface

Name: Black Welded Square Steel Pipe, Hightoughness Carbon Steel Black Mill Surface
Brand: Tianjin Lucky Steel Co, . Ltd
SKU: 2189990192

Tianjin, ChinaTianjin Lucky Steel Co, . Ltd

US$360.00-560.00

5 Tons

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Standard

AISI, ASTM

Technique

Hot Rolled

Model NO.

20X20-500X500mm

Wall Thickness

1.3mm-15.75mm

Surface Treatment

Galvanized

Alloy

Structural Steel

Material

Carbon Steel

Section Shape

Square

Usage

Machinery Industry

Od

20X20-500X500mm

Length

5.8m/6m or Customization

Transport Package

Steel Strip or PVC Package

Specification

Customized

Trademark

Origin

China

Key features

Wide Size Coverage: OD 20x20-500x500mm, wall thickness 1.3-15.75mm, lengths 5.8m/6m or custom.

Custom Length Available: Standard 5.8m/6m with custom cut lengths acceptable for diverse project needs.

Flexible Customization: Full customization options including samples, designs, and minor adjustments.

Strict Quality Control: 100% inspection of raw materials and finished products before shipment.

Global Export Capability: Exported to 50+ countries with efficient logistics from Tianjin Port.

Compliance with Standards: Meets ASTM A500, EN10219, JIS, DIN, and BS standards with test certificates.

Delivers exceptional load-bearing capacity, rigidity and durability.

Superior materials, reliable quality for longer service life.

Company profile

Importers and ExportersExhibition ExperienceIn-stock CapacityQuality Assurance

Tianjin Lucky Steel Co, . Ltd

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.01h

About Our Factory & Business Background

AddressB609, Haitaixinxi Guangchang, Huayuan District, Nankai Zone, Tianjin, China

Plant Area110 square meters

Number of Employees8

Registered Capital5,000,000 RMB

Terms of PaymentLC, T/T, D/P

International Commercial Terms(Incoterms)FOB, CIF, CFR

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

Minimum Order Quantity1

Supply Chain Partners5

Our Production Capability & Technical Expertise

Main ProductsGalvanized Steel Pipe, Steel Tube, Angle Bar, Steel Sheet

QA/QC inspectors1 people

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

Inspection Method for Finished ProductsHave instruction but no written records

R&D Engineers1 people

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2023-10-19

Main MarketsSouth America, Southeast Asia/ Mideast, Africa

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff4

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:What surface finishes are available for steel tube and pipe?

We supply black finish, hot dip galvanized and painted. Hot dip galvanizing improves anti corrosion performance for outdoor and coastal environment. Custom surface treatment is available with third party inspection

Q:Can you cut to custom lengths? What is your length range?

Custom cutting is available. Standard lengths are 5.8m and 6m, short cut to length pieces are acceptable.

Q:What standards do your square rectangular tubes comply with? Can tolerances meet export requirements?

Products comply with ASTM A500, EN10219. Tolerances on dimension, wall thickness and straightness are within standard limits. Widely used for steel frames, support structures and equipment bases. Material test certificate is available