We utilize only prime, traceable steel sourced from top-tier mills like HBIS and Baosteel. Our advanced production lines, including high-frequency welding (HFW) and electric resistance welding (ERW), ensure precise, consistent, and high-strength welds. The resulting Black Square and Rectangular Tube offers superior performance.
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Black Square and Rectangular Tube for Sale
Uncompromising Strength & Versatility: Black Square and Rectangular Tube
Key Material & Process Advantages
1. High-Strength Options: Available in multiple grades to meet specific yield and tensile strength requirements.
2. Superior Weld Integrity: Advanced welding techniques create seamless, durable joints that match the strength of the base material.
3. Exceptional Dimensional Accuracy: Tight tolerances on outer dimensions (OD) and wall thickness guarantee fit-for-purpose performance and easier assembly.
4. Excellent Uniformity: Consistent cross-section and wall thickness throughout the length ensure predictable behavior under stress.
Technical Parameters
Our Black Square and Rectangular Tube is produced to meet a wide array of international standards. The following table outlines our standard size range and common specifications, all of which can be customized.
Parameter |
Standard Range |
Notes |
Cross-Section Size |
10×10mm to 1000×1000mm |
Custom intermediate |
Wall Thickness |
0.5mm to 60mm |
Optimized for various |
Length |
Standard 6m or 12m, |
Cut-to-length services |
Common Steel Grades |
ASTM A500 Gr. A/B/C, |
Other grades like S420, |
Surface Finish |
Mill finish |
Ideal for painting, |
Your Vision, Precisely Formed: Customization Services
Beyond standard stock, we specialize in tailoring Black Square and Rectangular Tube to your exact project demands.
Full-Scale Customization Options:
● Grade & Chemistry: Select from an extensive portfolio of steel grades to meet specific mechanical properties, weldability, or environmental compliance (e.g., CE, JIS, ASTM certifications).
● Dimensional Precision: Specify exact outside dimensions, wall thickness, and length. We specialize in producing both large-scale structural tubes and precision tubes for machinery.
● Secondary Processing: Benefit from value-added services including precision cutting, drilling, end finishing, or pre-treatment for coating.
Quality Assured, From Mill to Site
Yuantai Derun integrates rigorous quality control at every stage. Our process includes:
Raw Material Inspection: Verification of mill test certificates (MTC) and in-house chemical analysis.
● In-Process Checks: Automated monitoring for dimensional accuracy, straightness, and surface quality.
● Final Verification: Comprehensive testing such as tensile strength, hardness, and non-destructive ultrasonic testing (UT) available upon request.
● Certification: Products are backed by ISO 9001, CE (EN 10219), and other major international certifications.
Partner with Yuantai Derun for Black Square and Rectangular Tube that combines industrial strength with limitless potential. Request a quote or free sample today to validate our quality for your application.
