Carbon Steel Chrome Plated Round Tube
Product Overview
Carbon Steel Chrome Plated Round Tube is manufactured from certified carbon steel materials through precision cold forming, automated welding, and controlled electroplated chromium finishing.
This product is produced in a continuous industrial manufacturing system designed for OEM and long-term bulk supply, ensuring stable quality across large-volume production orders.
It is widely used in:
•Furniture manufacturing systems
•Fitness equipment structures
•Industrial machinery frameworks
•OEM metal fabrication industries
We focus on repeatable mass production consistency rather than single-project manufacturing, making this product suitable for global supply chain procurement.
Key Specifications
|
Item |
Specification |
|
Outer Diameter |
6 mm – 219 mm (customizable) |
|
Wall Thickness |
0.5 mm – 6.0 mm |
|
Length |
3 m / 5.8 m / 6 m / customized cutting |
|
Material Grade |
Q195 / Q235 / Q345 or ASTM A500 equivalent |
|
Surface Treatment |
Electroplated Chromium |
|
Chrome Thickness |
0.2 – 1.0 μm (decorative), up to 5 μm (industrial grade) |
|
Tolerance |
±0.1 mm – ±0.5 mm |
|
Surface Finish |
Mirror / Bright finish (Ra ≤ 0.2 μm) |
Quality Control Statement
Each production batch is inspected through:
- Online dimensional measurement systems
- Surface sampling inspection
- Final pre-shipment quality verification
- Batch traceability record system
Material & Manufacturing Process
Certified Carbon Steel Base
We use industrial-grade carbon steel materials such as Q195, Q235, and ASTM A500 Grade B, which are widely applied in structural engineering and industrial manufacturing.
Key mechanical properties:
• Tensile strength: 370–500 MPa
• Excellent weldability and forming performance
• Stable structural behavior under load conditions
These materials are widely recognized in global engineering standards for their balance of strength and cost efficiency.
Automated Cold Forming & Welding Process
The tube is produced using controlled cold forming production lines, ensuring:
• Stable roundness and straightness control
• Consistent weld seam integrity
• High repeatability for mass production
This production method is widely used in industrial tubing manufacturing due to its scalability and stability.
Electroplated Chrome Surface Treatment
The product undergoes a fully controlled multi-stage electroplating process:
• Degreasing and surface cleaning
• Acid activation
• Chromium electro-deposition
• Drying and stabilization
Verified Technical Performance:
• Surface hardness: HV 800–1000
• Surface roughness: Ra ≤ 0.2 μm
• High-gloss mirror finish
• Enhanced wear and corrosion resistance
Corrosion Testing Standard:
Performance is evaluated according to ASTM B117 salt spray testing standard, widely used in international corrosion resistance verification for industrial coatings.
Product Advantages
Verified Corrosion Resistance Performance
The chromium layer forms a dense protective barrier that isolates oxygen and moisture, significantly reducing oxidation risk.
Under ASTM B117 test conditions, corrosion resistance is typically improved by 5–10 times compared to uncoated carbon steel.
Stable Appearance for Industrial Applications
The plating process ensures consistent brightness and surface uniformity across production batches.
Surface roughness is controlled at Ra ≤ 0.2 μm, making it suitable for visible structural applications such as furniture and retail display systems.
Cost-Optimized Alternative to Stainless Steel
Compared with stainless steel tubing, chrome plated carbon steel provides:
• 30%–60% lower material cost
• Comparable structural performance in most applications
• Higher cost efficiency for large-scale OEM production.
OEM Supply Stability
Our production system is designed for continuous manufacturing with strict process control:
• Stable dimensional consistency across batches
• Uniform chrome coating thickness
• Repeatable production for long-term contracts
• Scalable OEM supply capability
Quality Assurance & Verification System
International Standards Compliance
ISO 9001 Quality Management System.
ASTM A500 Structural Steel Standard.
EN 10219 Cold-Formed Structural Tubing Standard.
ASTM B117 Salt Spray Test Standard.
Full Quality Control System
Incoming Material Inspection (IQC)
In-Process Quality Control (IPQC)
Final Inspection Before Shipment (FQC)
Batch traceability system for every production lot.
Third-Party Verification (Available Upon Request)
Independent inspection and testing services can be arranged through:
SGS
Bureau Veritas (BV)
Other accredited third-party inspection agencies.
Factory Capability & Global Supply Experience
This product is manufactured in a continuous production system designed for OEM supply and long-term industrial cooperation.
Production Capability
Continuous cold forming production lines.
Automated electroplating system.
Batch-controlled manufacturing process.
Stable mass production capability for repeat orders.
Export Markets Served
North America (industrial furniture & fitness equipment manufacturing).
Europe (structural systems & retail display industries).
Middle East (construction & metal fabrication projects).
South America (OEM metal processing industries).
Packaging, Delivery & Trade Terms
MOQ: Negotiable based on specification.
Lead Time: 7–30 days depending on order volume.
Packaging: Anti-scratch film + steel strap bundling + wooden crate optional.
Trade Terms: FOB / CIF / EXW available.
Customization: Diameter, wall thickness, chrome thickness, cutting length.
Supply Chain Commitment
We focus on long-term OEM partnerships and repeat industrial supply, ensuring stable quality and consistent delivery performance for global buyers.
FAQ
Q: Will the chrome layer peel or flake during use?
A: No. The coating undergoes full surface preparation and controlled electroplating. Adhesion testing typically reaches ASTM D3359 4B–5B level, indicating strong bonding performance.
Q: Can chrome thickness be customized?
A: Yes. Standard decorative thickness is 0.2–1.0 μm. Industrial-grade applications can be increased up to 5 μm depending on performance requirements.
Q: Is it suitable for outdoor use?
A: Yes, but performance depends on environment. For coastal or high-humidity areas, enhanced protection is recommended for extended service life.
Q: Do you support OEM long-term supply contracts?
A: Yes. Our production system is designed for continuous manufacturing and stable repeat orders for OEM customers.
Q: Why choose this instead of stainless steel?
A: It provides a cost-efficient alternative with 30%–60% lower material cost while maintaining sufficient structural performance for most industrial applications.
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