1. Material & Standards
Material: Carbon Steel
Grade: 20#
Standard: GB/T 8163
2. Key Specifications
Size Range: 10mm to 600mm OD (customized as required)
Wall Thickness: As per GB/T 8163 standard
Application Type: Non-pressure, general structural and fluid service pipe
Surface Treatment: Black, Varnished, Oiled, or Custom Coated
3. Features & Benefits
✔ High Strength & Durability – Manufactured from 20# carbon steel for reliable structural performance
✔ Versatile Applications – Suitable for construction, mechanical structures, and low-pressure fluid transport
✔ Seamless Construction – Provides uniform wall thickness and improved mechanical properties
✔ Cost-Effective – Widely available and economical choice for structural engineering projects
4. Applications
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General Structural Engineering
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Mechanical Fabrication
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Low-Pressure Fluid Conveyance
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Construction & Industrial Piping Systems
5. Certifications
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Mill Test Certificate (MTC)
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ISO 9001 Certified
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Mechanical & Chemical Testing Report
Frequently Asked Questions (FAQ)
1. Are you a manufacturer or trading company?
We are a manufacturer with our own factory located in Hebei, China.
2. What materials do you offer?
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Stainless Steel: 304, 304L, 316, 316L, 321, etc.
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Carbon Steel: ASTM A105, ASTM A350 LF2, Q235, Q345, etc.
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Alloy Steel: ASTM A182 F11, F22, F5, etc.
3. Which standards do your products comply with?
ASME B16.5, ANSI, ASTM, DIN, JIS, EN, GB — with third-party inspection available.
4. Do you support OEM/ODM customization?
Yes, we provide custom machining, coating, marking, and packaging based on your drawings.
5. What is your minimum order quantity (MOQ)?
MOQ is typically 1 piece for standard items; customized parts may vary.
6. Do you provide free samples?
Yes, free samples for standard sizes are available; buyers cover shipping cost.
7. What is your delivery time?
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In-stock: 3–5 working days
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Bulk/custom orders: 10–25 working days
8. How do you ensure product quality?
We perform full inspection: raw material verification, dimensional checks, pressure/leak tests, and surface finish inspection. Third-party testing is available upon request.
