1. Material & Standards（材质与标准）
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Material: Carbon Steel
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Grades: ASTM A53 Gr.B / Q235
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Standards: ASTM A53, EN 10240, BS 1387
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Type: ERW / Welded Galvanized Pipe
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Coating/Finish: Hot-Dip Galvanized (Zinc ≥ 610g/m², Salt Spray Resistance > 1,000 hrs)
2. Key Specifications（主要规格参数）
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Size Range: 1/2" to 12" (DN15 to DN300)
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Wall Thickness: SCH40 / SCH80 or Custom
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Pressure Rating: Suitable for Fire Sprinkler and Hydrant Systems
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Length: Standard 6m / 12m, Custom Length Available
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Surface Protection: Hot-Dip Galvanized for Corrosion Resistance
3. Features & Benefits（特点与优势）
✔ Pressure-Resistant – Designed for reliable performance under high-pressure sprinkler systems
✔ Corrosion-Resistant – Galvanized coating protects against rust in humid environments
✔ Certified Safety – UL/FM certified for compliance with fire protection standards
✔ Easy Installation – Standardized sizes simplify assembly in sprinkler and hydrant networks
4. Applications（适用范围）
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Fire Sprinkler Systems
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Fire Hydrant Piping
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Building Fire Protection Networks
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Industrial and Commercial Fire Safety Piping
5. Certifications（认证）
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Mill Test Certificate (MTC)
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UL/FM Fire Protection Certification
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ISO 9001 Certified
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Hydrostatic & Ultrasonic Tested
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.
