1. Material & Standards
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Material: Carbon Steel
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Grade: ASTM A53 Grade B (ERW/Seamless)
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Standards: ASTM A53 / ASME SA53
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Thread Type: NPT (ANSI B1.20.1) / BSPT (ISO 7/1)
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Coating: Hot-Dip Galvanized (ASTM A123) / Black Varnish
2. Key Specifications
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Size Range: 1/2" – 12" (DN15 – DN300)
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Wall Thickness: SCH20, SCH40, SCH80 (Custom Available)
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Pressure Rating: ≤ 2,000 PSI (13.8 MPa) depending on wall thickness
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Length: 5.8m / 6m / 12m or Custom Cut Length
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Ends: Threaded with Coupling / Plain End with Cap
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Surface Options: Galvanized (Zinc ≥ 610 g/m²) or Black Painted
3. Features & Benefits
✔ Versatile Application – Suitable for water, gas, air, and low-pressure systems
✔ Threaded Connection – Easy installation, no welding required
✔ Corrosion Resistance – Galvanized option provides enhanced durability outdoors
✔ Cost-Effective – Widely used in general piping and structural applications
4. Applications
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Water Supply & Plumbing Systems
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Fire Sprinkler Systems
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Low-Pressure Oil & Gas Pipelines
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Structural & Scaffolding Pipe
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HVAC & Compressed Air Systems
5. Certifications
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ASTM A53 / ASME SA53
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ISO 9001:2015
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MTC (Mill Test Certificate) Provided
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SGS / BV / TUV Third-Party Inspection Available
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.
