QINGDAO BESTFLOW INDUSTRIAL CO., LTD.

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Your most trusted one-stop Steel pipe nipple manufacturer

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BAFAW manufactures steel pipe nipples for high-pressure threaded and welded pipeline systems in oil, gas, and industrial applications. Each nipple is produced from ASTM A105 / A182 / A350 materials, machined according to ASME B16.11 standards, and inspected for thread precision, straightness, and dimensional accuracy to ensure reliable and leak-free connections.

Supports Third-Party Inspection (RT, UT, PT, MT)

Products Tested Under ASME B16.11 / MSS-SP-83 / ASTM A105 Standards

Manufacturing Capability

BAFAW integrates forging, machining, and surface treatment in one facility to ensure full process control. All fittings are produced with precision tools, experienced technicians, and standardized procedures—so every batch meets the same performance standards.

Quality Assurance

Every order follows strict inspection—from raw material testing to dimensional and pressure checks. BAFAW’s QC team issues inspection reports for each batch, ensuring traceability and compliance before shipment.

FAQ About Steel pipe nipple

BAFAW manufactures pipe nipples according to ASME B16.11 and MSS-SP-83 standards.
All threads conform to ASME B1.20.1 (NPT) and ISO 7/1 (BSP / BSPT) to ensure global system compatibility and tight sealing performance.

We produce nipples using ASTM A105 (carbon steel), A182 F304/F316 (stainless steel), and A350 LF2 (low-temperature carbon steel).
All materials come with EN 10204 3.1 certificates and full heat number traceability for project-level assurance.

Our pipe nipples are available in Class 2000, 3000, and 6000, designed and pressure-tested per ASME B16.11.
Each unit is hydro-tested at 1.5× working pressure to ensure long-term leak-free service.

All nipples are CNC-cut and threaded with ±1 mm length tolerance and ≤0.3 mm straightness deviation per 300 mm length.
Every piece is visually and dimensionally inspected before shipment.

Threads are machined on CNC lathes and verified using calibrated plug and ring gauges.
Thread pitch and taper accuracy are controlled within ±0.05 mm, ensuring consistent engagement and leak-free performance.

Standard finishes include black oxide, zinc plating, and hot-dip galvanizing.
Galvanized coatings have a minimum 70 μm thickness, tested to withstand >500 hours of salt spray corrosion (ASTM B117).

Yes. We can produce close, short, long, and extra-long nipples based on customer drawings or specified thread engagement requirements.
Custom machining tolerance and marking are supported for OEM projects.

Stock items can be shipped in 7–10 days, while customized orders require 25–30 days.
The minimum order quantity is typically 50–100 pcs per size, with smaller sample orders available for testing.

Looking forward to working with you!

Whether you have precise specifications or just a concept, BAFAW is ready 24/7 to turn your piping needs into reliable reality.

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Product : Steel pipe nipple