ASTM A53 Pipe Nipples form a rigid link between components with female connections. The cylindrical body sets the space between a valve and an elbow, while the open bore carries fluid along the same centreline. External threads engage the fitting at either end. A barrel pattern leaves a plain middle section for gripping during assembly.
Surface treatment changes how the steel meets its surroundings. On a galvanized piece, zinc forms a barrier and corrodes preferentially to protect the underlying metal. Black pipe has no zinc layer; its corrosion protection therefore needs to suit the environment around the installed connection.
Product Parameters
|
Parameter |
Specification |
|
Pipe material |
Black and hot-dipped galvanized steel pipe conforms to ASTM A53 |
|
Finished nipple |
Welded steel nipples conform to ASTM A733 |
|
Thread |
NPT threads on nipples conform to ASME B1.20.1 |
|
Nominal size range |
1/8 inch to 6 inches |
|
Overall length |
From close nipples up to 2 meters |
Services We Provide
We accept drawings or samples for special orders and can follow customer packing requirements. Our stated minimum is 100 pieces, with a lead time of 20–25 days confirmed against the order. A mixed enquiry should identify the quantity for each item and any requirements for the ends.
Our Factory
Cangzhou Zexi Pipe Fittings Co., Ltd. manufactures ASTM A53 Pipe Nipples in Hebei, China. Our pipe fitting business has 30 years in production and research. Quality management follows ISO 9001:2015 requirements. We have trading relationships with about 60 companies across North America, South America and other markets. Stainless steel nipples also belong to our wider product range.
FAQ
Q: Can ASTM A53 Pipe Nipples connect to BSP fittings?
A: NPT and BSP use different thread forms. A shared nominal size does not establish compatibility; the mating connection must match the specified external thread.
Q: How is finished length measured?
A: The measurement runs from one end to the other, including both threaded portions. The visible gap between installed fittings excludes the sections engaged inside them.
Q: Does galvanizing provide a fixed service life?
A: lifespan estimate needs the actual exposure conditions. The coating is consumed during service, so one number of years cannot describe every installation.
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