Brass Tube Fitting

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Rudra Tubefittings, located in Kolkata, India, specializes in crafting and supplying top-notch Brass Tube Fittings that ensure reliable, leak-proof connections for low- to medium-pressure fluid and gas systems. Brass is known for its excellent machinability, resistance to corrosion, and stability in dimensions, making these fittings perfect for a variety of applications, including general instrumentation, pneumatic circuits, cooling lines, and laboratory setups. Each of Rudra’s brass fittings is meticulously machined to guarantee consistent performance, easy installation, and strong resistance to vibrations. They promise a long service life, smooth operation, and hygienic fluid handling, making them a trusted choice for industries looking for cost-effective and clean tubing solutions.

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Brass Tube Fittings are generally made from high-quality brass that includes copper and zinc, with a touch of lead added for better machinability, depending on the specific standards (IS-319 / BS-218 grades). This alloy provides moderate tensile strength, excellent ductility, and robust resistance to corrosion from both the atmosphere and water. The mechanical properties include good formability, stable sealing performance, and durability under moderate pressure and vibration. The precision-machined bodies, nuts, and ferrules ensure reliable metal-to-metal sealing and leak-free connections. Brass maintains its structural integrity in non-aggressive chemical environments and under normal temperature conditions.

Brass Tube Fitting Specifications

Standard : DIN, ASTM, BS and all International Standards.
Size : 1/16″OD to 2″OD, 2mm OD to 50mm OD.
For Metric Tube: 1.6 mm to 50 mm
For Imperial Tube: 1/16″ to 2″
Pressure Range : 100 Bar to 650 Bar (1500 Psi to 10000 Psi).
Threads : UNF, BSPT, NPT, BSP, SAE, ISO etc.
Connection Type : Female, Male.
Shape : Hex Head, round head and square.
Applicable Temperature : 150-400°C.
Finish : Brass, natural, Electro-Tinned, Chrome Nickel, copper etc..

Brass Tube Fitting Chemical Composition

UNS No.	AS No.	Common Name	BSI No.	ISO No.	JIS No.	Copper %	Zinc %	Lead %	Other
C21000	210	95/5 Gilding metal	–	CuZn5	C2100	94-96	~5		–
C22000	220	90/10 Gilding metal	CZ101	CuZn10	C2200	89-91	~10		–
C23000	230	85/15 Gilding metal	Cz103	CuZn20	C2300	84-86	~15		–
C24000	240	80/20 Gilding metal	Cz103	CuZn20	C2400	78.5-81.5	~20		–
C26130	259	70/30 Arsenical brass	Cz126	CuZn30As	C4430	69-71	~30		Arsenic 0.02-0.06
C26000	260	70/30 Brass	Cz106	CuZn30	C2600	68.5-71.5	~30		–
C26800	268	Yellow brass (65/35)	Cz107	CuZn33	C2680	64-68.5	~33		–
C27000	270	65/35 Wire brass	Cz107	CuZn35	–	63-68.5	~35		–
C27200	272	63/37 Common brass	Cz108	CuZn37	C2720	62-65	~37		–
C35600	356	Engraving brass, 2% lead	–	CuZn39Pb2	C3560	59-64.5	~39	2.0-3.0	–
C37000	370	Engraving brass, 1% lead	–	CuZn39Pb1	C3710	59-62	~39	0.9-1.4	–
C38000	380	Section brass	Cz121	CuZn43Pb3	–	55-60	~43	1.5-3.0	Aluminum 0.1-0.6
C38500	385	Free cutting brass	Cz121	CuZn39Pb3	–	56-60	~39	2.5-4.5	–

Dimensions of Brass Tube Fittings

OD	OD Actual	Thread Designation – Nominal Size	Thread per inch
(fraction inch)	(inches)	(inches)	NPT	BSP
5/16	0.3125	1/16	27	28
13/32	0.405	1/8	27	28
35/64	0.540	1/4	18	19
43/64	0.675	3/8	18	19
27/32	0.840	1/2	14	14
1-3/64	1.050	3/4	14	14
1-5/16	1.315	1	11-1/2	11
1-21/32	1.660	1-1/4	11-1/2	11
1-29/32	1.900	1-1/2	11-1/2	11
2-3/8	2.375	2	8	11
2-7/8	2.875	2-1/2	8	11
3-1/2	3.5	3	8	11
4	4.0	3-1/2	8	11
4-1/2	4.5	4	8	11
5-5/8	5.563	5	8	11
6-5/8	6.625	6	8	11

Types of Brass Tube Fitting

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We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Largest Manufacturer and Supplier of Brass Tube Fitting in Kolkata, Kolkata

At Rudra Tube Fittings, we are proud to be the largest supplier, manufacturer, and exporter of Brass Tube Fitting in Kolkata, Kolkata. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Kolkata, we maintain a vast inventory of over 16,000 tons of premium-quality materials, ensuring we have the stock readily available to meet your demands.

Brass Tube Fitting Uses

Brass Tube Fittings find extensive use in pneumatic systems, refrigeration lines, water supply circuits, laboratory equipment, HVAC instrumentation, fuel lines, and low-pressure hydraulic or lubrication systems. They are perfect for connecting tubes to gauges, valves, compressors, regulators, flow meters, and control panels. Thanks to their corrosion resistance and non-sparking characteristics, they are ideal for gas distribution lines, instrumentation panels, and general industrial fluid handling. These fittings are particularly favored in applications where reliability and safety are paramount.