Jassem Tube Fittings is a reputable manufacturer and supplier located in Doha, Qatar, specializing in high-quality brass tube fittings that ensure durable and reliable connections for fluids and gases. With state-of-the-art manufacturing facilities and rigorous quality control measures, the company produces fittings that promise leak-free performance, precise dimensions, and a long lifespan. Jassem Tube Fittings adheres to international standards and meets customer specifications, providing robust solutions for a variety of industrial, commercial, and residential needs. Catering to plumbing, HVAC, automotive, and industrial sectors, their brass tube fittings are recognized for their corrosion resistance, strength, and consistent reliability throughout Qatar and the Middle East.
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Table of Contents
Brass tube fittings are crafted from premium brass alloys, mainly consisting of copper and zinc, with trace amounts of lead or other elements to enhance machinability. This material boasts excellent corrosion resistance, good thermal and electrical conductivity, and high ductility, making it easy to form and assemble. Brass fittings offer adequate tensile and yield strength for moderate pressure applications, along with impressive wear resistance and dimensional stability. These mechanical properties guarantee reliable, leak-free connections and long-lasting durability in fluid and gas distribution systems, even under varying operating 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 Doha, Qatar
Brass Tube Fitting Uses
Brass tube fittings are extensively utilized to connect, control, and direct the flow of fluids and gases across residential, commercial, and industrial systems. They find common use in plumbing networks, HVAC systems, refrigeration lines, compressed air systems, and instrumentation tubing. These fittings are perfect for environments that demand corrosion resistance, leak-tight connections, and longevity. You’ll often find brass tube fittings installed in water supply lines, gas pipelines, and pneumatic systems, ensuring efficient and reliable operation in a wide range of applications.
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