Ayhan Tube Fittings is a leading manufacturer and distributor of premium-quality copper tube fittings, offering reliable solutions for a variety of industrial, plumbing and HVAC applications With a promise of quality, we offer durable corrosion resistant fittings designed for leak- . proof connections and seamless installations. Offering a wide range of products, our standardized products meet the highest industry standards, ensuring long-term performance and customer satisfaction. A trusted multi-industry professional, Ayhan Tube Fittings combines innovation, quality craftsmanship and exceptional service to provide the best copper fitting solutions for your specific needs.
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Table of Contents
Copper tube fittings are usually made of copper (about 60-70%) and zinc (30-40%), sometimes with a small amount of copper added for machining They provide excellent mechanical properties, with strength a high tensile strength, ductility and corrosion resistance included. Copper fittings are durable, resistant to temperature fluctuations, and easy to machine, making them ideal for complex connections. The main advantages are high pressure resistance, easy installation and compatibility with various fluids and gases, making them ideal for plumbing, HVAC and industrial applications.
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 Istanbul, Turkey
Brass Tube Fitting Uses
Copper tube fittings are widely used in various industries due to their durability and corrosion resistance. In plumbing, reliable waterproof connections are provided for water, gas, and hot water lines. Copper fittings are essential for connecting pipes and components in HVAC systems, to ensure efficient heat transfer and flow regulation. It is also used in the automotive and marine construction industries to control water, fuel lines and air filters. Also, copper fittings are ideal for laboratory tools and equipment, where accurate and secure connections are critical for safety and performance.
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