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Aluminium bronze fasteners are a type of fastener made from an alloy of aluminium and bronze. They are recognized for their very high strength, resistance to corrosion, and capacity to sustain extremely high temperatures. Because of these qualities, they are well suited for usage in a wide range of application, including those found in the aerospace, industrial, and maritime industries.

One of the key benefits of aluminium bronze fasteners is their corrosion resistance. They are resistant to corrosion in both freshwater and saltwater environments, making them a popular choice for marine applications. They also have a strong resistance to corrosion from acids and other corrosive substances, which makes them excellent for use in chemical processing facilities and other industrial environments.

In addition to their corrosion resistance, aluminium bronze fasteners also have a high strength-to-weight ratio. They are an excellent choice for applications where weight is a concern because they are much stronger than pure aluminum and lighter than steel. They can also withstand extremely high temperatures, which qualifies them for use in high-temperature environments such as the internal components of aircraft engines and furnaces. There is a wide variety of sizes and designs available for aluminum bronze fasteners so that they can be used for various purposes. They come in many different forms, such as bolts, screws, nuts, and washers, and can be found in various places. They are typically made from an alloy of aluminium and bronze, with the exact composition of the alloy depending on the specific properties required for the application.


ALUMINIUM BRONZE FASTENERS

Aluminium bronze fasteners are typically made using hot forging or cold heading techniques. Hot forging involves heating the alloy to a high temperature and then using dies and presses to shape it into the desired form. Cold heading involves using a cold-forming process to shape the alloy into the desired shape without the need for heating.

In addition to their corrosion resistance, high strength, and ability to withstand extreme temperatures, aluminium bronze fasteners also have a good resistance to wear and tear. As a result, they are suitable for use in applications in which they may be subjected to high levels of mechanical stress or movement, such as in moving parts or joints. This makes them suitable for use in applications.

Overall, aluminium bronze fasteners are a reliable and durable choice for a wide range of applications where corrosion resistance, high strength, and ability to withstand extreme temperatures are important. They find widespread application in the industrial, aerospace, and maritime sectors, and are offered in a wide variety of dimensions and designs to accommodate a variety of applications.

Standard Specification For Aluminum Bronze Fasteners :-

Grade Aluminium Bronze
Specification ASTM
Standards ASTM B 111 C60800/ASME SB 111 C 60800 /EN 12451 CuAL5AS / CW200 / C61400 / C95400 / C61800 / C62300 / C62400 / C62500 / C95200 / C95900 / CuAL11Ni5Fe5, BS1400-AB1 & AB2, BS2874 CA104 & Ca103 / CW300G/ CW303G
Size 1/4″ to 2″
Aluminium Bronze Bolts Size M8 TO M36 | Custom Sizes
Length UPTO 5 METERS
Form Bolts, Nuts, Screw, Washers
Types Flange Bolts, Hex Bolts, Lag Bolts, Hex Head Bolts, Eye Bolts, Square Bolts, T Bolts, U Bolts, Hex Head Nut, Counter sunk Bolts, Dome Nut, Coupling Nut, Eye Nut, Acorn Nut, Square Nut, Socket Set Screws, Hex Head Cap Screws, Socket Head Screws, Anchor Screws, Shoulder Screws, Concrete Screws, Machine Screws, Threaded Screws, Flat Washer, Machine Washers, Sealing Washer, Star Washers, Lock Washer etc.

Aluminum Bronze Fasteners Equivalent Grades :-

CDA ASTM ASARCON SAE AMS Federal Military Other
C95400 B505             QQ-C-390, G5;
QQ-B-671, CLASS 3
MIL-B-16033, CLASS 3 ALUMINUM BRONZE 9C
C95400 B505             QQ-C-390, G5;
QQ-B-671, CLASS 3
MIL-B-16033, CLASS 3 ALUMINUM BRONZE 9C
C63000 B150-12     J461 J463 4640 QQ-C-465B AMD1        

Chemical Composition Of Aluminum Bronze Bolts :-

Chemical Composition Limits
Weight % Cu Al Fe Ni
CA 104 Rem 8.5 / 11.0 4.0 / 5.5 4.0 / 5.5

Aluminum Bronze Bolts Mechanical Properties :-

Material 0.2% Proof Stress (N/mm² ) Tensile Strength (N/mm² ) Elongation % Hardness (HV)
CA 104 420-500 720-820 25-15 200-240

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Aluminum Bronze Hex Screw Dimension Standard :-

Socket Head Bolt / Allen Cap Bolt
Nominal Diameter And TPI (Inches) Thread Stress Area (Sq. In.) Grade 2 Grade 5 Grade 8
Clamp Load
60-90% Proof (Pounds)
Tightening
Torque (Ft.-Lbs.)
Clamp Load
60-90% Proof (Pounds)
Tightening
Torque (Ft.-Lbs.)
Clamp Load
60-90% Proof (Pounds)
Tightening
Torque (Ft.-Lbs.)
1/4 – 20
1/4 – 28
0.0318
0.0364
1,049 – 1,574
1,201 – 1,802
4 – 7
5 – 8
1,622 – 2,433
1,856 – 2,785
7 – 10
8 – 12
2,290 – 3,434
2,621 – 3,931
10 – 14
11 – 16
5/16 – 18
5/16 – 24
0.0524
0.0580
1,729 – 2,594
1,914 – 2,871
9 – 14
10 – 15
2,672 – 4,009
2,958 – 4,437
14 – 21
15 – 23
3,773 – 5,659
4,176 – 6,264
20 – 29
22 – 33
3/8 – 16
3/8 – 24
0.0775
0.0878
2,558 – 3,868
2,897 – 4,346
16 – 24
18 – 27
3,953 – 5,929
4,478 – 6,717
25 – 37
28 – 42
5,580 – 8,370
6,322 – 9,482
35 – 52
40 – 59
7/16 – 14
7/16 – 20
0.1063
0.1187
3,508 – 5,262
3,917 – 5,876
26 – 38
29 – 43
5,421 – 8,132
6,054 – 9,081
40 – 59
44 – 66
7,654 – 11,480
8,546 – 12,820
56 – 84
62 – 93
1/2 – 13
1/2 – 20
0.1419
0.1599
4,683 – 7,024
5,277 – 7,915
39 – 59
44 – 66
7,237 – 10,855
8,155 – 12,232
60 – 90
68 – 102
10,217 – 15,325
11,513 – 17,269
85 – 128
96 – 144
9/16 – 12
9/16 – 18
0.1820
0.2030
6,006 – 9,009
6,699 – 10,049
56 – 84
63 – 94
9,282 – 13,923
10,353 – 15,530
87 – 131
97 – 146
13,104 – 19,656
14,616 – 21,924
123 – 184
137 – 206
5/8 – 11
5/8 – 18
0.2260
0.2560
7,458 – 11,187
8,448 – 12,672
78 – 117
88 – 132
11,526 – 17,289
13,056 – 19,584
120 – 180
136 – 204
16,272 – 24,408
18,432 – 27,648
170 – 254
192 – 288
3/4 – 10
3/4 – 16
0.3340
0.3730
11,022 – 16,533
12,309 – 18,464
138 – 207
154 – 231
17,034 – 25,551
19,023 – 28,535
213 – 319
238 – 357
24,048 – 36,072
26,856 – 40,284
301 – 451
336 – 504
7/8 – 9
7/8 – 14
0.4620
0.5090
15,246 – 22,869
16,797 – 25,196
222 – 334
245 – 367
23,562 – 35,343
25,959 – 38,939
344 – 515
379 – 568
33,264 – 49,896
36,648 – 54,972
485 – 728
534 – 802
1 – 8
1 – 14
0.6060
0.6790
19,998 – 29,997
22,407 – 33,611
333 – 500
373 – 560
30,906 – 46,359
34,629 – 51,944
515 – 773
577 – 866
43,632 – 65,448
48,888 – 73,332
727 – 1,091
815 – 1,222
1-1/8 – 7
1-1/8 – 12
0.7630
0.8560
25,179 – 37,769
28,248 – 42,372
472 – 708
530 – 794
33,877 – 50,816
38,006 – 57,010
635 – 953
713 – 1,069
54,936 – 82,404
61,632 – 92,448
1,030 – 1,545
1,156 – 1,733
1-1/4 – 7
1-1/4 – 12
0.9690
1.0730
31,977 – 47,966
35,409 – 53,114
666 – 999
738 – 1,107
43,024 – 64,535
47,641 – 71,462
896 – 1,344
993 – 1,489
69,768 – 104,652
77,256 – 115,884
1,454 – 2,180
1,610 – 2,414

Size Chart In Mm Of Aluminium Bronze Nuts :-

Aluminium Bronze Alloy Nuts Type SIZE PROPERTY CLASS STANDARD
Aluminium Bronze Hex Nut M6 to M42 10 ISO 4032
C61400 Aluminum Bronze Nylock Nut M6 to M20 (Gr.8)
M10 to M24 (Gr.10)
8 & `10 DIN 982
C63000 Aluminum Bronze Nylock Nut M6 to M20 (Gr.8)
M10 to M24 (Gr.10)
8 & 10 DIN 985
C614 Aluminum Bronze Hex Weld Nut M6 to M12 8 DIN 929

Applications and Uses

  • Chemical Industries
  • Oil & Gas Industrires
  • Power Plant Industries
  • Shipbuilding Industries
  • Fertilizer Industrires
  • Petrochemical Industrires
  • Sugar Industrires
  • Cement Industrires