What is Silicon Bronze CDA 655 Fasteners ?
Silicon Bronze CDA 655 Fasteners contains a low content lead brass alloy with a copper content of 96 percent. These fasteners have a great finished surface as well as they have great pouting ability. These fasteners can also withstand corrosion as well as the damages that could occur because of corrosion.
These Silicon Bronze CDA 655 Fasteners can withstand salt water as well as marine water applications. Also they are resistant towards damages that can occur in environments that could contain various chemicals. These fasteners are also very resistant towards acidic mediums. The Silicon Bronze CDA 655 Fasteners also possess the property of being durable and are also very reliable. These fasteners have great strength and are also used in applications where extreme strength is required even in unfavorable conditions.

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Sumit Impex is well-known for producing Silicon Bronze CDA 655 Fasteners. They follow all of the rules and regulations, as well as the industrial guidelines and norms, that are necessary to produce high-quality Silicon Bronze CDA 655 Fasteners.
Silicon Bronze CDA 655 Fasteners are non magnetic in nature. Also they have thermal conductivity along with friction reduction. It is comparatively harder than brass fasteners and are also extra resistant towards corrosion. In environments such as marine, these fasteners are preferred more than the brass ones. Also, these are more efficient in extreme conditions. These are highly resistant towards salts as well as alkali mediums and therefore they are used in a large number of applications. Since they have these many properties and characteristics they are used in a large number of industrial applications such as defence, aerospace, automotive, marine industries, etc.
Silicon Bronze CDA 655 Fasteners Specifications
Grade | Silicon Bronze CDA 655 |
Specification | ASTM A 193 ASME SA 193 |
Standard | DIN, ASTM, BS and all International Standards |
Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Length | 3 mm to 200 mm |
Form | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
Application | Most commonly used in petroleum refineries, Boilers, Heat exchangers, Condensers, Pipelines, Cooling towers, Steam exhausts, Electric generation plants, On occasion will be found in fertilizer and chemical plants. |
Physical Properties | Metric | English | Comments |
Density | 8.53 g/cc | 0.308 lb/in³ | at 20°C (68°F) |
Component | Wt. % |
Cu | 97 |
Fe | Max 0.8 |
Mn | Max 1.5 |
Ni | Max 0.6 |
Pb | Max 0.5 |
Si | 2.8 – 3.8 |
Zn | Max 1.5 |
Hardness, Rockwell B | 95 | 95 | |
Tensile Strength, Ultimate | 745 MPa | 108000 psi | |
Tensile Strength, Yield | 415 MPa | 60200 psi | 0.5% extension under load |
Elongation at Break | 13% | 13% | In 50 mm |
Modulus of Elasticity | 105 GPa | 15200 ksi | |
Poisson’s Ratio | 0.346 | 0.346 | |
Machinability | 30% | 30% | UNS C36000 (free-cutting brass) = 100% |
Shear Modulus | 39 GPa | 5660 ksi | |
Shear Strength | 425 MPa | 61600 psi |
Other Products
Silicon Bronze CDA 655 Structural Bolts | Silicon Bronze CDA 655 Bolt Exporter |
Silicon Bronze CDA 655 U-Bolts Stockist | Silicon Bronze CDA 655 Hex Head Bolts Manufacturer |
Silicon Bronze CDA 655 Lag Bolts | Silicon Bronze CDA 655 Carriage Bolts |
Silicon Bronze CDA 655 Eye Bolts | Silicon Bronze CDA 655 Bolts Manufacturer |
Silicon Bronze CDA 655 Headed Bolts | Silicon Bronze CDA 655 Elevator Bolts |
Silicon Bronze CDA 655 Bolts | Silicon Bronze CDA 655 Shoulder Bolts |
Silicon Bronze CDA 655 Fasteners Price List
- Silicon Bronze CDA 655 Fasteners
US $1000-2500 / Ton - Silicon Bronze CDA 655 Square Bolts
US $2000-3000 / Ton - Silicon Bronze CDA 655 Heavy Hex Bolts Exporter
US $1.5-4.5 / Kilogram - Silicon Bronze CDA 655 Hex Headed Bolts
US $1800-2300 / Ton - Silicon Bronze CDA 655 Structural Bolts
US $1550-2400 / Ton - Silicon Bronze CDA 655 U-Bolts Stockist
US $1800-2300 / Ton - Silicon Bronze CDA 655 Carriage Bolts
US $1300-2600 / Metric Ton

Packaging
We Sumit Impex Metal Ensure the best quality of Packing , because its play important role especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put extraordinary concern regarding packaging.
We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
- Boxes and Crates
- Shrink-wrapped
- Carton boxes
- Wooden pallets
- Wooden boxes
- Wooden crates

Testings (Destructive, Non Destructive)
- Mechanical Testing Such as Tensile, Elongation, Reduction of Area
- Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
- Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
- Positive Material Identification – PMI Testing
- Chemical Analysis – Spectro Analysis
- Intergranular Corrosion (IGC) Test
- Pitting Resistance Test
- Dye Penetrant Test (DP Test)
- Micro Test
- Macro Test
- Hardness Test
- Flaring Test
- Flattening Test
- Hydrostatic Test
- Radiography Test
- Ultra Sonic Test (UT)
- Eddy Current Testing
- Impact Test
- Bend Test

Application Industries
These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.
- Construction
- Bridges
- Petrochemical Industry
- Ship Building
- Engineering
- General Structural Purposes
- Offshore and Onshore Services

Stainless Steel Sheet Manufacturers












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