Raw Material Selection
The manufacturing process of buttweld fittings begins with the careful selection of raw materials.
What are Phosphorus Bronze 88/12 Buttweld Fittings?
Phosphorus Bronze 88/12 refers to a specific alloy composition of bronze, which contains approximately 88% copper and 12% tin. Phosphorus Bronze 88/12 Buttweld Fittings are specialized components used in piping systems to join or connect pipes. These fittings are made from Phosphorus Bronze 88/12 alloy and are designed to be welded directly onto the ends of pipes through a butt welding process, providing a secure and leak-resistant connection.
What are the advantages of using Phosphorus Bronze 88/12 Buttweld Fittings?
Phosphorus Bronze 88/12 Buttweld Fittings offer several advantages. They have high strength, which makes them suitable for handling high-pressure applications. They exhibit excellent resistance to corrosion, making them ideal for use in environments with high moisture or chemical exposure. Additionally, Phosphorus Bronze 88/12 is known for its exceptional wear resistance, ensuring longevity and durability of the fittings.
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What applications are Phosphorus Bronze 88/12 Buttweld Fittings commonly used for?
Phosphorus Bronze 88/12 Buttweld Fittings find applications in various industries, including marine, oil and gas, chemical processing, plumbing, and automotive. They are used in piping systems for transporting fluids, gases, and other substances, especially in environments where corrosion resistance and strength are critical.
What types of Phosphorus Bronze 88/12 Buttweld Fittings are available?
Phosphorus Bronze 88/12 Buttweld Fittings are available in a range of types to suit different piping configurations. Some common types include elbows, tees, reducers, caps, and crosses. These fittings come in various sizes and dimensions to accommodate specific pipe diameters and wall thicknesses.
How are Phosphorus Bronze 88/12 Buttweld Fittings installed?
Installation of Phosphorus Bronze 88/12 Buttweld Fittings involves welding them directly onto the ends of pipes using the butt welding technique. This process involves preparing the pipe ends, aligning the fitting, and heating the joint to the appropriate temperature. Once the metal reaches the correct temperature, it is fused together to create a strong, permanent connection.
Are Phosphorus Bronze 88/12 Buttweld Fittings resistant to corrosion?
Yes, Phosphorus Bronze 88/12 Buttweld Fittings exhibit excellent resistance to corrosion. The high copper content in the alloy provides inherent corrosion resistance, making them suitable for use in corrosive environments, including marine applications and chemical processing plants.
Can Phosphorus Bronze 88/12 Buttweld Fittings be used in high-temperature applications?
Phosphorus Bronze 88/12 Buttweld Fittings have relatively low melting and annealing temperatures compared to other alloys. Therefore, they are not recommended for use in high-temperature applications where the operating temperatures exceed the limits of the material.
| Size | Seamless Butt Weld Fittings: 1/2" - 10" Welded Butt Weld Fittings: 1/2" - 48" |
| Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Type | DN15-DN1200 |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom MSS Sp-43 Pipe Fitting |
| Size Range | ½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) Buttweld Fitting |
| Elbows | Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D,
3D, 4D, 5D, 6D, 7D-40D . Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO |
| Connection | Welding |
| Manufacturing process | Forge, Cast, Push, Press, etc. |
| Key markets and industries |
Bitumen upgraders. Heavy oil refineries. Petrochemicals and acids. Nuclear power (mostly seamless). |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Specialized manufacturer of | 90º Elbows, 45º Elbows, Tees, Crosses, Reducers, Pipe Cap, Stub End, Pipe Bend |
| We provide Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| Alloy Description | American Spec. | German Spec. | British Spec. | Typical Material Applications |
| UNS | SAE | Alloy | Phosphor bronze is used for springs, bolts and various other items used in situations where resistance to fatigue, wear and chemical corrosion are required (e.g., a ship’s propellers in a marine environment). The alloy is also used in some dental bridges. The combination of good physical properties, fair electrical conductivity and moderate cost make Phosphor Bronze round, square, flat and special shaped wire desirable for many springs and electrical contacts and a wide variety of wire forms. | |
| Phosphor Bronze Grade I | C54400 | CuSn4 | PB101 | |
| Phosphor Bronze Grade II | C51000 | CuSn5 | PB102 | |
| Phosphor Bronze Grade III | C51900 | CuSn6 | PB103 | |
| Phosphor Bronze IV | C52100 | CuSn8 | PB104 |
| Alloy | UNS Designation | Tin | Phosphorus | Iron, max | Lead, max | Zinc, max | Copper |
| 510 | C51000 | 4.2-5.8 | .030-.35 | 0.1 | 0.05 | 0.3 | remainder |
| ASTM Specification | Temper | Tensile Strength | Rockwell B Scale | Superficial (30-T Scale) |
| min-max psi | min-max | min-max | ||
| Annealed | Annealed | 43-58 | 12-64 | 24-59 |
| H02 | 1/2 Hard | 58-73 | 60-85 | 53-73 |
| H04 | Hard Tempered | 76-91 | 84-93 | 71-78 |
| H06 | Extra Hard | 88-103 | 89-96 | 74-81 |
| H08 | Spring Temper | 95-110 | 92-98 | 76-82 |
| H10 | Extra Spring | 100-114 | 94-99 | 77-83 |
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