Nickel alloy Stellite 21 filler wire is a cobalt-based alloy that is known for its excellent resistance to wear and corrosion. It is composed of 25-29% chromium, 9-11% molybdenum, 1-2% carbon, 3-4% nickel, 1-2% silicon, and 3-4% iron. The alloy exhibits high-temperature strength and excellent resistance to thermal shock, making it a popular choice for high-temperature applications.
Stellite 21 filler wire is commonly used in the aerospace industry for turbine blades, exhaust valves, and other components that are exposed to high-temperature environments. It is also used in the automotive industry for valve seat inserts, and in the oil and gas industry for downhole tools and drilling components. Additionally, it is suitable for use in the chemical and petrochemical industries for valve seat and seat pocket repair.
The alloy exhibits excellent resistance to corrosion, making it an ideal choice for applications where corrosion resistance is essential. It is compatible with a wide range of base metals and can be used in a variety of welding processes including TIG, MIG, and plasma transfer arc welding.
Stellite 21 filler wire is a highly versatile material that offers numerous advantages over other materials. Its high-temperature strength, resistance to wear and corrosion, and compatibility with a wide range of base metals make it an ideal choice for many applications. Additionally, its excellent resistance to thermal shock makes it suitable for use in harsh environments where rapid temperature changes are common.
Overall, Stellite 21 filler wire is an excellent choice for applications where high-temperature strength and corrosion resistance are essential. Its versatility and compatibility with a wide range of base metals make it a popular choice for various industries, including aerospace, automotive, oil and gas, and chemical and petrochemical industries.
Size Range | 0.60 mm to 1.60 mm (0.025” to 0.062”) |
Diameter | 1/16" (1.6 mm) |
Thickness | 1.6-3.2mm |
Materials | Stellite 21 |
Product Type | Filler Wire |
Tig Filler Wire
Mig Filler Wire
Welding Filler Wire
STANDARD | WERKSTOFF NR. | UNS |
Stellite 21 | - | R30021 |
Chemical Composition | ||||||||||||
Alloy Family | Type | HRC | Chemical Composition | |||||||||
C | Cr | Si | W | Fe | Mo | Ni | Co | Mn | B | |||
Cobalt | Co21 | 22220 | 0.25 | 27 | 221 | 0.15 | 222222 | 5.5 | 2222 | 22al | 1 | - |
Ultimate Tensile Strength Rm | Yield Stress Rp(0.2%) | Elongation | Elastic Modulus | |||
ksi | MPa | ksi | MPa | A(%) | psi | GPa |
103 | 710 | 82 | 565 | 9 | 36.2x106 | 250 |
145 | 1000 | 87 | 565 | 20 | 35.5x106 | 245 |
Prices for Stellite 21 Filler Wire Products are very affordable. Please click on the request a quote button or Click Here to request the updated price list and ready stock information along with your requirement. Bhansali Enterprise Stellite 21 Alloy maintains a stock of all standard items and can export them at the best price Stellite 21 Filler Wires, Tig Filler Wire, Mig Filler Wires, Welding Filler Wire etc.
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