1. Nickel based alloy Introduction
Nickel-based alloys are renowned for their exceptional corrosion
resistance, high-temperature performance, and strength, making them
indispensable in many advanced industries. Here, we explore three
prominent families of nickel-based alloys: Incoloy, Inconel, and
Hastelloy.
Incoloy Alloys:
Composition: Primarily nickel, iron, and chromium.
Properties: Exhibits robust resistance against both oxidizing and
reducing acids, alongside resilience to stress corrosion cracking,
pitting, and crevice corrosion.
Applications: Widely used in the chemical and petrochemical
industries, nuclear power production, and the extraction of rare
metals.
Common Grades: Incoloy 800, 825, and 926.
Inconel Alloys:
Composition: A complex matrix of nickel, chromium, and iron.
Properties: Known for superior high-temperature corrosion and
oxidation resistance. Also noted for excellent mechanical
properties across both cold and hot working processes, including
welding.
Applications: Integral to sectors like aviation, chemical
processing, and the paper industry.
Common Grades: Inconel 600, 601, 625, 617, 718, and X750.
Hastelloy Alloys:
Composition: Predominantly nickel, with chromium and molybdenum
variants.
Properties: Offers excellent corrosion resistance and thermal
stability.
Applications: Used in environments requiring exceptional chemical
resistance, including in aviation, petrochemical, and chemical
processing.
Common Grades: Hastelloy C276, C22, B2, B3, C4, Haynes 230, and
Haynes 188.
Conclusion:
These alloys are tailored to meet the challenging conditions of
their respective applications, from extreme temperatures to highly
corrosive environments, affirming their critical role in modern
industrial technology.
2. Inconel 600 Pipe Fittings
Composition: Inconel 600 is predominantly composed of nickel,
chromium, and iron. This solid solution strengthened alloy is
designed for high-temperature applications requiring a balance of
strength and resistance to oxidation and corrosion.
Key Properties:
High-Temperature Resistance: Offers excellent resistance to
high-temperature corrosion and oxidation, maintaining stability and
durability under harsh conditions up to 1100°C.
Mechanical Properties: Provides satisfactory thermal strength and
high plasticity below 700°C, making it adaptable to various
manufacturing processes.
Processability: Exhibits excellent cold and hot working
characteristics. Its weldability is particularly notable,
supporting various welding methods including resistance welding,
solution welding, and brazing. Additionally, the alloy can be
strengthened through cold working, enhancing its versatility in
application.
Applications:
Heat Treatment Fixtures and Furnace Components: Due to its
resistance to oxidation and high-temperature environments, Inconel
600 is ideal for parts in furnaces and heat-treating equipment.
Chemical Processing: Its corrosion resistance makes it suitable for
use in equipment like reactors and heat exchangers in the chemical
processing industry.
Aerospace: Components in aircraft and rocket engines benefit from
its thermal resistance and strength at elevated temperatures.
Conclusion:
Inconel 600 stands out as an adaptable alloy in the Inconel series,
ideal for environments that demand both high-temperature
performance and corrosion resistance. Its mechanical properties and
ease of fabrication make it a preferred choice for a wide range of
industrial applications, particularly where durability and
reliability are crucial under thermal stress.
Chemical composition
| % | C | Si | Mn | F | S | Cr | Ni | Co | Fe |
| Min | — | | | | — | 14 | Remaining elements | 一 | 6 |
| ax | 0.1 | 0.5 | 0.1 | 0.03 | 0.015 | 17 | | 0.04 | 10 |
Physical property
| Density g/cm³ |
Magnetic | Thermal conductivity/w/(m.k) | Resistivity | Specific heat capacity | Linear expansion coefficient |
| 100~900℃ | C)/(Ω.mm2/m | C)/J/(kg.k)℃ | /(10-6/k) |
| | | 20~900℃ |
| 8.43 | | 一 | 1.03 | 443 | — |
| Temperature 0/℃ | 21 | 540 | 650 | 760 | 870 |
| Elastic modulus | 214 | 184 | 176 | 168 | 157 |
- Specification of pipe fittings
Material Mark :ASTM B366 WPNICMC UNS N08825
Standard : ANSI/ASME B16.9, B16.28, MSS-SP-43.
Size : 1/2''~48''(Seamless);16''~110''(Welded)
Wall Thickness: SCH5-STD-SCH XXS
3. Application area
Our company can produce carbon steel, stainless steel, and alloy
steel pipe fittings according to standards such as ASME/ANSI, JIS,
DIN, ISO etc. The varieties include equal diameter tees, reducing
tees, tees, elbows, cross, concentric reducer, eccentric reducer
etc. We provide the very best quality pipe and fittings, prompt
delivery and reliable services at competitive prices.
