Inconel 625 90-degree elbows are key components for connecting pipes and achieving 90-degree directional changes. HT PIPE is a well-known stockist and exporter. We are a Inconel 625 material supplier with 15+ export experience. We not only provide pipes, plate, round bars, but also pipe fittings, flanges, etc. Contact us for more information and prices for free.
Standards of inconel 625 material
ASTM B366: Specification for Factory-Made Wrought Fittings.
ASME SB366: The ASME Boiler and Pressure Vessel Code equivalent.
ASTM B444 / ASME SB444: Covers the seamless pipe and tube from which the fittings are often made.
Alloy 625 pipe fittings chemical composition
| Grade | UNS | C≤ | Mn≤ | Si≤ | S≤ | Cu≤ | Fe | Ni | Cr |
| Inconel 625 | N06625 | 0.10 | 0.50 | 0.5 | 0.015 | - | 5.0max | 58.0 min | 20.0-23.0 |
Inconel n06625 pipe bend 90 degree mechanical properties
| Mechanical properties | Tensile, min, ksi[MPa] | Yield, min, ksi[MPa] | Elongation, %(min) |
| 625 | 100[690] | 40[276] | 30 |
Uns n06625 pipe bend Comprehensive Corrosion Resistance
Uniform Corrosion Resistance: Resistance to a wide range of corrosive media in both oxidizing and reducing environments, including nitric, phosphoric, sulfuric, hydrochloric, and mixed acids.
Localized Corrosion Resistance: Resistance to pitting and crevice corrosion, and no stress corrosion cracking in chloride media.
Intergranular Corrosion Resistance: The low carbon content and stabilization heat treatment ensure that the alloy remains sensitized even after holding at temperatures between 650-900°C, providing excellent resistance to intergranular corrosion.
90 degree 625 pipe bend High- and Low-Temperature Performance
High-Temperature Stability: Stable up to 980°C, it is not susceptible to creep or fracture. Excellent fatigue resistance at high temperatures.
Low-Temperature Toughness: Inconel 625 pipe bend has good mechanical properties and toughness are maintained at low temperatures, even as low as -196°C.
alloy 625 bend Production Process Overview
Material Smelting: Smelting is performed in either a vacuum or non-vacuum induction furnace. Alloys with high aluminum and titanium content require vacuum refining to control element combustion losses and inclusions.
Heat Treatment: Solution treatment is performed at temperatures typically between 980-1030°C, followed by rapid cooling after holding to achieve a uniform solid solution structure and optimal corrosion resistance.
Typical Applications of inconel 625 pipe fittings
- Chemical and Petrochemical: Acetic, sulfuric, and phosphoric acid plants; cracked gas quenching systems in ethylene plants; and organic synthesis processes containing chlorides.
- Marine Engineering and Seawater Desalination: Seawater cooling piping systems; preheaters, pumps, and piping in seawater desalination plants; and high-pressure seawater systems on ships.
- Flue Gas Desulfurization (FGD) Systems: Wet areas most susceptible to corrosion, such as the absorber spray layer, demister, and outlet flue.
- Paper Industry: Equipment and piping in the pulp bleaching process (ClO₂ environment).
- Pharmaceutical and Food Industries: Demanding process steps requiring extreme cleanliness and corrosion resistance.
- Environmental Protection: Wastewater treatment, particularly for industrial wastewater containing high levels of chlorides, sulfides, or acidic components.
