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Hastelloy alloy:
Hastelloyalloy (Hastelloyalloy) is mainly divided into B, C, G three series, it is mainly used for iron based Cr-Ni or CR-Ni-Mo stainless steel, non-metallic materials and other can not be used in strong corrosive media occasions.
Hastelloy
In order to improve the corrosion resistance and cold and hot processing properties of Hastelloy alloy, Hastelloy has made three major improvements, and its development process is as follows:
B Series: B→B-2(00Ni70Mo28)→B-3
C Series: C→C-276(00Cr16Mo16W4)→C-4(00Cr16Mo16)→C-22(00Cr22Mo13W3)→C-2000(00Cr20Mo16)
G Series: G→G-3 (00Cr22Ni48Mo7Cu) →G-30(00Cr30Ni48Mo7Cu)
The most widely used are second-generation materials N10665(B-2), N10276(C-276), N06022(C-22), N06455(C-4), and N06985(G-3).
Incoloy alloy:
Nickel alloy:
1. Nickel-based superalloy. The main alloying elements are chromium, tungsten, molybdenum, cobalt, aluminum, titanium, boron, zirconium and so on. Among them, chromium plays an anti-oxidation and anti-corrosion role, and other elements play a strengthening role. It has high strength, oxidation resistance and gas corrosion resistance at 650 ~ 1000℃, and is the most widely used and the highest high temperature strength alloy. It is used in the manufacture of high temperature components for aero engine blades and rocket engines, nuclear reactors, and energy conversion equipment.
2. Nickel-based corrosion resistant alloy. The main alloying elements are copper, chromium and molybdenum. It has good comprehensive properties and can withstand various acid corrosion and stress corrosion. The earliest application is nickel-copper alloy, also known as Monel alloy; In addition, there are nickel chromium alloy, nickel molybdenum alloy, nickel chromium molybdenum alloy and so on. Used in the manufacture of various corrosion-resistant parts.
3. nickel-based wear resistant alloy. The main alloying elements are chromium, molybdenum, tungsten, but also contain small amounts of niobium, tantalum and indium. In addition to wear resistance, its oxidation resistance, corrosion resistance, welding performance is good. It can be used as a coating material, which can be coated on the surface of other base materials by surfacing welding and spraying process.
4. Nickel-based precision alloy. Including nickel-based soft magnetic alloy, nickel-based precision resistance alloy and nickel-based electric heating alloy. The most commonly used soft magnetic alloy is about 80% nickel permalloy, its maximum permeability and initial permeability is high, coercivity is low, is an important core material in the electronics industry. The main alloying elements of nickel-based precision resistance alloy are chromium, aluminum and copper. This alloy has high resistivity, low resistivity temperature coefficient and good corrosion resistance, and is used to make resistors. Nickel-based electrothermal alloy is a 20% chromium nickel alloy with good oxidation resistance and corrosion resistance, and can be used for a long time at 1000 ~ 1100℃.
5. Nickel-based shape memory alloy. Nickel alloy containing 50 (at)% titanium. The recovery temperature is 70℃, and the shape memory effect is good. A small change in the proportion of nickel-titanium components can make the recovery temperature change in the range of 30 ~ 100℃. It is widely used in the manufacture of automatic opening structural parts used in spacecraft, self-stimulating fasteners used in aerospace industry, artificial heart motors used in biomedicine, etc.
Titanium alloy:
Monel alloy:
Monel 400 alloy (UNS N04400 or MCu-28-1.5-1.8 or Ni68Cu28Fe) is a nickel-based alloy material with good corrosion resistance in seawater, chemical solvents, ammonia sulfur chloride, hydrogen chloride, various acidic media such as sulfuric acid, hydrofluoric acid, hydrochloric acid, phosphoric acid, organic acid, alkaline media, salt and molten salt.
ASTM B 164 (rods, wires), ASTM B 564 (forgings), ASTM B 127 (plates, strips), ASTM B 165 (seamless tubes).
Inconel alloy:
Inconel material specifications
Inconel 600 solution strengthened.
Inconel 625 is acid resistant and has good weldability. The LCF version is commonly used for bellows. Hardware and components for the power, aerospace and chemical processing industries. Sheets, plates, bars and forgings.
Inconel 718γ is doubly reinforced and has good weldability. The preferred materials for cryogenic storage tanks, turbines, underground shafts and wellhead components are sheet, sheet and rod.
The Inconel X750 is commonly used in gas turbine components, including blades, seals and rotors.
Inconel907
Inconel909
Inconel706
Inconel617
Inconel751
Chromium-nickel increases aluminum content and increases fracture strength in the 1600°F range.
Inconel792
Chromel increases aluminum content to improve high-temperature corrosion, especially for gas turbines.
Inconel939
Chrome-nickel enhances gamma primes and improves weldability.
Inconel188
Chromel is easy to manufacture for commercial gas turbines and aerospace applications. Sheets, plates and bars are available.
Inconel690
Chromium-nickel low cobalt content, low resistivity, suitable for nuclear applications. Inconel713C
Chromium-nickel precipitation-hardened nickel-chromium base casting alloy.
Inconel230
Chromium-nickel is mainly used in power, aerospace, chemical processing and industrial heating industry, aerospace materials.
Inconel alloys include:
Inconel 600: solid solution reinforcement
Inconel601
Inconel 625: Acid resistance, good weldability. The LCF version is commonly used for bellows.
Inconel 690: Low cobalt content and low resistivity for nuclear applications
Inconel 713C: Precipitation-hardened nickel-chromium base cast alloy Inconel 718: Gamma double prime reinforced with good weldability
Inconel 751: Increased aluminum content to increase fracture strength in the 1600 °F range
Inconel 792: Increased aluminum content to improve high-temperature corrosion performance, especially for gas turbines
Inconel 939: Gamma prime reinforced to improve weldability
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