Spot anti-oxidation GH141 nickel-based high temperature alloy solid solution GH141 heat treatment plate

1. Overview
It is a precipitation hardening nickel-based deformed superalloy, which has high tensile and durable creep strength and good oxidation resistance in the range of ~℃. Due to the high content of aluminum, titanium and molybdenum in the alloy, it is difficult to open the ingot. However, the deformed material has good plasticity and can be cold formed in the annealed state and can also be welded. Strain is easily generated during heat treatment of welded parts. Age cracks. The varieties of alloys include sheets, strips, wires, discs, rings, forgings, bars, and precision castings, etc. They are suitable for manufacturing high-temperature parts of aviation and aerospace engines that require high strength below ℃ and oxidation resistance below ℃. .
.Material grade.
.Similar brand, r, (USA).
.3 Technical standards of materials
.The chemical composition is shown in Table -.
Table-








b
b
b
b
b
b
b
not greater than
b .~
b .~
b 痰< br/> b .~
b .~
b .~
b .~3
b .3~
b
b
b
b
b
b
b

Note: Aerospace materials can be added. and .3. .The heat treatment system is shown in Table -.
Table
b Variety
b Heat treatment system
b (Aerospace) round cakes, ring blanks, ring parts, rods, plates
b Specification I: ℃℃, fast Quenching + ℃ ℃,. Air cooling + ℃ ℃, - air cooling
(Aerospace) rods and discs
b Specification Ⅱ: ℃, oil cooling + ℃, air cooling
b Specification Ⅲ: ℃, Air cooling + ℃, air cooling
Plate
b Specification IV: ℃, 3, air cooling + ℃, air cooling
b Specification V: ℃, insulation is not less than ./, air cooling + ℃, air cooling
/>
.Variety specifications and supply status We can provide various specifications of round cakes, ring blanks, ring parts, sheets, strips, bars, forgings and precision castings, etc. Plates are delivered in solid solution state, while bars and forgings are delivered without heat treatment.
.Smelting and casting process Alloys adopt vacuum induction melting, vacuum induction melting plus electroslag remelting or vacuum arc remelting process.
.Application overview and special requirements This alloy is widely used in the manufacture of high-temperature load-bearing parts of aviation and aerospace engines, such as guide blades, combustion chambers, turbines, guide high-temperature load-bearing parts, shafts, disks, blades and fasteners Parts, etc., strain aging cracks during heat treatment of plate welded parts can be solved by over-aging treatment before welding or by controlling the cooling rate after solution treatment before welding, and then standard heat treatment after welding.
2. Physical and chemical properties
. Thermal properties
.. Melting temperature range 3~3℃[].
..Thermal conductivity is shown in the figure -.
Table
b ℃
b
b
b
b
b
b
b
b
b
b /(/(℃))
b
b
b
b
b
b
b
b
b

..3 The linear expansion coefficient is shown in the figure -.
Table
b ℃
b ～
b ～
b ～
b ～
b ～
b ～
b ～
b ～
b ～
b -℃
b
b
b
b
b
b
b
b
b

.Density r./3.
.3 Electrical properties: The room temperature resistivity of electrical performance plates is shown in the table.
Table
b status
br/
b status
br/
b hot rolled
b
b ℃,.air cooling
b
b ℃, air cooling
b
b ℃,. air cooling + ℃, air cooling
b
b ℃, air cooling + ℃, air cooling
/> b
b
b

.The magnetic properties are shown in the table -.
Table
b Condition
b Magnetic permeability at 3 hours at ℃/
b ℃, air cooling + ℃, air cooling
b ＜
b ℃, .Air cooling + ℃, air cooling
b ＜

.Chemical properties
..The oxidation rate of antioxidant properties in air medium is shown in Table -.
Table
Surface state
℃
Oxidation rate at different times/(/)
Surface state
℃
Oxidation rate at different times/(/ )
b
b
b
b
b
b
b
b
b
b
b polished
b
b
b
b
b
b
b polished
b
b
b
b
b
b
b polished
b
b
b
b
b
b
b -coating
b
b
b
b
b
b