GH3536 application overview and features:
GH3536 is a Ni-Cr-Fe-based solid-solution-strengthened deformed superalloy, and the corresponding grade is K4536 when used in casting. The alloy has moderate durability and creep strength below 900 °C; good oxidation resistance and corrosion resistance, good hot and cold formability and weldability. It is suitable for the manufacture of components such as aero-engine combustion chambers that are used for a long time below 900 °C, and high-temperature components that are used for a short time at a working temperature of 1080 °C.
GH3536 alloy has been widely used in foreign aero-engine and civil industries, and has been used in the manufacture of aero-engine combustion chamber components, honeycomb structures, diffusers, tail nozzles and other hot-end components in China.
The cooling rate in the quenching process of the finished alloy is one of the important factors affecting the alloy process. Rapid cooling can control the precipitation of brittle carbide films at the grain boundaries. When the alloy solution temperature is higher than 1175 ºC, it is easy to form carbide films at the grain boundaries. The alloy exhibits a certain degree of age hardening after long-term aging, which reduces the plasticity and the high temperature strength.
The main products of GH3536 are sheet, strip, pipe, bar, forging, ring and precision casting.
Material grade: GH3536 (GH536), K4536 (K536)
Similar brands: UNSNO6002, HastelloyX (US)
GH3536 material technical standard:
GB/T 14992--Classification and grades of high temperature materials of superalloys and intermetallic compounds
GJB/1952A--Specification for superalloy cold-rolled sheet for aviation
GJB/2297A--Specification for cold drawn (rolled) seamless pipes of superalloys for aviation
GJB/2612A--Specification for high temperature alloy cold drawing wire for welding
GJB/3020A--Specification for superalloy ring blanks for aviation
GJB/3165A--Specification for hot-rolled and forged bars of superalloy for aerospace load-bearing parts
HB/5496--GH536 alloy round cake, ring blank and ring parts
HB/Z 140--Heat treatment process of superalloy for aviation
Q/GYB--05099--K4536 Master alloy for casting
Q/GYB--05104--K4536 alloy precision casting
Q/GYB--05115--GH3536 alloy cold rolled strip
Chemical composition:
C Cr Ni Co W Mo Al Ti
0.05-0.15 20.5-23.0 Margin 0.50-2.50 0.20-1.0 8.0-10.0 0.50 0.15
Fe B Mn Si P S Cu
17.0-20.0 0.01 1.0 1.0 0.025 0.015 0.50
GH3536 Melting and Casting Process:
1. GH3536 alloy adopts non-vacuum induction furnace + electroslag remelting, or electric arc furnace ten electroslag remelting smelting process.
2. K4536 alloy uses non-vacuum induction furnace remelting mother alloy to cast precision castings and test bars.
Standard heat treatment system for GH3536 varieties:
Hot rolled and forged bars, round cakes, rings: 1175ºC±10ºC, air cooling or faster cooling, holding time ≥20min, HB≤241,
Pipe material: 1130ºC~1170ºC, fast cooling; holding time ≤30min,
Cold rolled sheet: 1130ºC~1170ºC, rapid air cooling or water cooling;
Cold-rolled strip: (1065~1105)ºC±10ºC, holding time ≤30min, rapid air cooling;
Forgings: 1175ºC±10ºC, air cooling or faster cooling, holding time ≥50min (calculated by section thickness);
Specification and supply status of GH3536:
GH3536 main specifications
Thickness 0.5mm~4.0mm plate;
Strips with a thickness of 0.05mm~0.8mm;
The outer diameter is 4mm~20mm, and the wall thickness is 1.0mm~2.0mm;
Diameter 0.2mm~10.0mm wire;
Bars with diameter ≤300mm; round cakes of various diameters and annular parts with different diameters and wall thicknesses; master alloys are cast into circular long shapes
The firing chamber rod has a diameter ranging from 75mm to 90mm and a length of not less than 250mm; precision castings of different shapes and sizes.
GH3536 Supply Status:
A. Plates, strips and pipes are supplied after solution treatment + pickling, and strips can also be supplied in cold rolled state;
B. The wire is supplied in a hard state, or semi-hard state, or solid solution + pickling, or bright solution treatment state, and can also be supplied in straight strips; C. Bars, cakes and rings are generally not heat-treated Supplied; master alloys and precision castings are supplied as-cast.
GH3536 Physical Properties:
Density 8.28g/cm3
Melting temperature 1295~1381ºC
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