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Product classification
Gh4137
GH4137 (SG37A) is a Ni-Cr based precipitation hardening deformation high-temperature alloy, suitable for use at temperatures below 700°C. It has high strength and excellent high-temperature oxidation resistance. It exhibits good creep resistance, allowing for long-term use at high temperatures without deformation. It also has good elastic modulus, wear resistance, hot workability, welding, and cold forming process performance.
Classification:
Key words:
Superalloy | Inkenel | Hastelloy | Inkloy | Precision Alloy Series
Product Parameters
Overview of GH4137 High-Temperature Alloy
GH4137 (SG37A) is a Ni-Cr based precipitation hardening type deformed high-temperature alloy, with a service temperature below 700℃.
1. Alloy Composition
Main Elements and Their Functions
Nickel (Ni): Accounts for more than 50% of the alloy's mass, it is the main component of GH4137 alloy, providing high-temperature strength and corrosion resistance.
Iron (Fe): Accounts for 18 - 22% of the alloy's mass, it is the matrix metal of GH4137 alloy, which has a certain impact on the mechanical properties and heat treatment properties of the alloy.
Molybdenum (Mo): Accounts for 2.8 - 3.3% of the alloy's mass, it improves the high-temperature strength and creep resistance of the alloy.
Aluminum (Al): Accounts for 0.65 - 1.15% of the alloy's mass, it provides high-temperature strength and oxidation resistance to the alloy.
Titanium (Ti): Accounts for 0.2 - 0.8% of the alloy's mass, it improves the high-temperature strength and creep resistance of the alloy.
Tantalum (Ta): Accounts for 0.05 - 0.5% of the alloy's mass, it improves the high-temperature strength and creep resistance of the alloy.
Carbon (C): Accounts for 0.08 - 0.15% of the alloy's mass, it has a certain impact on the high-temperature strength and hardness of the alloy.
Chemical Composition Range|Element|C|Cr|Ni|Mo|Al|Fe|Y|Mn|Si|P|S| |---|---|---|---|---|---|---|---|---|---|---|---| |Minimum|-|15.00|-|3.00|-|-|-|-|-|0.03|0.03| |Maximum|0.10|21.00|Balance|5.00|4.00|0.03|2.00|0.50|0.03|0.03|
2. Physical Properties
Melting Point: Approximately 1260 - 1340℃, it has a high melting point and can maintain stability in high-temperature environments.
3. Performance Characteristics
Mechanical Properties
It has high strength and high-temperature oxidation resistance.
It has good creep resistance, allowing for long-term use at high temperatures without deformation.
It has good elastic modulus, wear resistance, hot working plasticity, welding, and cold forming process performance.
Chemical Properties
It has good corrosion resistance, able to withstand the erosion of acids, alkalis, salts, and other corrosive media.
4. Processing Technology
Melting Process: Uses vacuum induction furnace + electroslag remelting, or vacuum induction furnace + vacuum consumable melting process.
Heat Treatment System: The standard heat treatment system is (1100 - 1150)℃/AC, with holding time depending on the section size.
5. Application Fields
Aerospace Field: Used in the manufacture of key components such as engine turbine blades and combustion chambers, and also used to manufacture new advanced brush seals for aircraft engines, which can maintain stability in high-temperature and high-pressure working environments.
Petrochemical Field: Used in the manufacture of refining devices, chemical containers, and equipment in oil and gas extraction and chemical installations, capable of resisting corrosion in high-temperature and high-pressure working environments.
Energy Field: Widely used in oil, natural gas extraction, and chemical installations, capable of withstanding corrosion and wear in high-temperature and high-pressure environments, ensuring long-term stable operation of equipment.
Chemical Field: Used in the manufacture of reactors, heat exchangers, and other equipment.
Other Fields: Also widely used in shipbuilding, nuclear industry, electronic devices, and other fields.
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