Hunan Dinghan New Material Technology Co., LTD
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | (Sample Order) 7 days |
| Packaging Details | According to Customers' Requests |
| Product Name | Nickel Alloy Forging Rings |
| Grade | Inconel 625 |
| UNS | UNS NO6625 |
| Standards | ASTM B564 |
| Curie Temperature | -196 °C |
| Specific Heat | 410 J/kg-°C; 0.098 Btu/lb-°F |
| Magnetic Permeability | 75 °F, 200 oersted 1.0006 |
| Density | 8.44 g/cm³; 0.305 lb/in³ |
| Brand Name | DINGSCO |
| Model Number | According to customers requirements |
| Certification | ISO 9001:2015,PED 2014/68/EU,API 6A,API-20B,TSG,NORSOK |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | Negotiable |
| Delivery Time | (Sample Order) 7 days | Packaging Details | According to Customers' Requests |
| Product Name | Nickel Alloy Forging Rings | Grade | Inconel 625 |
| UNS | UNS NO6625 | Standards | ASTM B564 |
| Curie Temperature | -196 °C | Specific Heat | 410 J/kg-°C; 0.098 Btu/lb-°F |
| Magnetic Permeability | 75 °F, 200 oersted 1.0006 | Density | 8.44 g/cm³; 0.305 lb/in³ |
| Brand Name | DINGSCO | Model Number | According to customers requirements |
| Certification | ISO 9001:2015,PED 2014/68/EU,API 6A,API-20B,TSG,NORSOK | Place of Origin | China |
| High Light | Inconel 625 forged ring ，Nickel alloy forging ring with warranty ，Industrial superalloy forged ring | ||
Inconel 625 Forged Ring: The Superalloy for Extreme Industrial
ASTM B564 / UNS N06625 forged rings are the culmination of materials science and manufacturing processes. Their composite properties of "corrosion resistance + toughness + high temperature stability" make them a "core backbone" in high-end fields such as aerospace, energy and chemical engineering, and marine engineering.
Nickel (Ni ≥58%): Serves as the base element, endowing the material with excellent ductility, corrosion resistance, and wide-temperature stability (maintaining performance from -196℃ cryogenic conditions to 1000℃ high temperatures).
Chromium (Cr 20-23%): Forms a dense oxide film, significantly enhancing oxidation and pitting resistance—especially outstanding in high-temperature oxidative environments such as aero-engine combustion chambers.
Molybdenum (Mo 8-10%): Strengthens resistance to reducing acids (e.g., sulfuric acid, phosphoric acid) and chloride-induced stress corrosion, acting as a "corrosion protection weapon" for marine engineering and chemical equipment.
Niobium (Nb 3.15-4.15%): Forms stable carbides with carbon, refining grain structure and improving creep strength (resistance to deformation under long-term high-temperature loads), ensuring long-term reliability in gas turbines and nuclear power components.
Hot forging + ring rolling technology: Alloy ingots are heated to 1150-1200℃ and shaped by presses or ring rolling equipment, aligning grains along the stress direction to drastically improve strength and toughness (fatigue life can be increased by over 30% compared to cast or ordinary rolled parts).
Solution heat treatment: Undergoes solution annealing at 980-1038℃ followed by water quenching, ensuring uniform solid solution of alloying elements and maximizing the synergy between corrosion resistance and mechanical properties.
Full coverage of non-destructive testing (NDT): During production, ultrasonic testing (UT), liquid penetrant testing (LPT), and other methods are required to ensure no internal cracks, pores, or other defects, meeting the strict "zero-defect" requirements of ASTM B564.
Corrosion resistance: Fully resistant to corrosive media such as sulfuric acid, hydrochloric acid, seawater, and high-temperature oxidation, enabling maintenance-free service life of over 20 years in chemical reactors and subsea pipelines.
Mechanical properties: Tensile strength ≥760MPa, yield strength ≥345MPa, elongation ≥30%, combining high strength and high plasticity to withstand impact loads (e.g., aero-engine rotor components).
High-temperature stability: Maintains excellent creep strength and oxidation resistance below 980℃, making it the preferred material for hot-end components of gas turbines (e.g., combustion chamber liners).
Processing adaptability: Possesses good weldability and machinability, and can be integrated into complex systems through welding, forging, machining, etc., reducing the process difficulty of downstream applications.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1998
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications. We have complete advanced technology facilities t... Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications. We have complete advanced technology facilities t...
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