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 Discs |
| Grade | Inconel 718 |
| UNS | NO7718 |
| Density | 8.19g/cm3 |
| Melting Point | 1260℃-1336℃ |
| Special Heat | 435J/kg･K |
| 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 Discs | Grade | Inconel 718 |
| UNS | NO7718 | Density | 8.19g/cm3 |
| Melting Point | 1260℃-1336℃ | Special Heat | 435J/kg･K |
| 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 718 forged round bar ，ASTM B637 nickel alloy forging ，Premium Inconel 718 components | ||
Premium Inconel 718 forged round components are high-performance nickel-based alloy forgings manufactured in full compliance with ASTM B637 requirements. Designed for extreme service environments, these forged rounds deliver outstanding strength, fatigue resistance, and corrosion performance across a wide temperature range.
Produced through controlled hot forging and precision heat treatment, Inconel 718 forged round components exhibit a dense, uniform microstructure with excellent mechanical consistency, making them an ideal choice for critical load-bearing and high-reliability applications.
Exceptional Strength from Cryogenic to 650°C
Maintains high tensile and yield strength at both low and elevated temperatures due to γ″ (Ni₃Nb) precipitation strengthening.
Superior Fatigue and Creep Resistance
Forged grain flow significantly improves resistance to cyclic loading and long-term stress exposure.
Excellent Corrosion and Oxidation Resistance
Performs reliably in aggressive environments including high-temperature oxidation, chlorides, and acidic media.
High Structural Integrity
Forging eliminates internal defects commonly associated with cast products, ensuring superior reliability for safety-critical components.
ASTM B637 Standard
The ASTM B637 standard mainly covers non-precipitating hardened nickel-based high-temperature alloys. Among them, the most typical and widely used one is Inconel 718. Additionally, alloys such as Inconel X-750 and Inconel 625 are also included.
Main application fields:
Aerospace: Key hot-end components of jet engines, such as turbine discs, compressor discs, blades, shafts, and fasteners.
Energy industry: Turbine discs, blades and combustion chamber components of gas turbines.
High-performance field: Any situation where materials need to maintain high strength, resistance to creep, and excellent corrosion resistance at high temperatures.
Chemical Composition:
| Element | Ni | Cr | S | C | Mn | Si | Mo | Cu | Co | Al | Nb | B | P |
| Minimum(%) | 50 | 17 | - | - | - | - | 2.8 | - | - | 0.2 | 4.75 | - | - |
| Max(%) | 55 | 21 | 0.015 | 0.08 | 0.35 | 0.35 | 3.3 | 0.3 | 1.0 | 0.8 | 5.5 | 0.006 | 0.015 |
Our QC Activities and Test Methods:
| Chemical Analysis | ASTM E1473ensile | Test | ASTM E8 |
| Hardness Test | ASTM E 10,E 18 | PMl Examination | DINGSCO SOP |
| Ultrasonic NDT | BS EN 10228 | Liquid Penetrant NDT | ASTM E 165 |
| Dimensional and inspection | DINGSCO SOP | Roughness Test | DINGSCO SOP |
| Impact Test | ASTM E 23 | Low Temperature lmpact Test | ASTM E 23 |
| Creep and Stress Rupture Test | ASTM E 139 | Hydrogen Induced Cracking Test | NACE TM-0284 * |
| Inter Granular Corrosion Test | ASTM A 262 * | Sulfide Stress Corrosion Cracking Test | NACE TM-0177 * |
| Pitting and Crevice Corrosion Test | ASTM G 48 * | Macro Etching Test | ASTM E 340* |
| Grain Size Test | ASTM E 112 * |
* Done by state own third party laboratory
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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