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 | UNS N07718 Alloy 718 Inconel Hollow Rod Nickel-base Alloy Bar |
| Material | Nickel based Alloys |
| Grade | Alloy 718 |
| Size | Customized |
| Surface | As per your demands |
| Application Areas | Aerospace, energy, chemical and other fields |
| 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 | UNS N07718 Alloy 718 Inconel Hollow Rod Nickel-base Alloy Bar | Material | Nickel based Alloys |
| Grade | Alloy 718 | Size | Customized |
| Surface | As per your demands | Application Areas | Aerospace, energy, chemical and other fields |
| 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 | UNS N07718 Alloy 718 Bar ，Hollow Nickel Base Alloy Bar ，Inconel Hollow Rod Bar | ||
UNS N07718 Alloy 718 Inconel Hollow Rod Nickel-base Alloy Bar
INCONEL 718 hollow rod is a high-performance nickel-based high-temperature alloy material. With its excellent high temperature resistance, corrosion resistance and oxidation resistance, it is widely used in complex working environments in aerospace, energy, chemical and other fields.
INCONEL 718 (UNS N07718) is a nickel-chromium-based high-temperature alloy that achieves precipitation strengthening by adding elements such as niobium (Nb) and molybdenum (Mo).
Core characteristics:
| Key advantages of Inconel 718 hollow bars | |
| Features | Description |
| Lightweight design | Hollow structure reduces weight while maintaining high load-bearing capacity, suitable for applications such as aircraft engine components. |
| High-precision dimensional control | The inner and outer diameter tolerances can be controlled within ±0.05mm to meet the needs of precision assembly. |
| Excellent fatigue resistance | Maintains stability under high-frequency cyclic loads, suitable for dynamic components (such as turbine shafts). |
| Welding and forming performance | Supports TIG and electron beam welding, and can be restored by heat treatment after cold forming. |
Heat treatment:
Solution treatment: 955°C ±10°C, 1 hour/25mm thickness, water quenching.
Age hardening: 720°C ±5°C (8 hours) → 620°C ±5°C (8 hours), air cooling.
Typical application areas
Aerospace: engine combustion chamber liners, turbine shafts, rocket nozzles.
Energy industry: nuclear power reactor pressure tubes, gas turbine ducts.
Petrochemical: valve housings and pump shafts in highly corrosive environments.
Medical equipment: MRI components, surgical instruments (requires biocompatibility treatment)
Quality Assurance: From melting (VIM+ESR) to cold rolling/extrusion, full NDT testing (ultrasonic + eddy current).
More grades:
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 to produc... 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 to produc...
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