
Yantai Refra Heat Resistant Alloys Co., Ltd. was established in 1991. As a Sino-French joint venture, dra wing on French management models and systems, the company has consistently adhered to Manoir's technical procedures and quality standards.
Specializing in centrifugal casting tubes and static casting fittings made of heat-resistant alloys, our products include cracking radiant coils, reformer tubes, DRI tubes, hearth rolls, and lehr rolls designed for the petrochemical, steel, and float glass industries.
The company has remained dedicated to the field of high-temperature heat resistant alloys. evolving through joint ventures, technology introduction, independent innovation, and brand revitalization into one of China's key enterprises in the high-temperature alloys industry.
Our products are extensively used in key industrial sectors such as petrochemicals, steel, and architecture.
By integrating advanced technology, modern equipment, and robust metallurgical R&D with decades of experience, Yantai Manoir provides highly reliable and cost-effective solutions to meet the demanding needs of our clients.
Specialist in high grade alloys for petrochemical applications

As the core heat transferring component in the gas-based direct reduction iron (DRI) process, DRI tubes must operate continuously within a H₂-CO reducing atmosphere at high temperatures ranging from 800°C to 1200°C.
Yantai Refra Heat Resistant Alloys Co., Ltd is capable of manufacturing high-performance tubes and associated components in various grades, dimensions, and specifications tailored to meet specific customer requirements.
Operating temperature range: 600-900℃(maximum up to 1100°C)
Material properties: High-temperature resistance (≥1000℃), high strength of extension corrosion resistance, oxidation resistance, anti-sulfidation corrosion and carburization resistance.
Representative materials: RF 20, RF 35M, RF 48W
As the core heat transferring component in the gas-based direct reduction iron (DRI) process, DRI tubes must operate continuously within a H₂-CO reducing atmosphere at high temperatures ranging from 800°C to 1200°C.
Yantai Refra Heat Resistant Alloys Co., Ltd is capable of manufacturing high-performance tubes and associated components in various grades, dimensions, and specifications tailored to meet specific customer requirements.
Operating temperature range: 600-900℃(maximum up to 1100°C)
Material properties: High-temperature resistance (≥1000℃), high strength of extension corrosion resistance, oxidation resistance, anti-sulfidation corrosion and carburization resistance.
Representative materials: RF 20, RF 35M, RF 48W
As the core heat transferring component in the gas-based direct reduction iron (DRI) process, DRI tubes must operate continuously within a H₂-CO reducing atmosphere at high temperatures ranging from 800°C to 1200°C.
Yantai Refra Heat Resistant Alloys Co., Ltd is capable of manufacturing high-performance tubes and associated components in various grades, dimensions, and specifications tailored to meet specific customer requirements.
Operating temperature range: 600-900℃(maximum up to 1100°C)
Material properties: High-temperature resistance (≥1000℃), high strength of extension corrosion resistance, oxidation resistance, anti-sulfidation corrosion and carburization resistance.
Representative materials: RF 20, RF 35M, RF 48W
As the core heat transferring component in the gas-based direct reduction iron (DRI) process, DRI tubes must operate continuously within a H₂-CO reducing atmosphere at high temperatures ranging from 800°C to 1200°C.
Yantai Refra Heat Resistant Alloys Co., Ltd is capable of manufacturing high-performance tubes and associated components in various grades, dimensions, and specifications tailored to meet specific customer requirements.
Operating temperature range: 600-900℃(maximum up to 1100°C)
Material properties: High-temperature resistance (≥1000℃), high strength of extension corrosion resistance, oxidation resistance, anti-sulfidation corrosion and carburization resistance.
Representative materials: RF 20, RF 35M, RF 48W
As the core heat transferring component in the gas-based direct reduction iron (DRI) process, DRI tubes must operate continuously within a H₂-CO reducing atmosphere at high temperatures ranging from 800°C to 1200°C.
Yantai Refra Heat Resistant Alloys Co., Ltd is capable of manufacturing high-performance tubes and associated components in various grades, dimensions, and specifications tailored to meet specific customer requirements.
Operating temperature range: 600-900℃(maximum up to 1100°C)
Material properties: High-temperature resistance (≥1000℃), high strength of extension corrosion resistance, oxidation resistance, anti-sulfidation corrosion and carburization resistance.
Representative materials: RF 20, RF 35M, RF 48W




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