Samjin Metal, The Republic of Korea - Komachine Supplier Profile and Product List

- Established in 1981, Samjin Metal Co., Ltd. specializes in special fastening components such as bolts, nuts, spindles, and Inconel bolts for power generation facilities. The company is recognized as Korea's No.1 specialized bolt manufacturer, uniquely producing spindle bolts and cylinder bolts for gas turbines. It possesses specialized technology for manufacturing critical fastening components for gas turbine and steam turbine power plants operating in high-temperature and high-pressure environments. Based on its expertise in processing and manufacturing special alloy materials like Inconel, the company has successfully localized previously imported core components.Established in 1981, Samjin Metal Co., Ltd. specializes in special fastening components such as bolts, nuts, spindles, and Inconel bolts for power generation facilities. The company is recognized as Korea's No.1 specialized bolt manufacturer, uniquely producing spindle bolts and cylinder bolts for gas turbines. It possesses specialized technology for manufacturing critical fastening components for gas turbine and steam turbine power plants operating in high-temperature and high-pressure environments. Based on its expertise in processing and manufacturing special alloy materials like Inconel, the company has successfully localized previously imported core components.
- Special Bolts and Nuts for Gas Turbines: This product line includes SPINDLE BOLT (COMP, TURBINE PARTS), 12POINT BOLT & NUT, AIR SEPARATOR BOLT SETS, DOUBLE END STUD, COUPLING BOLT, HELICOIL INSERT, SPINDLE NUT, HEX SOCKET HEAD CAP BOLT, REAMER BOLT, Shroud Block, BLADE, VANE, PARTITION, and various other components. These products utilize nickel-based superalloys such as Inconel 718, offering superior heat resistance, corrosion resistance, and high strength.Special Bolts and Nuts for Gas Turbines: This product line includes SPINDLE BOLT (COMP, TURBINE PARTS), 12POINT BOLT & NUT, AIR SEPARATOR BOLT SETS, DOUBLE END STUD, COUPLING BOLT, HELICOIL INSERT, SPINDLE NUT, HEX SOCKET HEAD CAP BOLT, REAMER BOLT, Shroud Block, BLADE, VANE, PARTITION, and various other components. These products utilize nickel-based superalloys such as Inconel 718, offering superior heat resistance, corrosion resistance, and high strength.
- Fasteners for Steam Turbines and Nuclear Power: A comprehensive range of products including TAP STUD BOLT, SLOTTED NUT, THRU, STUD BOLT, REAMER BOLT, JACKING BOLT, HEX BOLT, HEX HEAD SHOULDER BOLT, CAP NUT, ROTOR COUPLING BOLT&SLEEVE, HEX SOCKET HEAD CAP SCREW, HEX NUT, 12 POINT NUT, SELF LOCKING NUT, SLOTTED AND CASTLE NUT, RIVET, SPHERICAL WASHER, NITRIDING BUSH, GIB KEY, and more. Manufactured using materials and processes certified by ASME and KEPIC (Nuclear Quality Assurance), these fasteners maintain mechanical properties even in radiation, high-temperature, and high-pressure steam environments.Fasteners for Steam Turbines and Nuclear Power: A comprehensive range of products including TAP STUD BOLT, SLOTTED NUT, THRU, STUD BOLT, REAMER BOLT, JACKING BOLT, HEX BOLT, HEX HEAD SHOULDER BOLT, CAP NUT, ROTOR COUPLING BOLT&SLEEVE, HEX SOCKET HEAD CAP SCREW, HEX NUT, 12 POINT NUT, SELF LOCKING NUT, SLOTTED AND CASTLE NUT, RIVET, SPHERICAL WASHER, NITRIDING BUSH, GIB KEY, and more. Manufactured using materials and processes certified by ASME and KEPIC (Nuclear Quality Assurance), these fasteners maintain mechanical properties even in radiation, high-temperature, and high-pressure steam environments.
- Industrial Machinery and Other Special Bolts: The company handles various industrial bolts and nuts such as Locking Hex Head Bolt, U-Bolt, Hinge Bolt, Dowel Screw, Dowel Pin, and Body Bound Stud. It also includes specialized fastening components like Covered Nut, Casing Bolt, and Marriage Coupling Set [database].Industrial Machinery and Other Special Bolts: The company handles various industrial bolts and nuts such as Locking Hex Head Bolt, U-Bolt, Hinge Bolt, Dowel Screw, Dowel Pin, and Body Bound Stud. It also includes specialized fastening components like Covered Nut, Casing Bolt, and Marriage Coupling Set [database].
- Core Technologies: Proprietary pre-rolling and precision machining technologies are applied to prevent fatigue failure and maximize product lifespan. The company holds patents for manufacturing technology of INCONEL718 material TENSION STUD BOLTS and a cutting system for gas turbine through-bolts, demonstrating its technical expertise.Core Technologies: Proprietary pre-rolling and precision machining technologies are applied to prevent fatigue failure and maximize product lifespan. The company holds patents for manufacturing technology of INCONEL718 material TENSION STUD BOLTS and a cutting system for gas turbine through-bolts, demonstrating its technical expertise.
- Technological Superiority and Localization Success: With over 40 years of accumulated technology, the company possesses unique expertise as the sole domestic producer of gas turbine spindle bolts and cylinder bolts. It has successfully localized critical high-temperature and high-pressure fastening components previously reliant on imports, contributing to the stability and competitiveness of the domestic power generation industry. The development of products with 12 times higher straightness and superior strength compared to imported counterparts further secures its technological advantage.Technological Superiority and Localization Success: With over 40 years of accumulated technology, the company possesses unique expertise as the sole domestic producer of gas turbine spindle bolts and cylinder bolts. It has successfully localized critical high-temperature and high-pressure fastening components previously reliant on imports, contributing to the stability and competitiveness of the domestic power generation industry. The development of products with 12 times higher straightness and superior strength compared to imported counterparts further secures its technological advantage.
- High-Value Special Alloy Material Processing Capability: The company possesses specialized expertise in processing and manufacturing nickel-based superalloys like Inconel 718, which require advanced technological skills. This capability enables the production of components that maintain excellent heat resistance, corrosion resistance, and high strength even in extreme environments.High-Value Special Alloy Material Processing Capability: The company possesses specialized expertise in processing and manufacturing nickel-based superalloys like Inconel 718, which require advanced technological skills. This capability enables the production of components that maintain excellent heat resistance, corrosion resistance, and high strength even in extreme environments.
- Quality and Reliability Assurance: Attainment of numerous international quality, environmental, and safety management system certifications including ISO 19443, ISO 9001, ISO 14001, and ISO 45001, ensuring product reliability. Compliance with stringent nuclear quality assurance standards such as KEPIC-MN,SN and ASME SECT.Ⅲ NCA-3800 for supplying components to nuclear power generation facilities.Quality and Reliability Assurance: Attainment of numerous international quality, environmental, and safety management system certifications including ISO 19443, ISO 9001, ISO 14001, and ISO 45001, ensuring product reliability. Compliance with stringent nuclear quality assurance standards such as KEPIC-MN,SN and ASME SECT.Ⅲ NCA-3800 for supplying components to nuclear power generation facilities.
- Customized Solutions and Stable Supply Chain: The ability to develop customized products with equivalent or superior performance through precise reverse engineering and material analysis based on customer requirements and existing components. This provides customers with over 30% cost savings compared to imports and ensures a stable supply of components, contributing to customer satisfaction.Customized Solutions and Stable Supply Chain: The ability to develop customized products with equivalent or superior performance through precise reverse engineering and material analysis based on customer requirements and existing components. This provides customers with over 30% cost savings compared to imports and ensures a stable supply of components, contributing to customer satisfaction.
- Continuous R&D and Facility Expansion: Ongoing investment in nurturing young talent, venturing into high-value-added industrial sectors, and continuously expanding equipment and facilities for the production of large and specialized components. Expansion of its technology portfolio through numerous patents and government R&D projects.Continuous R&D and Facility Expansion: Ongoing investment in nurturing young talent, venturing into high-value-added industrial sectors, and continuously expanding equipment and facilities for the production of large and specialized components. Expansion of its technology portfolio through numerous patents and government R&D projects.
- Power Generation Equipment Industry: Supplying critical fastening components to various power generation facilities, including gas turbine power plants, steam turbine power plants, and combined cycle power plants.Power Generation Equipment Industry: Supplying critical fastening components to various power generation facilities, including gas turbine power plants, steam turbine power plants, and combined cycle power plants.
- Nuclear Power Industry: Contributing to the stability of the national infrastructure by providing essential fastening materials directly related to the safety of nuclear power plants.Nuclear Power Industry: Contributing to the stability of the national infrastructure by providing essential fastening materials directly related to the safety of nuclear power plants.
- Offshore Plant Industry: Meeting the demand for special bolts and nuts in the offshore plant sector.Offshore Plant Industry: Meeting the demand for special bolts and nuts in the offshore plant sector.
- Heavy Industry: Supplying high-quality products to major domestic and international heavy industry companies such as Doosan Enerbility and Hyundai Heavy Industries.Heavy Industry: Supplying high-quality products to major domestic and international heavy industry companies such as Doosan Enerbility and Hyundai Heavy Industries.
- Japan, Middle East, Southeast AsiaJapan, Middle East, Southeast Asia
- ISO 19443:2018 (Nuclear Quality Management System) certification.ISO 19443:2018 (Nuclear Quality Management System) certification.
- ISO 9001:2015 (Quality Management System) certification.ISO 9001:2015 (Quality Management System) certification.
- ISO 14001:2015 (Environmental Management System) certification.ISO 14001:2015 (Environmental Management System) certification.
- ISO 45001:2018 (Occupational Health and Safety Management System) certification.ISO 45001:2018 (Occupational Health and Safety Management System) certification.
- KEPIC-MN,SN (Nuclear Quality System) certification.KEPIC-MN,SN (Nuclear Quality System) certification.
- ASME SECT.Ⅲ NCA-3800 (Nuclear Safety Field) certification.ASME SECT.Ⅲ NCA-3800 (Nuclear Safety Field) certification.
- Doosan Enerbility N-grade approved supplier registration.Doosan Enerbility N-grade approved supplier registration.
- KEPCO Trusted Partner certification (Korea Electric Power Corporation Excellent Cooperative SME).KEPCO Trusted Partner certification (Korea Electric Power Corporation Excellent Cooperative SME).
- Patent acquisition for Gas Turbine Through-bolt Cutting Processing System and its method (2008).Patent acquisition for Gas Turbine Through-bolt Cutting Processing System and its method (2008).
- Patent acquisition for INCONEL718 Material TENSION STUD BOLT Manufacturing Technology Development (2008).Patent acquisition for INCONEL718 Material TENSION STUD BOLT Manufacturing Technology Development (2008).
- Performance certification for SPINDLE BOLT & NUTS (2021).Performance certification for SPINDLE BOLT & NUTS (2021).
- Venture company confirmation registration (2017).Venture company confirmation registration (2017).