
Nuclear Power Plant
We are qualified as a material supplier to local nuclear power plants, such as Shingori, Shinwolsung or Barakah nuclear power plants. After being certified from KEPIC certification in 2005, we have been supplying a wide range of bolts, made of ASTM A36, A193, A194, A437 to F1554 for not only plant construction but also nuclear reactors and turbine generators.
For Nuclear Power Plant
Production Scope
- CNC Lathes
- Hot Forging : M10 - M100 (3/8 in. ~4 in.)
- Thread Rolling : M6 - M100 (1/4 in. ~ 4 in.)
- Band and Circular saw
Materials
- Structural Steel : JIS SS400, ASTM A36, A307, A325, A490
- Carbone Steel : S10C - S45C
- Alloy Steel : SCM 440, A193 Gr.B5, B7, B7M, B16, A320 Gr.L7, L7M, L43, A437 Gr. B4B, 20CrMoVTiB-10, etc.
- Heat Resistance Steel : ASTM A453 - 660, A564 - 630, C276, etc.
- Stainless Steel : A193 Gr.B8 CL.1&2, B8M CL.1&2, B8T, B8C, B6, SS317(L), SS321, etc.
- Duplex Stainless Steel : UNS No.: S31803, S32205, S32750, S32760, etc.
- Super Alloy Steel : MONEL K-400/K-500, INCONEL 625/718, TITANIUM Gr. 2, 5 ,7, NIMONIC, etc.
Applicable Standards
- ASME SECTION II PART A, B
- ASTM : A36, A182, A193, A194, A240, A276, A307, A320, A325, A449, A479, A490, A563, A574, F436, F844, B16, B462, B865, F1554, etc.
- ASME : B1.1, B1.13M, B18.2.1, B18.2.2, B18.3, B18.6.3, B18.2.3.5~7M, B18.2.4.1~6M, B18.3.1~6M, etc.
- BS : 3643-1, 3692, 4320, 14399
- JIS : B1051, B1052, B1173, B1175, B1178, B1180, B1181, B1189, etc.
- DIN : 912, 931, 933, 934, 936, 6914, 6915, 6916, 912, 125, 127, etc.
- ISO: 898-1, -2, 4014, 4032, 4762, etc.
- Customer Drawing and Specification
Surface Treatment
- Electric Galvanization: ASTM B633
- Hot-dip zinc coating: ASTM A153
- Mechanical Galvanization: ASTM B695
- PTFE (Teflon) Coating
- Acid Surface Treatments
- Phosphate Coating
- GEOMET Coating
- Delta-Tone & Seal Coating
- Xylan Coating
- Other Required Treatments
Material Tailored
We offer material customization based on specific industry needs, from carbon steel to high-grade stainless and duplex steels—ready to meet the stringent requirements of nuclear and renewable energy applications.
Extreme Condition
Our fasteners are engineered to maintain strength, integrity, and corrosion resistance in extreme conditions such as high temperature, pressure, and harsh outdoor environments.
KEPIC Certified Reliability
With KEPIC certification, our quality systems and products are qualified for the Korean nuclear industry—offering full traceability, documentation, and compliance with critical safety standards.
A Purpose-Built Process
for Your Project Success
Trusted Expertise for Every Industry
Our Approach to Maintaining Excellence in Quality
Quality Inspection
Every incoming material is thoroughly inspected, each process is monitored through in-process quality checks, and all products undergo a final inspection with full documentation before shipment.
Training Program
We conduct rigorous training and internal review program covering international standards, safety and technical skills ensuring that our capabilities improve after every project.
Traceable Process
Our traceability system integrates designated operations, color-coded material handling, and detailed lot numbering to ensure complete product separation, immediate issue tracking and continuous quality monitoring.








