Technical Specifications

Technical Spec Library

Explore our steel grade certifications and specification sheets standardizing structural supply accuracy.
Grades & Certifications

Specification Sheet

Grade / CategorySpecificationPrimary ApplicationCertification
H-Beam G300Structural Steel S355JRAirport Terminals, High-RiseKOREAN STD
Reinforcement BarTMT 500W GradeBridges, Marine StructureASTM A615
Plate SteelMarine Grade A/BShipbuilding, Port GatesLRS/ABS
Cold Rolled CoilsSPCC-SD BrightAutomotive, Industrial PartsJIS G3141

Mill Test Certificates

Every shipment is accompanied by original mill test certificates from POSCO, Hyundai Steel, Hansung Steel or SEAH.

International Standards

Products conform to KS, ASTM, JIS, and BS-EN standards depending on grade and application.

Custom Specifications

Thickness, width, coating weight and surface finish can be specified per order — contact our technical sales team.

Need a Specification Sheet?

Request grade-specific datasheets, coating details, or compliance documentation for your project.