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Delivering at the Right Time, Every Time
YUNJUN ST Distribution Division
We ensure a stable supply of versatile materials
including steel plates, structural sections, and pipes delivering essential resources rapidly to meet diverse project demands.

Strategic Logistics Partnerships for Optimized Distribution

Based on an extensive distribution network and systematic logistics operations, we build a stable supply structure aligned with on-site schedules and process workflow.

Through close coordination with our construction and manufacturing divisions, we integrate the entire process—from manufacturing and distribution to construction—as one system, to deliver enhanced efficiency and reliability to our clients.

A Comprehensive
Distribution Network
by YUNJUN ST
Hot Rolled
Steel Sheet
Feature
Produced by rolling slabs at high temperatures.
Applications
Structural use, feedstock for sections/pipes, general machinery, and construction.
Cold Rolled
Steel Sheet
Feature
Produced by pickled hot-rolled sheets at room temperature.
Applications
Automotive outer panels, home appliances, premium processed products.
Thick Plate
Feature
Steel plate with a thickness of 6mm or more.
Applications
Shipbuilding, bridges, building structures, pressure vessels, plant and heavy equipment.
Checkered Plate
Feature
Steel plate embossed with raised patterns.
Applications
Stairs, work platforms, ramps, truck beds.
  • Uncoiler
    Coil Processing
  • Flatbed Laser
    Plate Fabrication
  • Hydraulic Press
    Plate Fabrication
  • CNC Bending Machine
    Plate Fabrication
  • Beveling Machine
    Plate Fabrication
  • CNC Drilling
    Plate Fabrication
  • Roll Bending Machine
    Plate Fabrication
  • Welding
  • Shot Blasting
  • Coating
H-Beam
Feature
H-shaped cross-section providing superior load-bearing capacity.
Applications
Columns, beams, and frameworks for civil and architectural engineering.
I-Beam
Feature
I-shaped cross-section optimized for bending resistance.
Applications
Support beams, runners, crane rail beams, and mechanical structures.
C-Channel /
Purlin
Feature
C-shaped cross-section optimized for lightweight structural support.
Applications
Lightweight steel frames, roof and wall purlins, equipment supports, and secondary structural members.
T-Bar /
Tee Section
Feature
T-shaped cross-section designed for monolithic behavior with slabs.
Applications
Composite beams, brackets, cantilevers, and end-reinforcement members.
L-Angle /
Unequal Angle
Feature
L-shaped cross-section used for versatile reinforcement.
Applications
Bracing, stiffeners, frame corners, truss members, and support brackets.
Channel /
U-Section
Feature
U-shaped cross-section with high lateral stability.
Feature
Beams, runners, equipment bases, temporary structures, runway beams, and civil engineering auxiliary members.
Sheet Pile
Feature
Long, thin plate-type interlocking sections that form a continuous wall.
Applications
Earth-retaining walls, waterfront structures, cutoff walls, and temporary earth-retaining works.
Flat Bar
Feature
Flat steel bar
Applications
Reinforcement plates, splice plates, brackets, handrail and frame components, and raw material for small components.
Deck Plate
Feature
Formed steel plate acting as permanent formwork under slabs
Applications
Floor slab formwork, composite floor systems, and inter-floor structural decking.
  • Pipe Laser
    Tube Processing
  • Band Saw
    Section Fabrication
  • Welding Robot
    Automated Welding
  • Welding
  • 쇼트도장
    Shot Blasting
  • 쇼트도장
    Painting
General Structural Carbon Steel Pipe
Feature
Structural pipe designed to bear loads
Applications
Columns, trusses, frames, and other multi-purpose structural members.
Square & Rectangular Hollow Sections - SHS/RHS
Feature
Hollow sections with a square or rectangular profile, optimized for torsional rigidity.
Applications
Frameworks, columns, signage structures, and interior architectural features.
General Carbon Steel Pipe for Piping
Feature
Engineered for the efficient conveyance of water, air, and low-pressure fluids.
Applications
Water and sewage systems, fire protection, HVAC, and mechanical piping.
Carbon Steel Pipes for Pressure Service
Feature
Designed for high-pressure and high-temperature fluid transport in boilers and industrial plants.
Applications
Medium-to-high pressure piping and industrial process lines.
Galvanized Steel Pipe
Feature
Zinc-coated steel pipe with excellent corrosion resistance
Applications
Outdoor piping, railings, conduit.
  • Pipe Laser
    Tube Processing
  • Welding Robot
    Automated Welding
  • Manual Welding
  • 쇼트도장
    Shot Blasting
  • 쇼트도장
    Industrial Coating
Round Bar
Feature
Solid steel bars with a square cross-section.
Applications
Shafts, pins, bolts, mechanical components, and support rods.
Square Bar
Feature
Solid steel bars with a square cross-section.
Applications
Mechanical structural parts, supports, and frame reinforcements.
Hex Bar
Feature
Solid steel bars with a hexagonal cross-section.
Applications
Bolts, nuts, fasteners, and specialized mechanical components.
Deformed Reinforcing Bar / Rebar
Feature
Ribbed steel bars designed to reinforce concrete structures.
Applications
Internal reinforcement for slabs, beams, foundations, and columns.
Dedicated experts across construction, manufacturing, and distribution collaborate on every project to provide rapid and precise technical support.
Distribution Division