Structural Profiles
Structural Steel
H-Beams, WF & Channels
Mill-certified structural sections for construction and heavy industrial frames.
Established 1994
RELIABLE STEEL,
SHAPING INDONESIA.
Steel materials and engineered flow components for industrial and infrastructure projects nationwide. Tailored execution. Consistent quality. Long-term partnership.
30+
Years Experience
10+
Global Brands
500+
Projects Supported
100+
Industrial Clients
Catalogue · 2026
ENGINEERED
FOR INDUSTRY.
Flanges
Carbon & Stainless Flanges
ANSI B16.5 · B16.47 · MSS SP-44
Pipes
Seamless & Welded Pipes
Carbon · Stainless · Alloy
Plates
Steel Plates
Hot & Cold Rolled · Boiler Grade
Fittings
Buttweld & Forged Fittings
Elbow · Tee · Reducer · Cap
Engineered Flow
Precision-fit components for critical pipelines.
From buttweld fittings to forged flanges and unions — every piece in our flow line meets ASTM, ANSI, and API standards. Sourced from globally trusted mills, stocked in Tangerang, ready to ship.
See specifications
Why Gatra
WHY PARTNER WITH US
Standards Compliant
Products meeting ASTM, API, ANSI, MSS, and DIN specifications.
Trusted Brands
Sourced from Tubacex, Tubos Reunidos, Krakatau Steel, ULMA, and more.
Reliable Delivery
Strategic warehousing in Tangerang ensures dependable project execution.
Project-Oriented
Tailored sourcing aligned with each project's unique technical demands.
Long-Term Partner
Three decades supporting Indonesia's industrial supply chain.
Engineered Flow
Specialized expertise in flow components beyond raw steel supply.
Let's build together