GNK Iron & Steel
Our Inventory

Engineering-Grade
Steel Products

Every product in our catalog meets or exceeds international structural engineering standards. Browse our inventory of over 200,000 SKUs available for rapid dispatch across Africa.

Structural Steel

I-Beams & H-Columns
Grade A572

I-Beams & H-Columns

  • Yield Strength: 50 ksi
  • Available: W4 to W44
  • Standard: ASTM A572
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High-Yield Rebar
Grade 60 / 75

High-Yield Rebar

  • Tensile: 90,000 psi
  • Sizes: #3 to #18
  • Standard: ASTM A615
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Steel Channels & Angles
Grade A36

Steel Channels & Angles

  • Various profiles
  • Hot & cold rolled
  • Standard: ASTM A36
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Hardware & Fasteners

Grade 8.8 Fasteners
ISO 898-1

Grade 8.8 Fasteners

  • Proof Load: 580 MPa
  • Sizes: M6 to M64
  • Standard: ISO 4014
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Anchor Bolts
ASTM F1554

Anchor Bolts

  • Grade 36 / 55 / 105
  • Custom length available
  • Hot-dip galvanized
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Structural Washers
ASTM F436

Structural Washers

  • Circular & beveled
  • Hardened steel
  • Standard: ASTM F436
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Full Product Catalog

Download our complete 200k+ SKU inventory with full technical specifications.

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Need Custom Specifications?

Our engineering team can fabricate to your exact project requirements. Get in touch to discuss custom orders.

Consult Our Engineers