Container securing · lifting · moving — Southern Africa WhatsApp 060 697 2546  ·  +27 (0)11 609 7873  ·  info@twistlockafrica.co.za
Operation 07 · Fabricating

Corner castings

TLA-FAB-CC-01
3D on request

Replacement ISO corner castings for shipping container repair; manufactured from low-temperature steel (-40°C rated); sold individually by corner position (TL, TR, BL, BR) or as a set of 8.

No prices online — quotations are prepared per application and quantity, usually within one business day; a more involved enquiry may take a little longer.

Specifications
MaterialSCW480 / low-temperature steel (-40°C working temperature). Also available in aluminium and stainless steel
StandardISO 1161

Load ratings are as published in the TLA 2026 catalogue. Site-specific ratings and certification: on request.

Features
  • World-standard ISO 1161 components forming the basis of all intermodal container transport
  • Top and bottom castings are interchangeable (same size and openings)
  • ISO 1161 specifies geometry and tolerance, not mass — mass varies with the casting pattern and wall thickness within tolerance
  • Full engineering drawings available on request
  • Fundamental structural components — every replacement enables corner-to-corner connection and lifting with standard equipment
Typical applications

Container fabrication and repair; replacement of damaged or corroded corner castings.

Description

The corner casting is the fitting every other piece of container handling and securing equipment engages — twistlocks, lifting lugs, lashing points and stacking all connect through it. Twistlock Africa supplies replacement sets in low-temperature-rated steel (-40°C) to the standard ISO 1161 geometry, individually by corner position or as a set of eight covering all four positions. Top and bottom castings share the same size and opening, keeping stock simple.

Downloads & CAD

⬇  Download the datasheet (PDF)

◫  3D model (STEP) — Available on request (WhatsApp)

◇  Technical drawing — included in the datasheet above.

Corner castings — 15 variants

Each variant has its own page, drawing and SKU.

VariantSKUSize / sectionMass
Top Right (TR)TLA-FAB-CC-TR178 × 162 × 118 mm—
Top Left (TL)TLA-FAB-CC-TL178 × 162 × 118 mm—
Bottom Left (BL)TLA-FAB-CC-BL178 × 162 × 118 mm—
Bottom Right (BR)TLA-FAB-CC-BR178 × 162 × 118 mm—
Set of 8TLA-FAB-CC-SET8178 × 162 × 118 mm—
Stainless steel · Top Right (TR)TLA-FAB-CC-TR-SS178 × 162 × 118 mm≈ 11 kg
Stainless steel · Top Left (TL)TLA-FAB-CC-TL-SS178 × 162 × 118 mm≈ 11 kg
Stainless steel · Bottom Left (BL)TLA-FAB-CC-BL-SS178 × 162 × 118 mm≈ 11 kg
Stainless steel · Bottom Right (BR)TLA-FAB-CC-BR-SS178 × 162 × 118 mm≈ 11 kg
Stainless steel · Set of 8TLA-FAB-CC-SET8-SS178 × 162 × 118 mm≈ 88 kg
Aluminium · Top Right (TR)TLA-FAB-CC-TR-AL178 × 162 × 118 mm≈ 3.6 kg
Aluminium · Top Left (TL)TLA-FAB-CC-TL-AL178 × 162 × 118 mm≈ 3.6 kg
Aluminium · Bottom Left (BL)TLA-FAB-CC-BL-AL178 × 162 × 118 mm≈ 3.6 kg
Aluminium · Bottom Right (BR)TLA-FAB-CC-BR-AL178 × 162 × 118 mm≈ 3.6 kg
Aluminium · Set of 8TLA-FAB-CC-SET8-AL178 × 162 × 118 mm≈ 28.8 kg

— = not listed; confirmed with the quotation.

Design loads per corner fitting
Load caseCarbon steel (SCW480) & stainless steelAluminium EN AW-7020-T6Aluminium A356-T6
Stacking — top fitting (load offset 25.4 × 38 mm)942 kN687 kN459 kN
Stacking — bottom fitting on flat support1 200 kN875 kN585 kN
Stacking — bottom fitting (load offset)942 kN687 kN459 kN
Lifting — top fitting (twistlock  hook or shackle)195 kN142 kN95 kN
Lifting — bottom fitting (sling at 30°)390 kN284 kN190 kN
Longitudinal restraint — two bottom fittings300 kN219 kN146 kN
Vertical restraint — top and bottom fittings250 kN182 kN122 kN
Misgather — any fitting190 kN139 kN93 kN

Carbon steel and stainless steel: the design loads of ISO 1161:2016. Aluminium: those loads derated in proportion to minimum tensile strength against SCW480 (480 MPa) — EN AW-7020-T6 350 MPa (×0.73), A356-T6 234 MPa (×0.49). Aluminium corner castings are made to ISO 1161 dimensions but are not rated to its design loads. Design loads are the loads a fitting is designed and tested to, not a safe working load for lifting gear — ask an engineer for a site-specific rating.

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