Metal Stitching & Engine Reconditioning in Durban

Reconditioned engine block, CRS Group Durban

CRS Group of Companies

Our company is full members of the Metal Industries Association and the Durban chamber of Commerce and Industry.

About CRS Group.

Since inception (1977), the divisions of CRS operated as one business entity. The year 2011 saw the need for each business entity to carry out its operations individually but incorporating them under the banner of the newly-formed CRS Group of Companies. Hence, we have the many divisions making up the CRS Group of Companies.

Casting Repair & Engineering Services in Durban

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Metal Stitching

Metal stitching was developed as cold repair process, to repair cast iron components and equipment. The process is able to make safe predictive repairs in environments that are dangerous when exposed to open flame and high temperatures or sparks.

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Specialised Welding

We have a few welding processes that we do on a daily basis. Arc welding, Co2 welding, argon arc aluminium welding and fusion welding. Fusion welding is the process of reheating the metal to a molten state and fusing the material back to one solid piece.

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Engine Reconditioning

We have a fully equipped up to date automotive machine shop. High-quality services include engine rebuilding, reconditioning, cylinder head overhaul, skimming services, re-sleeving components, bell housings, crankshaft and camshaft grinding with polishing. All makes and models of automotive engines welcome.

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General Engineering

Machining and repairs to various items such as bearing housings, pitman screws , press ram blocks , vacuum pumps, fly wheels , pulleys and axles to name a few.

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3D Scanning

We are able to re-engineer lost data, repair broken items for which there is no CAS data, repair CAD moulds from originals, develop new products, first article inspection and quality control that can be used in Automotive engineering, general manufacturing, marine and medical fields, to name a few.

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Micro Welding

Micro welding or submerged arc welding is an automatic process which is done under powder/flux. It was designed to make longitudinal seam welds. It is one of the most productive welding processes, founded in the late 1930’s and early 1940’s this process remains very popular today.

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CAD/CAE Modelling

Computer aided drawing and engineering systems uses, 2d drawings and 3d models created, Assemblies (check faults or fitment issues, Strength analysis of parts, Design for manufacture.

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Component Manufacture

We have manufactured many components over the years, everything from con-rods to camshafts, hi-speed polishing machines, crankshafts and general machinery.

Since 1977 we’ve repaired cracked blocks, heads and heavy castings that others scrap.

CRS Group engineering team at work in Durban
Durban harbour

Why Durban Workshops and Mines Use CRS

Nearly 50 years of casting repair, engine reconditioning and precision machining from our Mayville workshop. Members of the Metal Industries Association and the Durban Chamber of Commerce and Industry.

Cylinder heads repaired at CRS Group, Durban

Since

1977

On-Site Repairs for Mining & Industry

Cold metal stitching needs no heat, so there is no distortion and no fire risk. Cracked castings on mining and industrial plant can be repaired on site.

CRS Group workshop team, Mayville Durban

Get a Quote

Send photos of the cracked or worn part on WhatsApp (084 511 5929) or use our quote form for a fast assessment.

CRS Group growth
CRS Group workshop, 16 Saxon Avenue Mayville Durban