Metal Stitching & Engine Reconditioning in 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.
Casting Repair & Engineering Services in Durban
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.











