National Register: Certified Welding Fabricators
SAIW Certification, the certification division of SAIW, is authorised by the International Institute of Welding (IIW) to operate its Manufacturer Certification Scheme in South Africa, based on the ISO 3834 standard – Quality requirements for fusion welding of metallic materials. SAIW has also introduced a second welding fabricator certification scheme based on the quality control system requirements of ASME Section VIII Division 1 Appendix 10 (please see list of certified companies at bottom of page) . For more on these Schemes, please click here.
Please click on the company name for direct contact to their website/email.
Welding Fabricators certified for the management of quality in accordance with ISO 3834
| Company Name | Quality Level | Expiry Date | Products | Materials | Welding Processes | Cert No. |
|---|---|---|---|---|---|---|
| Stainless Fabricators (Chamdor Workshop) |
Comprehensive ISO 3834 Part 2 |
11th February 2013 | Pressure vessels, heat exchangers, pipework, tanks and columns | Carbon steels, austenitic Stainless Steels, Duplex Stainless Steels, titanium, Monel, Inconel and Hastelloy | PAW, GTAW, SMAW, SAW, GMAW & FCAW |
ZA-001 Rev.01 |
| Engski Manufacturing (Sasolburg Workshop) |
Comprehensive ISO 3834 Part 2 |
31st July 2013 | Pressure vessels, heat exchangers, boilers, coils and stock tanks | Carbon steels, Austenitic Stainless Steels, aluminium alloys | GTAW, GMAW, FCAW, SMAW and SAW | ZA-002 Rev.01 |
| GEA Aircooled Systems (Germiston Workshop) |
Comprehensive ISO 3834 Part 2 |
31st July 2013 | Shell and tube heat exchangers, air-cooled heat exchangers, HP heaters, pressure vessels | Carbon steels, Carbon molybdenum steels, Cr-Mo steels, Austenitic Stainless Steels, Nickel steels and Duplex Stainless Steels | SMAW, GMAW, FCAW, GTAW and SAW | ZA-003 Rev.1 |
| Gascon (Pty) Ltd (Elsies River Workshop) |
Comprehensive ISO 3834 Part 2 |
31st July 2013 | Pressure vessels, gas tank containers, ISO tank containers, road tankers, diving chambers, static cryogenic vessels | HSLA, Austenitic Stainless Steels, Duplex Stainless Steels | PAW, SMAW, GTAW, GMAW and SAW | ZA-004 Rev.0 |
| Babcock Fabrication (Jet Park Workshop) |
Comprehensive ISO 3834-Part 2 |
31st July 2013 | Boiler pressure parts, radiant heaters, LT pipework and heat exchangers | Carbon manganese steels, C-Mo steels, Cr-Mo creep resisting steels, Austenitic Stainless Steels and Inconel | SMAW, GTAW, FCAW, GMAW and SAW | ZA-005 Rev.1 |
| D B Thermal (Nigel Workshop) |
Comprehensive ISO 3834 Part 2 |
31st July 2013 | Pressure vessels, pressure piping, heat exchangers, airfin coolers, gearbox refurb., and condensers | Carbon steels and Austenitic Stainless Steels | SMAW, GTAW, FCAW and SAW | ZA-006 Rev.1 |
| Group Five Oil and Gas (Chevron Refinery site) |
Comprehensive ISO 3834 Part 2 |
16th February 2014 | Pressure pipework, structural steel, Maintenance on pressure vessels, boilers and tanks | Carbon steels, Cr-Mo steels, austenitic & Duplex Stainless Steels, Monel & Inconel. | SMAW, GTAW & SAW | ZA-008 Rev.0 |
| GRW Engineering (Pty) Ltd (Worcester workshops) |
Comprehensive ISO 3834 Part 2 |
16th February 2014 | Road tankers and intermodal tank containers | Carbon steel, Stainless Steel and aluminium alloys | PAW, GTAW, GMAW | ZA-009 Rev.0 |
| Elgin Engineering (Pty) Ltd (Durban workshops) |
Comprehensive ISO 3834 Part 2 |
16th February 2014 | Pressure vessels, heat exchangers, boilers, tanks,structural steel and sugar milling equipment | Carbon steels, Cr-Mo steels and austenitic stainless steels | SMAW, SAW, GMAW, FCAW & GTAW | ZA-010 Rev.0 |
| Hydra-Arc (Pty) Ltd (Secunda workshops) |
Comprehensive ISO 3834 Part 2 |
24th August 2014 | Pressure vessels and pressure piping | Carbon steel, Austenitic & Duplex stainless steel, monel, inconel & titanium | SMAW, GTAW,GMAW, FAW, SAW & PAW | ZA-011 Rev.1 |
| Steinmuller Africa (Pty) Ltd | Comprehensive ISO 3834 Part 2 |
24th August 2014 | Boiler pressure parts | Carbon steel, Cr-Mo steel, Cr-Mo-Ni-V steels and Austenitic Stainless Steels | SMAW, GTAW & SAW | ZA-012 Rev.0 |
| August General Servicing SA (Pty) Ltd | Standard ISO 3834 Part 3 |
15th February 2015 | Structural Steel | Carbon Steel | SMAW & GMAW | ZA-013 Rev.0 |
| Tass Engineering | Standard ISO 3834 Part 3 |
15th February 2015 | Structural Steel | Carbon Steel | SMAW & GMAW | ZA-014 Rev.0 |
| DSE Engineers & Contractors | Standard ISO 3834 Part 3 |
15th February 2015 | Structural Steel | Carbon Steel | SMAW & GMAW | ZA-015 Rev.0 |
| SHM Engineering | Comprehensive ISO 3834 Part 2 |
17th May 2015 | Pressure vessels, boilers, piping and structural steel | Carbon steel, Cr-Mo and austenitic stainless steels | SMAW, GTAW, GMAW, FCAW & SAW | ZA-016 Rev.0 |
| Turnmill Proquip Engineering | Comprehensive ISO 3834 Part 2 | 17th May 2015 | Pressure vessels and heavy material handling equipment | Carbon steel, Q & T steels, Cr-Mo steels, Austenitic stainless steels, Nickel alloys and Duplex stainless |
SMAW, SAW, GMAW, FCAW & GTAW | ZA-017 Rev.0 |
| Carbon Steel Fabricators | Comprehensive ISO 3834-Part 2 | 17th May 2015 | Pressure vessels, tanks, reactors, heat exchangers and general engineering equipment | Carbon steel, Cr-Mo steel, Austenitic stainless steel, Duplex stainless steel | SMAW, SAW, FCAW & GTAW | ZA-018 Rev.0 |
| Zimmerman & Jansen | Comprehensive ISO 3834-Part 2 | 27th May 2015 | Pressure vessels, heat exchangers & custom built valves | Carbon steel, Steels, Austenitic & Duplex stainless steel | SMAW, GTAW, GMAW & SAW | ZA-019 Rev.0 |
| Manlimeli Construction & Engineering | Comprehensive ISO 3834 Part 2 |
1st July 2015 | Pressure vessels, HP Pipework, boiler maintenance & General construction | Carbon steel, Cr-Mo steels & Austenitic stainless steels | SMAW, GTAW, GMAW & FCAW | ZA-020 Rev.0 |
| DCD-Dorbyl HEV | Comprehensive ISO 3834 Part 2 | 30th August 2015 | Mining equipment, Heavy mechanical plant equipment for the iron and steel industry, steam generation and ancillary equipment for thermal, hydro and nuclear power generation | Carbon steels | SMAW, GTAW, GMAW, FCAW and SAW | ZA-021 Rev.0 |
| Styria Engineering | Comprehensive ISO 3834 Part 2 | 31st August 2015 | Storage tanks, pressure vessels and heat exchangers | Carbon and austenitic stainless steels | SMAW, GTAW, GMAW, FCAW, PAW & SAW | ZA-022 Rev.0 |
| Steinmuller Engineering Services (Various sites) |
Comprehensive ISO 3834 Part 2 | 14th December 2015 | Fabrication and maintenance of Power Generation, Petrochemical and Steelmaking Plant | Carbon, Cr-Mo, Cr-Mo-V, ferritic, austenitic & duplex stainless steels & nickel alloys | SMAW, GTAW & FCAW | ZA-023 Rev.0 |
| Elfab | Comprehensive ISO 3834 Part 3 | 14th February 2016 | Structural steel, tanks and piping | Carbon, Q & T, austenitic stainless steels and nickel alloys | SMAW, GTAW & GMAW | ZA-024 Rev.0 |
| Sasol Synfuels Welding Technology | Comprehensive ISO 3834 Part 2 | 23rd February 2016 | Fabrication & maintenance of pressure vessels, piping, tanks and structural steel | Carbon, Q & T, Cr-Mo, ferritic & austenitic stainless steels & nickel alloys | SMAW, GTAW,GMAW, FCAW & SAW | ZA-025 Rev.0 |
| Group Five (Durban workshops) |
Comprehensive ISO 3834 Part 2 | 3rd March 2016 | General fabrication & maintenance of piping and piping components, structural steel & pressure vessels | Carbon, Cr-Mo, austenitic and duplex stainless steels | SMAW & GTAW | ZA-026 Rev.0 |
| Tubular Structural & General Fabricators | Standard ISO 3834 Part 3 |
2nd March 2016 | Structural steel & general fabrication | Carbon steel | SMAW, GMAW & SAW | ZA-027 Rev.0 |
| Tradefin Engineering | Comprehensive ISO 3834 Part 2 | 23rd February 2016 | Pressure vessels & heat exchangers | Carbon, Cr-Mo & austenitic stainless steel. | SMAW, GTAW, GMAW, FCAW & SAW | ZA-029 Rev.0 |
| Elca Engineering Company (Pty) Ltd | Comprehensive ISO 3834 Part 2 |
28th June 2016 | Pressure vessels & heat exchangers | Steels with C <0.25, Si <0.60, Mn<1.8; Quenched Hardened Steels; Austenitic Stainless Steel. | MMA, TIG, SAW, MIG/MAG |
ZA-030 Rev.0 |
| Demag Cranes | Comprehensive ISO 3834 Part 3 | August 2016 | Overhead Cranes & Various Other Lifting Equipment | Carbon steel & Alloy steels | SMAW-MMJA, GMAW - MIG/MAG, SAW | ZA-031 |
| Fluor Secunda Workshop | Comprehensive ISO 3834 Part 2 | September 2016 | Piping, Small Structural Steel | Carbon Steel, Austenitic Stainless Steel, Nickel Alloy Steels, Duplex Stainless Steel,Thermomechanically Treated Steels, Ferritic/Martensitic/Precipitation Hardened Stainless Steel, Quench & Tempered Steels, Vandum Alloy Steels, High Carbon Steels>0.25%C, Cr-Mo Steels, Alluminium Alloys, Nickel Alloys | SMAW, GMAW, GTAW, FCAW | ZA-032 |
| Cadcon | Comprehensive ISO 3834 Part 3 | September 2016 | Structural steels | Carbon Steel | MMA, TIG, MAG, FACAW, SAW | ZA-033 |
| WASA Integra | Standard ISO 3834 Part 3 | September 2016 | Concast Rolls, Hardfaced Plates, Crusher Rolls, General Fabrication | Carbon steels & Austenitic Stainless Steels |
SMAW, GMAW,FCAW, SAW |
ZA-034A ZA-034B |
| Vanderbijl Hydraulics and Engineering | Comprehensive ISO 3834 Part 2 | October 2016 | Structural steelwork, Roll re-conditioning, Piping, Pressure vessels & welding of hydraulic & pneumatic equipment | Carbon steel & Austenitic stainless steel | MMA, TIG, MAG, SAW | ZA-035 |
| M.E.M.P Engineering | Comprehensive ISO 3834 Part 2 | September 2016 | Fabrication and Maintenace of structural steelwork, Pressure Equipment, Piping, Lifting Equipment & Furnace repairs | Carbon Steel, Quench & Tempered Steels, Austenitic Stainless Steels | SMAW, GMAW, GTAW, FCAW | ZA-036 |
| Hi Tech Pressure Engineering (Pty) Ltd | Comprehensive ISO 3834 Part 2 | December 2016 | Pressure Vessels & Heat Exchangers | Carbon Steels, Quench & Tempered Steels, Cr-Mo Steels, Ferritic/Matensitic/Precipitation Hardened Stainless Steel, Austenitic Stainless Steels, Nickel Alloy Steels, Duplex Stainless Steels, Nickel Alloys |
SMAW, GMAW,GTAW, SAW, FCAW |
ZA-037 |
| Fabrinox | Comprehensive ISO 3834 Part 2 | January 2017 | Malty Stainless Steel Sheets Metal products, Piping, Carbon Steel, Limited aluminium products | Carbon Steels, Austenitic Stainless Steels, Duplex Stainless Steels |
SMAW, GMAWM |
ZA-038 |
| Nuclear Manufacturing (NECSA) | Comprehensive ISO 3834 Part 2 |
March 2017 | Equipment for nuclear industry, Pressure Vessels | Carbon Steels, Quench & Tempered Steels, Creep Resistant Steels, Stainless Steel, Nickel Alloy Steels, Nickel Alloys | MMA, TIG, MAG, FCAW, SAW | ZA-039 |
| Kentz Chamdor | Comprehensive ISO 3834 Part 2 |
March 2017 | Process piping & Structural Steel | Carbon Steels, Quench & Tempered Steel, Creep Resistant Steel, Austenitic Stainless Steel, Duplex Stainless Steels | MMA, TIG, MAG, MFAW, SAW | ZA-040 |
SAIW Certification Scheme for the certification of Pressure Vessel Fabricators for the management of quality in accordance with ASME Section VIII Division 1 Appendix 10
| Company name | Expiry date | SAIW Certification Cert. No. |
|---|---|---|
| Stainless Fabricators |
05/2015 | ZA-001 Rev.01 |
| Engski Manufacturing | 07/2013 | ZA-002 Rev. 01 |
| GEA Air-cooled Systems | 07/2013 | ZA-003 Rev. 01 |
| Babcock Fabrication | 07/2013 | ZA-005 Rev. 01 |
| GRW | 02/2014 | ZA-009 Rev. 0 |
| Hydra-Arc | 08/2014 | ZA-011 Rev. 01 |
| Steinmuller Africa | 08/2014 | ZA-012 Rev. 0 |
| Carbon Steel Fabricators | 05/2015 | ZA-018 Rev. 0 |
| Turnmill Engineering | 05/2015 | ZA-017 Rev. 0 |
| SHM Engineering | 05/2015 | ZA-016 Rev. 0 |
| Zimmerman and Jansen | 07/2015 | ZA-019 Rev.0 |
| Manlimeli Construction and Engineering | 08/2015 | ZA-020 Rev.0 |
| Styria Engineering | 08/2015 | ZA-022 Rev.0 |
| Elca Engineering | 06/2016 | ZA-030 Rev.0 |
| Vanderbijl Hydraulics and Engineering | 10/2016 | ZA-035 Rev.0 |
| M.E.M.P Engineering | 09/2016 | ZA-036 Rev.0 |
| Fluor Secunda Workshop | 09/2016 | ZA-032 Rev.0 |
| Hi Tech Pressure Engineering (Pty) Ltd | 12/2016 | ZA-037 Rev.0 |