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SAIW Member profile: Hydra-Arc
November 2015
AFRICAN FUSION
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Published four times a year and
mailed out together with
Mechanical Technology by:
Crown Publications cc
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Bedfordview 2008
Tel:
(011) 622 4770
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Editor:
Peter Middleton
E-mail:
mechanical@crown.co.zaAdvertising:
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normanw@crown.co.zaPublisher:
Karen Grant
Director:
Jenny Warwick
Cover design:
Air Liquide
Production & layout:
Darryl James
Circulation:
Karen Pearson
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Wendy Charles
Printed by:
Tandym Print
November 2015
Contents
www.africanfusionmagazine.co.za Following the official launch of Air Liquide’s Arcal™ New Generation range of welding gases at Electra Mining 2014, a new premium service offer- ing is available with the added benefit of EXELTOP™, which is a cylinder-integrated double stage regulator and flow con- trol solution. African Fusion talks to Air Liquide’s welding and cutting manager, Rolf Schluep.28
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FEATURES
4 SA’s welding industry winners Following SAIW’s 67 th Annual Dinner and Awards ceremony, African Fusion celebrates South Africa’s 2015 welding successes. 7 EN 15085: SA’s first two successful certifications SAIW has facilitated the first EN 15085 certifications in South Africa for thewelding of railway vehicles and components. Transnet Engineering’s Durban bogie fabrication facility is now certified to EN 15085 CL1 and component manufacturer, VR Laser Systems, has become the first local EN 15085 CL2-certified company. 14 The development of an industrial robotic LSND welding system This paper describes the development and practical testing of a low stress, no distortion (LSND) welding systemthat uses solidphaseCO 2 ‘snow’ tocool GMAW welds immediately behind the weld seam. 24 Pipeline welding: raising the technology bar African Fusion attends Lincoln Electric South Africa’s Pipeline seminar by global pipeline welding special- ist, James Lamond. 26 Nickel-based FCAW and LNG storage tanks Ben Altemühl of voestAlpine Böhler Welding high- lights the costs and productivity advantages of using nickel-based flux-cored wire for the welding of LNG storage tanks in 9% Ni steels. 28 Fabrication for processing plants subject to health regulation Tony Paterson describes the special welding require- ments for stainless steel piping in plant applications where bio-filmbuild up on pipe contact surfaces has to be avoided. 32 Thermal cutting: a new flexibility and precision benchmark African Fusion talks to SeanMoriarty about the state- of-the-art Deltatec combined oxy-fuel and plasma cutting system fromKoike installed at Durban-based cutting and fabrication specialist, Laser Junction. 34 Steel project specialist centralises and reposi- tions African Fusion attends Renttech’s open day and talks to Johan Bester, Jannie Bronkhorst and Gerrit van Zyl. 36 Digital radiography: an NDT growth opportunity Marco Gonzalez of GammaTec NDT Supplies summarises the trends and highlights opportunities in the industrial digital X-ray inspection systems market.REGULARS
3 Sean’s comment 9 SAIW bulletin board 12 Front cover story: Arcal New Generation with EXELTOP 38 Welding and cutting forum 44 Today’s technology: Compact TPS/i series weld- ing systems