TPT July 2012

Contents July /August 2012 Vol 25 No 4

2 Editorial Index 6 Industry News 32 Technology Update

82 Global Marketplace 109 中文综合 120 Advertisers Index

Features this issue: 88 Welding – latest developments

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102 Tube China 2012

Once every two years the All China-International Tube and Pipe Industry Trade Fair (Tube China) is jointly organised by Metallurgical Council of China Council for the Promotion of International Trade and Messe Düsseldorf (Shanghai) Co Ltd

104 Tube scarfing systems and tools

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116 Weld setup, variable frequency and heat affected zones in high-frequency tube and pipe welding By Bjørnar Grande, Olav Wærstad and Peter Runeborg (EFD Induction)