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On June 5, 2026, the Australian Anti-Dumping Commission issued Notice No. 2026/064, announcing its final determination in the anti-circumvention inquiries regarding anti-dumping measures on hollow structural sections (HSS) imported from mainland China, South Korea, Malaysia, and Taiwan, and anti-subsidy measures on HSS imported from mainland China. HCT780X+ZM Hot dip Zinc-magnesium alloy coating (ZM) steel , The Commission determined that the products in question were exported to Australia after undergoing a minor modification—specifically the addition of holes—to circumvent existing anti-dumping and anti-subsidy measures. The modified products are described as follows: specific electric resistance welded (ERW) pipes and tubes made of carbon steel or other alloy steels, falling under Australian tariff classification 7308.90.00.65. This scope covers both circular and non-circular hollow sections, including circular or elliptical sections with non-plain ends (such as threaded, flared, or beveled ends) and sections featuring holes (created by drilling, punching, perforating, cutting, etc.) at the ends or along the entire length of the profile.
The measures involve the following exporters: Chinese exporters Dalian Steelforce Hi-Tech Co., Tianjin Friend Steel Pipe Co., Ltd, Tianjin Ruitong Iron and Steel Co., Ltd, and Roswell S A R L Limited, as well as the Malaysian exporter Alpine Pipe Manufacturing SDN BHD. The measures take effect on September 4, 2025.
On September 19, 2011, Australia initiated anti-dumping and countervailing investigations into welded pipe imported from mainland China, while simultaneously launching anti-dumping investigations into welded pipe imported from South Korea, Malaysia, and the region of Taiwan. HCT780X+ZM Hot dip Zinc-magnesium alloy coating (ZM) steel , On July 3, 2012, Australia issued affirmative final determinations in the anti-dumping and countervailing investigations concerning welded pipe from mainland China, and affirmative final determinations in the anti-dumping investigations concerning welded pipe from South Korea, Malaysia, and the region of Taiwan.
On May 11, 2015, Australia initiated an anti-circumvention investigation regarding welded pipes imported from mainland China, South Korea, and Malaysia. On March 18, 2016, Australia issued an affirmative final determination in the case, extending the scope of duties to include alloy welded pipes (classified under Australian Customs codes 7306.61.00.90 and 7306.50.00.45) exported by the following companies: Dalian Strait High-Tech Co., Ltd., Tianjin Furinde Steel Pipe Co., Ltd., Tianjin Ruitong Steel Co., Ltd., and Roswell SA R Limited (all from mainland China), as well as Alpine Pipe Manufacturing Sdn Bhd (from Malaysia).
On October 31, 2016, the Australian Anti-Dumping Commission issued Notice No. 2016/113, initiating the first anti-dumping sunset review investigation into welded pipe imports from mainland China, South Korea, Malaysia, and Taiwan, as well as the first countervailing duty sunset review investigation into the subject merchandise from mainland China. On June 21, 2017, the Commission issued an affirmative final determination in the case, extending the validity of the anti-dumping and countervailing measures against the aforementioned countries and regions until July 3, 2022.
On September 22, 2021, the Australian Anti-Dumping Commission issued Notice No. 2021/122, initiating—in response to applications filed by Australian companies Austube Mills Pty Ltd. and Orrcon Manufacturing Pty Ltd.—a second anti-dumping and countervailing duty sunset review concerning welded pipe imported from mainland China, and a second anti-dumping duty sunset review concerning welded pipe imported from South Korea, Malaysia, and Taiwan. On July 1, 2022, the Commission issued Notice No. 2022/049, deciding to continue imposing anti-dumping duties on welded pipe from mainland China, South Korea, Malaysia, and Taiwan, and countervailing duties on the subject merchandise from mainland China (with the exception of Huludao Steel Pipe Industry Co., Ltd. and Dalian Steerite High-Tech Co., Ltd.).
On September 4, 2025, the Australian Anti-Dumping Commission issued Notice No. 2025/085, announcing the initiation of an anti-circumvention investigation—following an application by the domestic company Orrcon Manufacturing Pty Ltd—regarding welded pipe imported from mainland China, South Korea, Malaysia, and Taiwan (anti-dumping) and from mainland China (anti-subsidy). HCT780X+ZM Hot dip Zinc-magnesium alloy coating (ZM) steel , The investigation aims to determine whether the products in question are being exported to Australia with minor modifications to circumvent existing anti-dumping and anti-subsidy measures. The Australian Customs tariff codes for the subject products are 7308.90.00.52, 7308.90.00.56, and 7308.90.00.65. The investigation period is from July 1, 2012, to June 30, 2025.
