Azmoun Foulad Structural Engineering Company (STS) - the founder of butt-to-butt rebar forging welding in Iran - established in 2015\r\n\r\nSazeh Azmoun Foulad Company (STS) as the first and only specialized laboratory for butt-to-butt rebar forging welding ](https://sts-weld.com/pages/166/%25D8%25A2%25D8%25B2%25D9%2585%25D8%25A7%25DB%258C%25D8%25B4%25DA%25AF %25D8%25A7%25D9%2587-%25DA%25A9%25D8%25B4%25D8%25B4-%25D9%2588-%25D8%25AE%25D9%2585%25D8%25B4-%25D9%2588 -%25D8%25A7%25D9%2584%25D8%25AA%25D8%25B1%25D8%25A7%25D8%25B3%25D9%2588%25D9%2586%25DB%258C%25DA%25A9-% In Iran, with more than 18 years of experience and having fully advanced Japanese and European equipment, is ready to provide all laboratory and forging welding inspection services for civil and construction projects throughout the country.\r\n\r\n\r\nOur specialized laboratory services:\r\n\r\n1️⃣ Ultrasonic test (UT)\r\nWith two-dimensional and three-dimensional device - performed at the project site after welding and before closing the silencers.\r\nThe ability to identify internal defects, cracks and holes without destroying the rebar.\r\n\r\n2️⃣ Tensile and bending test\r\nWith a Japanese 90 degree bending machine for rebar - evaluation of strength, flexibility and welding quality in rebar sizes 16 to 32.\r\nSampling and sending by the employer (3 samples of each size should be 60 cm long).\r\n\r\n3️⃣ Eye test of forging welding\r\nby an officially certified inspector from the Association of Rebar Forging Welders; Including checking the dimensions, alignment, cracks and the appearance quality of the weld.\r\n\r\n4️⃣ Other specialized tests\r\nFatigue test - impact test - hardness test - radiography test - metallography test.\r\n\r\n\r\nOther special services:\r\n\r\nTesting and verifying the qualification of welding forging operators\r\nIssuance and renewal of rebar forging operator's certificate\r\nIssuance of calibration certification of rebar forging welding machines\r\nHolding theoretical and practical specialized training courses for forging welding (face-to-face and virtual online)\r\n\r\n\r\nProviding the official report and file of test results in 24 to 36 hours\r\nSettlement before the test and the possibility of booking an appointment up to a day before\r\n\r\n\r\n\r\nWhy choose STS Forging Welding Laboratory?\r\n\r\n✅ The first specialized welding forging laboratory in Iran\r\n✅ Use of professional and specialized equipment (bending test) and (ultrasonic test)\r\n✅ Ability to test welded rebars size 12 to 40 mm\r\nProviding an official report approved by supervisors and regulatory bodies and the engineering system\r\nGuaranteeing the accuracy and validity of the results based on international standards\r\n\r\n\r\n✅ Standards:\r\nISO 9001:2008\r\nISO 3834 (standard for paste welds)\r\nIranian National Standard 22442 and 22486\r\nJapanese standards JIS Z 3120 and JIS Z 3881 \r\n\r\n\r\nFor more information and to book a test appointment, call:\r\n\r\nwww.sts-weld.com\r\n021-22024660 0912-4443599
Tehran
14 Nov 2025