The rectangular tubes manufactured by Boyçelik to meet different needs are presented to industrialists service. Rectangular tubes are manufactured to international standards on the latest technology machinery to various customer specifications on quality, from cold rolled strips as suitable to further coating applications. Internal diameter scarfed products manufactured in special sections for use in various industries are put through the Eddy Current test method before being presented to customers. The rectangular tubes presented to Boyçelik customers are manufactured in conformity to TS EN 10305-3 and TS EN 10219 production standards. The rectangular tubes manufactured to TS EN 10219 standards have CE mark and rectangular tubes have high resistance against corrosion. The advantage of having a wide stock option allows Boyçelik to meet customer demands on standard products instantly, while being able to engage custom orders and deliver on time.