E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
Jul. 24, 2026
Carbon steel elbows are first classified by their radius of curvature into long-radius and short-radius elbows. A long-radius elbow has a radius of curvature equal to 1.5 times the pipe's outer diameter (R = 1.5D), while a short-radius elbow has a radius of curvature equal to the pipe's outer diameter (R = 1.0D), where D is the elbow diameter and R is the radius of curvature. Based on pressure ratings, there are approximately seventeen classifications—aligning with US pipe standards—including Sch5s, Sch10s, Sch10, Sch20, Sch30, Sch40s, STD, Sch40, Sch60, Sch80s, XS, Sch80, Sch100, Sch120, Sch140, Sch160, and XXS; among these, STD and XS are the most commonly used. Categorized by angle, there are 45°, 90°, and 180° elbows.
Materials used include grades such as 10#, 20#, A3, Q235A, 20g, 20G, 16Mn, ASTM A234, ASTM A105, and ASTM A403. Elbows manufactured from these materials are classified as carbon steel elbows.
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Company News
Nov. 03, 2026
From November 2 to November 5, 2026, ADIPEC 2026—a highly anticipated global energy industry exhibition—was held in the United Arab Emirates. Cangzhou Authentic Fitting Manufacturing Co., Ltd. participated in this major international event, joining professionals from the global oil, gas, energy, and industrial piping sectors to explore industry trends and identify new opportunities for collaboration.
Industry News
Nov. 02, 2026
Low-carbon steel seamless pipe
Low-carbon steel seamless pipes are seamless tubes manufactured from carbon steel with a carbon content of ≤0.25% through processes such as piercing and rolling. Characterized by moderate strength, excellent plasticity and toughness, and ease of processing, they are among the most widely used basic tubular products in industrial applications. Due to their superior workability, they are commonly referred to in the industry simply as "low-carbon steel."
Industry News
Oct. 30, 2026
How to select carbon steel elbows with the appropriate wall thickness for industrial piping systems?
In industrial piping systems, carbon steel elbows are critical connecting components primarily used to change the direction of fluid flow. They are widely employed across sectors such as oil and gas, chemical processing, power generation, shipbuilding, and water treatment.
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Our products comply with international standards such as ASTM, ANSI, JIS, DIN, and GB. We also hold various certifications to assure quality and reliability, including ISO 9001.
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If you need, we will offer you samples for free, but new customers are expected to pay express charge.
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We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru, USA, Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.)
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Donghe Industrial Zone, Mengcun County, Cangzhou City, Hebei Province
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