Q275/S275JR Carbon Steel Bar
Q275/S275JR Carbon Steel Bar has excellent weldability and produces a uniform and harder case and it is considered as the best steel for carburized parts. AISI 1018 mild/low carbon steel offers a good balance of toughness, strength and ductility.
Shandong HengdingSheng Steel Co., Ltd. is a professional carbon steel bar manufacturer with ISO CE certificate and a large factory with a productivity of 500,000 tons per month. We supply from width 10-300mm, including hot rolled carbon steel bar and cold rolled carbon steel bar. Custom sizes available. We have large stocks for fast delivery, and provide free samples and customized services. The main markets are distributed in Europe, North America, South America, Africa, Southeast Asia and Oceania. The company has established stable cooperative relations with customers in more than 100 countries and regions.
We supply high-quality carbon steel bars in various specifications including round, square, hexagonal and flat shapes. Manufactured from premium low, medium and high carbon steel grades (Q235, 1045, 4140, etc.), our products feature excellent machinability and weldability, making them ideal for construction, machinery manufacturing, automotive industry and other applications.
Our bars are produced through precision hot-rolling and cold-drawing processes, utilizing automated temperature control systems and online dimensional inspection to maintain tight tolerances within ±0.1mm. Rigorous quality testing procedures are implemented throughout production, including chemical composition analysis (C, Mn, Si content), mechanical property testing (tensile strength 400-850MPa), surface quality inspection, and dimensional accuracy verification. All products comply with international standards such as ASTM A29 and EN 10025, and are supplied with complete quality certification documents.
In order to ensure product quality, we will arrange professional personnel to check product quality, packaging, weight, hardness, etc., according to customer requirements of product specifications, looking for high-quality and cheap cooperative factories in China, to provide customers with one-stop procurement services and quality assurance.
Excellent packaging: waterproof paper and plastic film + iron cover + at least three strapping straps + strapping straps fixed on iron or wood pallets can effectively protect products from corrosion and various climate changes during transportation. Generally speaking, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have worked with many experienced shipping companies for a long time to find the most suitable mode of transportation for you.