Liaocheng Fengye Steel Tube Factory offers Q345B steel pipes and 16Mn steel pipes. Q345B is a commonly used steel material known for its high strength and good weldability. The "Q" in Q345B stands for the yield strength, while the number "345" refers to the minimum yield strength of the material in megapascals (MPa). Q345B is essentially the modern name for the older 16Mn steel, which is a type of seamless steel pipe widely used in industrial applications.
The term "16Mn" was once used to describe this steel grade, where "16" indicates that the carbon content is approximately 0.16%, and "Mn" refers to manganese, which is present in higher quantities—typically between 1.20% and 1.60%. These elements are specified separately due to their significant impact on the mechanical properties of the steel.
16Mn belongs to the family of low-alloy steels, and it is one of the most commonly used grades in this category. It is particularly popular in structural and mechanical applications because of its excellent balance of strength, toughness, and formability.
For special applications, the steel can undergo additional treatments such as heat treatment or Z-direction property enhancement. Heat treatment methods include controlled rolling and normalizing, which help improve the material’s microstructure and mechanical performance. The Z-direction properties, which refer to the steel's resistance to lamellar tearing, are available in different levels: Z15, Z25, and Z35.
Key features of Q345B steel pipes include excellent overall performance, good low-temperature toughness, superior formability, and excellent welding and cutting characteristics. This makes them ideal for use in various industries such as mining, transportation, and chemical machinery.
To calculate the weight of a steel pipe per meter, you can use the following formula: [(Outer Diameter - Wall Thickness) × Wall Thickness] × 0.02466 = Weight in kg/meter.
The information about Q345B steel pipes is provided by Shandong Liaocheng Fengye Steel Tube Factory, a trusted supplier of high-quality steel products.
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