Q355 is a high-strength low-alloy (HSLA) structural steel that contains phosphorus, sulfur, and microalloys, such as niobium, vanadium, titanium, and others. It is similar to Q345 in terms of chemical composition but has greater strength, toughness, and weldability.
Q355 steel has a tensile strength of 490-630 MPa, yield strength of 355 MPa, and elongation of 20%, making it suitable for use in various structural applications such as bridges, buildings, and machinery.
Some of the key features and properties of Q355 steel include:
Superior strength: Q355 steel has higher tensile and yield strength than Q345 steel, making it ideal for use in high-stress structural applications.
Good weldability: Q355 steel has good weldability, which makes it easy to fabricate and construct.
Excellent toughness: Q355 steel exhibits excellent toughness, allowing it to withstand impact loads and resist deformation.
Corrosion resistance: Q355 steel has good corrosion resistance, making it suitable for use in outdoor and marine environments.
Affordable: Despite its superior properties, Q355 steel remains an affordable option for structural steel applications.
In summary, Q355 is a high-strength low-alloy structural steel with superior strength, good weldability, excellent toughness, and corrosion resistance. Its combination of properties makes it ideal for use in various structural applications where strength and durability are critical.
Q355 Equivalent Materials
Q355 can be replaced with equivalent materials, including A572 Grade 50 USA ASTM, Q355 China GB/T, and SPFC 590 Vietnam/Japanese JIS.
Characteristics Of Q355
Q355 steel is a structural steel with a yield strength of 345 MPa and tensile strength of 450 MPa. It has terrific processing performance and compressive strength, which can be used to manufacture high-pressure gas pressure vessels containing less than 500 liters. Q355 also has a protective layer of rust resistance.
In addition to performance, Q355 has particular elements that prevent atmospheric corrosion. Since it is mild steel, it has a lower carbon content. If more carbon were added to the alloy, it would be reclassified as a cast iron.
Hot Tags: q355 steel plate, China q355 steel plate manufacturers, suppliers, factory, ASTM A53 GI Galvanized Steel Pipe, Sch 40 80 Seamless Galvanized Steel Pipe, EN10210 Hot Dip Galvanized Oil Drilling Pipe, ASTM A53 Gr A Hot Rolled Galvanized Steel Pipe, Q345B Galvanized Steel Pipe
