GB/T 8163 Q345B seamless steel pipe is a high strength low alloy structural steel pipe for fluid transportation. It is a general seamless steel pipe for conveying water, oil, gas and other fluids.

GB/T 8163 standard specifies the order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of seamless steel pipes for fluid transportation. GB/T 8163 standard is applicable to seamless steel pipes for general fluid transportation.

GB/T 8163 standard specifies the order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of seamless steel pipes for fluid transportation. GB/T 8163 standard is applicable to seamless steel pipes for general fluid transportation.

GB/T 8163: 10#, 20#, Q345A, Q345B, Q345C, Q345D, Q345E

GBT 8163 Q345B seamless steel pipe composition(%)

GBT 8163 Q345B seamless pipe mechanical properties

GBT 8163 Q345B seamless pipe size:Out diameter:8-716mm Wall thickness:1-50mm

Length: 3,000mm to 12,500mm

Surface: bare pipe, or to be painted with black or other color painting, or coated with anti-corrision paint

End types: plain end, or bevelled end

Outside Diameter & Tolerance

Wall thickness & Tolerance of cold drawn Q345B pipe

The company has advanced technology and equipment and a strong technical force,and its seamless pipes production and inspection equipment are most up-to-date in domestic steel pipe industry. Our GB/T 8163 Q345B seamless steel pipes are supplied in cold drawn and hot rolled steel pipe. These pipes are mainly used for mechanical properties and general engineering purposes.