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　　　GBT3094-Q345A SQUARE PIPE is a steel material. It is a low-alloy steel, widely used in bridges, vehicles, ships, construction, pressure vessels.
　　　Reference Standards：GB/T1591-2008  "High-strength low-alloy structural steels"
　　　GBT3094-Q345A SQUARE PIPE  chemical composition:
C                   Mn              Si                P                 S
≤0.20           ≤1.70           ≤0.50        ≤0.035           ≤0.035

GBT3094-Q345A SQUARE PIPE seamless mechanical properties:
Tensile strength :490-675Mpa yield strength: ≥ 345Mpa Elongation: ≥ 22%
GBT3094-Q345A SQUARE PIPE - good mechanical properties, low temperature performance can be, good ductility and weldability, is used as the low-pressure containers, tanks, vehicles, cranes, mining machinery, power plants, bridges and other structures under dynamic load, mechanical parts, building structure
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