welded gb t q345b h type steel

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welded gb t q345b h type steel

  • Q345 steel specification and equivalent standard. Q235 carbon structural steel is made for metal construction that doesn’t have high demand for steel strength, tie rod, connecting rod, hook, coupler, bolt and nut, sleeve, shaft and welding parts. Q345 is low alloy structural steel with good mechanical properties, low temperature performance,...
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