st 52 3 steel chemical composition chemical composition Q345 SM400A SS49O SPHC SPHD S355JR checkeeckered plate
A St 52 steel plate. DIN17135 A ST 52 steel plate is characterized by a minimum yield strength of 280-355 MPa and by good weldability, so A ST 52 steel is mainly used for manufacturing boilers, pressure vessels and pipes transporting hot liquids. The followings are DIN17135 A ST 52 steel plate's Chemical composition and mechanical properties.
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