Factory supply 1/4 St37-2 steel material 4x8 size - BBN Group
St37-2 steel material,The weight of seamless steel pipe is only 1 / 5 of that of square steel. Seamless steel pipe corrosion resistance acid, alkali, salt and atmospheric environment corrosion, high temperature resistance, good impact and fatigue resistance, do not need regular maintenance. The effective service life of product St37-2 steel st37 2 steel sheet good corrosion resistance width
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