High strength low alloy structural steel Q390 Product Name: High-strength low-alloy structural steel Grade : Q390 Size (mm): Thickness T :10-50; width W :1800-2700; length L :6000-12700 Executive Standard : GB / T 1591-2008 Product Scope: Overall performance, good weldability and low temperature i***ct toughness , suitable for machining, fabrication and welding structural parts transportation vehicles, chemical equipment , pipe, structural engineering , construction steel , machinery and other substrates .
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