• A Hollow Structural Section, or HSS, is a type of metal with a hollow tubular section. These sections can be circular (CHS), square (SHS) or rect angular (RHS). http://www.steelplatecut tingpart.com/products/square-or-rectangular-tube.html #4140...  more
  • 4140 STEEL PLATE
    #4140 #steel #plate #for #sale

    4140 steel palte is a kind of alloy structural steel, which has high strength, high hardenability, good toughness and small deformation during quenching.

    It has high strength, high hardenability, good...  more
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