tt真人|百家乐赌博

                             

                            WF Beams

                            Sizes range from 4” x 4” x 13# / foot to 40” x 16” x 431# / foot.


                            Grades:

                            ASTM A 992

                            Covers rolled steel structural shapes for use in building, framing or bridges and for general structural purposes.

                            Mechanical Properties:

                            • Tensile: 65 KSI minimum
                            • Yield: 50 – 65 KSI
                            • Elongation: 18% in 8”
                            • 21% in 2”

                             

                            ASTM A 572 GR. 50

                            Covers high-strength, low-alloy structural steel shapes that are used in structures.

                            Mechanical Properties:

                            • Tensile: 65 KSI minimum
                            • Yield: 50 KSI minimum
                            • Elongation: 18% in 8”
                            • 21% in 2

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