Q460,seamless,steel,pipe,Intro business, insurance Q460 seamless steel pipe
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1, Introduction of Q460 seamless steel pipe Q460 is a high strength low alloy steel. Q represents the strength of steel, 460 represents 460 MPa. Q460 will occur plastic deformation when the force strength of steel reaches 460 MPa , which is when the external vent out, the steel can only maintain the shape of the force and can not reply to the prototype, this strength is generally greater than the normal steel. So it is often used in high-strength construction or machinery.2, Q460 seamless steel pipe chemical composition Gradelevel Q460 seamless steel pipe chemical composition (mass fraction) (%)C≤MnSi≤p≤s≤vNbTiAl≥Cr≤Ni≤Q460C0.201.0-1.70.550.0350.0350.02-0.20.015-0.060.02-0.20.0150.700.70D0.0300.030E0.0250.0253, the Q460 seamless steel pipe mechanical propertiesYield strength: ≤16mm: ≥460; 16-40mm: ≥400; 40-63mm: ≥380; 63-80mm: ≥360; 80-100mm: ≥360; 100-150mm: ≥340;Tensile strength: 500-680.Elongation: ≥18.Impact test: -20 : ≥34.
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