{"product_id":"l51880-influence-of-higher-design-factor-on-structural-integrity-of-x70-and-x80-pipelines-1","title":"L51880 Influence of Higher Design Factor on Structural Integrity of X70 and X80 Pipelines","description":"\u003cp\u003eMost pipelines in Class 1 areas are currently designed to a utilization factor of 0.72 using steel grades of up to X70. Using higher strength steels and\/or a higher design factor can reduce the wall thickness and construction cost of such pipelines. High strength steels tend to have high yield-to-tensile ratios and lower overall post-yield tangent stiffness. This raises concerns about the potential for excessive plastic deformations under high hydrostatic test pressures. Combined with a high design factor, high steel grades will also lead to thinner pipe walls and reduced tolerance to thickness-dependent failure mechanisms such as corrosion, cracks, and dent-gouges. This effort evaluates the ability of a newer pipelines to safely operate at higher yield stresses.\u003c\/p\u003e","brand":"PRCI Store","offers":[{"title":"Default Title","offer_id":44367615295566,"sku":"15681","price":995.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/prci-store.myshopify.com\/products\/l51880-influence-of-higher-design-factor-on-structural-integrity-of-x70-and-x80-pipelines-1","provider":"PRCI Store","version":"1.0","type":"link"}