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Full Description

Revised in 2005. Establishes guidelines to prevent most forms of environmental cracking of weldments in carbon steel refinery equipment and piping. Welding processes covered by this standard include shielded metal arc welding (SMAW); gas metal arc welding (GMAW), including flux-core arc welding (FCAW); gas tungsten arc welding (GTAW); and submerged arc welding (SAW). Almost all types of weld configurations are included. The standard also addresses corrosive environments, hardness, and total stress in relation to in-service cracking of carbon steel welds. Keywords: carbon steels, cracking, hardness, hydrogen embrittlement, refinery equipment, welds.
 

Document History

  1. NACE SP0472-2020


    Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments

    • Most Recent
  2. NACE SP0472-2015


    Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments

    • Historical Version
  3. NACE SP0472-2010


    Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments

    • Historical Version
  4. NACE SP0472-2008


    Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments

    • Historical Version
  5. NACE RP0472-2005

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    Standard Recommended Practice - Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments

    • Historical Version
  6. NACE RP0472-2000


    Standard Recommended Practice - Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments

    • Historical Version