NACE RP 0472-2005.pdf,Standard Recommended Practice Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments This NACE International standard represents a consensus of those
4 _ RP0472-2005 NACE International 1 _ Section 1: General 1.1 This standard establishes guidelines to prevent most forms of environmental cracking of weldments in carbon steel refinery equipment and piping. Weldments are defined to include the weld deposit, base metal HAZs, and adjacent b 37...
RP0472-2005 ii NACE International In 1991, NACE Task Group T-8-7 agreed that this standard should be more comprehensive, covering the entire weldment and various in-service cracking mechanisms that can occur in corrosive petroleum refining environments. ...
内容提示: I T H E CORROSION SOCIETY NACE Standard RP0472-2000 Item No. 21006 Standard Recommended Practice Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments This NACE International standard represents a consensus of ...
NACE Standard RP0472-2005 Item No. 21006 Standard Recommended Practice Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments This NACE International standard represents a consensus of those individual members who have reviewed...
21106 479 RP0187 Design Considerations for Corrosion Control of Reinforcing Steel in Concrete 2005 NACE 480 MR0103 Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments 2005 NACE 481 RP0472 Methods and Controls to Prevent In-Service Environmental Cracking of Carbon ...
NACEMR
21006RP0472--2000在腐蚀性石油炼制环境中防止碳钢焊 件在运行中发生环境应力开裂的方法与控制 21007RP0572--2001外加电流深地床的设计,安装,操作与 维护 21009RP0273—2001加有缓蚀剂的油田酸类的管理与恰当 使用 21010RP0274—98安装前管道涂层的高压电检查 21013RP0375—99地下管道系统的石蜡涂层系统 21014RP047...
7、53 NACE RP 0395 涂环氧的钢筋增强的拦坝54 NACE RP 0472 在腐蚀性炼油介质中防止碳钢焊缝环境破裂的方法55 NACE RP 0475 含油介质中注入水处理剂后耐各相腐蚀的材料的选择56 NACE RP 0487 石油基中间层涂料的选择和评价要点57 NACE RP 0490 缺陷尺寸为 250 760 微米( 10 30 密耳)的管道外部熔融粘接环...
概述NACE标准RP0472的P-No. 1碳钢部分作了 。 敏感 渗透 渗透 浓 1.3.5 SSC 性也与钢中氢 流量相关。氢 流量主要与pH和水中H2S 度两个环境参数 典近 渗透 再高 再渗 pH 关联。 型的情况是,在 中性 溶液中,钢中的氢 流量最低。pH值 或 低时,其 透 均增 引高 高浓 离引 流量 加。pH值低时,...