石油、石化和天然气工业.特殊材料制造商的合格评定方案

[中文适用范围]： 本文件建立了一个程序，用于验证石油、石化和天然气工业专用材料的制造商是否具有相关金属材料等级的足够能力和经验，以及必要的设施和设备，以制造所需形状的这些材料以及根据买方指定的适用标准、材料规格和/或材料数据表具有可接受特性的尺寸。 本文件适用于买方指定的各种材料、产品形式和制造工艺的制造商。 本文件的制定特别考虑但不排除： a) 双相不锈钢； c) 镍基合金； b) 高合金奥氏体不锈钢； d) 钛及其合金。 本文件也适用于感应弯曲和应变硬化产品的工艺。 [外文原描述]： This document establishes a procedure for verifying that the manufacturer of special materials for the petroleum, petrochemical and natural gas industries has sufficient competence and experience of the relevant material grades of metal, and the necessary facilities and equipment, to manufacture these materials in the required shapes and sizes with acceptable properties according to the applicable standard, material specification and/or material data sheet specified by the purchaser. This document is applicable to manufacturers of various materials, product forms and manufacturing processes when specified by the purchaser. This document has been established considering especially, but not exclusively: a) duplex stainless steel; b) high alloyed austenitic stainless steel; c) nickel-based alloys; d) titanium and its alloys. This document is also applicable to the processes of induction bending and strain-hardened products.