不锈钢钝化标准.docVIP

不锈钢部件的化学钝化处理的标准技术规范 1．范围 1.1 This specification covers several different types of chemical passivation treatments for stainless steel parts. It includes recommendations and precautions for descaling, cleaning, and passivation of stainless steel parts. It includes several alternative tests, with acceptance criteria, for confirmation of effectiveness of such treatments for stainless steel parts. 1.1本技术规范适用于几种不同类型不锈钢部件的化学钝化处理。本技术规范包括：不锈钢部件除垢、清洁、钝化的建议和防护；本技术规范包括了几种可供选择的有验收标准的不锈钢部件处理效果确认的检测。 1.2 Practices for the mechanical and chemical treatments of stainless steel surfaces are discussed more thoroughly in Practice A 380. 1.2 不锈钢表面物理和化学处理的作业在作业A380里有更详尽的论述。 1.3 Several alternative chemical treatments are defined for passivation of stainless steel parts. Appendix X1 gives some nonmandatory information and provides some general guidelines regarding the selection of passivation treatment appropriate to particular grades of stainless steel. It makes no recommendations regarding the suitability of any grade, treatment, or acceptance criteria for any particular application or class of applications. 1.3 几种可供选择的不锈钢部件化学钝化处理在此有详细规定。附录X1提供了一些适用于特殊等级不锈钢钝化处理选择的非强制性的技术资料并提供了总的指导方针。关于特殊的应用或应用种类的等级、处理和验收标准的适宜性，它没有作出建议。 1.4 The tests in this specification are intended to confirm the effectiveness of passivation, particularly with regard to the removal of free iron and other exogenous matter. These tests include the following practices: 1.4 本技术规范之中的检测意在证实钝化的效果，尤其是关于游离铁和其它外生物质（杂质）的去除问题。这些检测包括下列的作业： 1.4.1 Practice A—Water Immersion Test, 1.4.2 Practice B—High Humidity Test, 1.4.3 Practice C—Salt Spray Test, 1.4.4 Practice D—Copper Sulfate Test, 1.4.5 Practice E—Potassium Ferricyanide–Nitric Acid Test, and 1.4.6 Practice F—Free Iron Test. 1.4.1 作业A—水浸检测 1.4.2 作业B—高湿检测 1.4.3 作业C—盐雾检测 1.4.4 作业D—硫酸铜检测 1.4.5 作业E—铁氰化钾--硝酸检测 1.4.6 作业F—游离铁检测 1.5 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only. 1.5　以用磅/寸单位表示的数值作为标准