ASME BPVC VIII.1-2021 压力容器建造规则 C分卷ULT 篇（中英文对照编译）.pdf

SUBSECTION C REQUIREMENTS PERTAINING TO CLASSES OF MATERIALS C 分卷与各种材料类别的有关要求 PART UCS REQUIREMENTS FOR PRESSURE VESSELS 52 CONSTRUCTED OF CARBON AND LOW ALLOY STEELS UCS 篇 对用碳钢和低合金钢所制成之压力容器的要求52 GENERAL通则 UCS-1 SCOPE 适用范围 The rules in Part UCS are applicable to pressure vessels and vessel parts that are constructed of carbon and low alloy steels and shall be used in conjunction with the general requirements in Subsection A, and with the specific requirements in Subsection B that pertain to the method of fabrication used. 应与 A 分卷中之通用性要求和 B 分卷中与所用制造方法有关之检验和测试的 具体要求配套使用才算完整的UCS 篇 各条款适用于由碳钢和低合金钢构成的压力容器和容器零部件。 MATERIALS材料 UCS-5 GENERAL 通则 (a) All carbon and low alloy steel material subject to stress due to pressure shall conform to one of the Specifications given in Section II and shall be limited to those listed in Table UCS-23 except as otherwise provided in UG-10 and UG-11. 除非 UG-10 和 UG 另有规定 11 ，否则因压力而承受应力之所有碳钢和低合金钢材料除应符合第 II 册中所给出的相应材料规范外， 还应限于表 UCS-23 中所列出的那些材料规范。 (b) In addition to the requirements of UG-4(a), backing strips which remain in place need not conform to a material specification permitted by this Division if all of the following are met: 除了 UG-4(a) 的要求外，只要满足以下所有条件，则 保留在位之背衬带不必符合本卷所许用的材料规范： (1) The specification maximum composition limits or certificate values for the backing strip material shall not exceed those of the material specification for the pressure part to which it is attached. 背衬带在相应材料规范中的所示最大化学成 分限值或材证材所示数值不应超过其所要连接之承压零部件之材料规范中相应化学成分的限值。 (2) Either of the following requirements shall be met: 应满足下列条件之一： (-a) The backing strip base metal, and its associated HAZ, and the weld metal shall be impact tested in accordance with UG-84 at the MDMT shown on the nameplate with a butt weld test spec