JB-T7215-1994 锻焊结构热壁加氢反应器技术条件

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1、J8中华人民共和国机械行业标准JB/T7215一94锻焊结构热壁加氢反应器技术条件1994-07-18发布1995-07-01实施中华人民共和国机械工业部发布目次1主题内容与适用范围···，········，，·········。·，··········，······，······························‘·········⋯⋯(1)2引用标准·，········‘......................................................

2、.......·······，····“··········⋯⋯(1)3型号·.................................................................................................................(1)4有关术语的代号······················‘································································

3、·····⋯⋯(2)5技术要求，····································，，，············，.·‘。······································，，····⋯⋯(2)6制造期间的检验规则··-，············‘·····。。。。·，··。···············，，······‘·························。。···，⋯(14)7标志、包装、运输···················

4、··············，································....................8产品出厂文件·.....................................................................................................(17)附录A焊接材料技术条件(补充件)······················································

5、···，·········，⋯⋯(18)附录B加氢反应器缺陷的返修程序(补充件)········⋯⋯”····················”···················⋯⋯(22)附录C加氢反应器(2%Cr-1Mo)焊接工艺评定项目(补充件)....................................·一(23)附录D焊缝射线检验(补充件)·，··”·······························“·····························

6、······⋯⋯(25)中华人民共和国机械行业标准锻焊结构热壁加氢反应器JB/T7215一94技术条件1主题内容与适用范围本标准规定了石油炼制用热壁加氢反应器(简称反应器)的制造技术要求、试验方法、检验规则及标志、包装、运输等内容。本标准适用于以2月Cr-1Mo钢为主体材料、锻焊结构的热壁加氢反应器。高于本标准及特殊的要求，应在图样或有关文件中规定。引用标准GB150钢制压力容器GB3077合金结构钢技术条件GB3323钢熔化焊对接接头射线照相和质量分级GB6394金属平均晶粒度测定方法GB10

7、561钢中非金属夹杂物显微评定方法JB755压力容器锻件技术条件JB2536压力容器油漆、包装、运输JB3963压力容器锻件超声波探伤JB3965钢制压力容器磁粉探伤JB4708钢制压力容器焊接工艺评定3型号采用反应器的内径、最高工作压力等主要参数来命名反应器产品的型号。:，;反应器产品型号由以下五部分组成，即:容积，m3，符号M，数字从十位数取起最高工作温度，℃，符号T，数字从十位数取起最高工作压力，.MPa，取整数部分内直径(不计堆焊层)，mm壳体结构:DY-锻焊，有耐腐蚀堆焊层型号标记示例

8、:堆焊不锈钢耐腐蚀层，锻焊结构，内直径3413mm，最高工作压力为”.65MPa，最高工作温度433'C，容积124m，的热壁加氢反应器.其型号表示为DY3413一19T43M12,机械工业部1994-07-18批准1995-07-01实施1JBiT7215一944有关术语的代号PWHT最终焊后热处理RT射线照相检验ISR中间消除应力热处理CT化学成分分析DT尺寸检验VT外观检验MT磁粉探伤HB布氏硬度PT(液体)渗透探伤HV维氏硬度UT超声波探伤HS肖氏硬度技术要求5.1壳体材料5.1.1锻件