BS 8701:2016给出了一种测定抗辐射敏感性的方法 酸性环境中钢管的开裂。本英国标准采用管状试样，包括全周向试样 戒指本试验方法适用于任何有或无接缝（纵向或纵向）的管道 螺旋焊缝）或环焊缝（带或不带填料）。注1:试样通常为管道，但也可以由法兰颈或截面组成 指弯管、其他管状部件或上述部件的组合。本英国标准提供了确定试样尺寸的指南 确保其保留了制造和焊接产生的残余应力。注2:试样尺寸见第7条。该方法利用椭圆化来模拟环向应力，使用力学方法 在管状模板上加载。将试样单面暴露在空气中 酸性测试环境。注3:该试验还允许测量氢渗透速率，其可以 提供有用的信息，例如强调电流耦合的影响 材料之间有明显的相容性。交叉引用:BS EN 12668BS EN ISO 2400BS EN ISO 7963BS EN ISO 8044BS EN ISO 9712BS EN ISO 1166BS EN ISO 16810BS EN ISO 17640ASTM D1193NACE TM0177BS EN ISO 9001BS EN ISO 9002BS EN ISO 9934BS EN ISO 16811BS EN ISO 15156- 3ASTM A370OTI 95 635有害健康物质控制法规1988（COSHH）购买本文件时可获得的所有现行修订均包含在购买本文件中。

BS 8701:2016 gives a method for determining the susceptibility to cracking of steel pipes in sour service.This British Standard utilizes a tubular specimen comprising a full circumferential ring. The test method applies to any pipe with or without seam (longitudinal or spiral) or girth weld (with or without filler).NOTE 1 The specimen is usually a pipe but can also consist of flange neck or section of a bend, or other tubular component or a combination of the above.This British Standard provides guidance on determination of specimen size to ensure it retains residual stresses from manufacture and welding.NOTE 2 See Clause 7 for specimen sizes.The method utilizes ovalization to simulate hoop stress, using mechanical loading on a tubular form. The specimen is subjected to single sided exposure to the sour test environment.NOTE 3 The test also allows measurement of hydrogen permeation rates which can provide useful information, such as highlighting the effects of galvanic coupling between materials of apparent compatibility.Cross References:BS EN 12668BS EN ISO 2400BS EN ISO 7963BS EN ISO 8044BS EN ISO 9712BS EN ISO 11666BS EN ISO 16810BS EN ISO 17640ASTM D1193NACE TM0177BS EN ISO 9001BS EN ISO 9002BS EN ISO 9934BS EN ISO 16811BS EN ISO 15156-3ASTM A370OTI 95 635Control of Substances Hazardous to Health Regulations1988 (COSHH)All current amendments available at time of purchase are included with the purchase of this document.