SGS检测使馆认证的步骤:
第一步SGS认证使馆认证的步骤先做公证书或其他证明文书。
第二步：办理外交部或其委托的地方外办的领事认证。
第三步：办理外国驻华泰国使领馆的领事认证。
SGS紧固件测试服务
关键词：紧固件 螺栓 螺母 垫片 扭矩 氢脆 螺钉 螺柱 铆钉
紧固两个或两个以上零件（或构件）紧固连接成为一件整体时所采用的一类机械零件的总称。
SGS Fastener testing Services
Key words: fastener bolt nut gasket torque hydrogen brittle screw stud rivet
Fastening Two or more parts (or members) a general term for a class of mechanical parts used when fastening together into a whole.
紧固件是应用最广泛的机械基础件。紧固件的开发设计最重要的环节是质量管控，从进料到成品出货有几大关口，这几大关口有不同的检验方式。
Fasteners are the most widely used mechanical base parts. The most important link in the development and design of fasteners is quality control. There are several gateways from incoming material to finished product shipment, and these gateways have different inspection methods.
首先进料有相关是外观、尺寸、元素、性能、有害物质检测等等；过程方面更多的是外观、尺寸、敲击实验、锻流线；热处理更多的是外观、硬度、扭矩、拉力、金相等等；表面处理更多的是一些氢脆测试、镀层、盐雾等，包括出货有一个有害物质检测。
First of all, the feed is related to the appearance, size, elements, performance, harmful substances detection and so on; The process is more about the appearance, size, knock test, forging streamline; Heat treatment is more about appearance, hardness, torque, tension, metallography and so on; Surface treatment is more of a number of hydrogen embrittlement tests, coating, salt spray, etc., including shipment has a hazardous substance detection.
