Fasteners for steel pipe flange joints—Part 2:Class designated
全国管路附件标准化技术委员会(SAC/TC 237)
GB/T 9125的本部分规定了Class系列钢制管法兰连接用紧固件的结构型式、尺寸和公差、材料、制造和热处理、检验和验收、产品质量证明书、标记和标志、防护和包装的要求。
本部分适用于GB/T 9124.2和GB/T 13402中规定的钢制管法兰连接用紧固件(包括六角头螺栓、全螺纹螺柱和螺母)。
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