GB/T 24522-2020.Metallic materials-Method of test for the determination of resistance to stable crack extension using specimens of low constraint.1范围GB/T 24522规定了含裂纹的...
GB/T 244-2020.Metallic materials-Tube- Bend test method.1范围GB/T 244规定了金属管弯曲试验方法的试验原理、试验设备、试样、试验程序和试验报告。GB...
GB/T 39081-2020.Test method of cross tension test for resistance spot and embossed projection welds.1范围GB/T 39081规定了金属材料电阻点焊及凸焊搭接接头十字拉伸...
GB/T 5097-2020.Non-destructive testing-Penetrant testing and magnetic particle testing-Viewing conditions.1范围GB/T 5097规定了磁粉检测和渗透检测观察条件的控制要求...
GB/T 38964-2020.Isothermal forging for titanium-alloy-Technological specification.1范围GB/T 38964规定了钛合金等温锻件(以下简称“锻件")的工艺规范,包括总则、...
GB/T 38958-2020.Wrought aluminum alloy precision forging-Technological specification.1范围GB/T 38958规定了变形铝合金精密锻件(以下简称“锻件”)的工艺规范，包...
GB/T 26790.4-2020.Industrial wireless networks WIA specification-Part 4: WIA-FA protocol conformance test specification.1范围GB/T 26790的本部分给出了WIA-FA一致性测试系统...
GB/T 39153-2020.Metastable decomposition strengthened Cu-Ni-Sn alloy rod.1范围GB/T 39153规定了亚稳分解强化铜-镍-锡合金棒材的分类和标记、技术要求、试验方...
GB 38995-2020.Infant feeding bottles and teats.1范围GB 38995规定了婴幼儿用奶瓶和奶嘴的技术要求、试验方法、检验规则、标识、运输和贮存。GB 38995适...
GB/T 39207-2020.Code of practice for installation and commissioning of anchor handling system.1范围GB/T 39207规定了锚处理系统的安装前准备、安装质量、安装程序...
