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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40385-2021 |
Non-destructive testing of steel tubes—Digital radiographic testing of the weld seam of welded steel tubes for the detection of imPerfections 钢管无损检测 焊接钢管焊缝缺欠的数字射线检测 |
China National Standards Perfect |
 English PDF |
| GB/T 40791-2021 |
Non-destructive testing of steel tubes—Radiographic testing of the weld seam of welded steel tubes for the detection of imPerfections 钢管无损检测 焊接钢管焊缝缺欠的射线检测 |
China National Standards Perfect |
English PDF |
| GB/T 5777-2019 |
Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imPerfections 无缝和焊接（埋弧焊除外）钢管纵向和/或横向缺欠的全圆周自动超声检测 |
China National Standards Perfect |
English PDF |
| GB/T 5777-2019 |
Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imPerfections 无缝和焊接（埋弧焊除外）钢管纵向和/或横向缺欠的全圆周自动超声检测 |
China National Standards Perfect |
English PDF |
| GB/T 14142-2017 |
Test method for crystallographic Perfection of epitaxial layers in silicon—Etching technique 硅外延层晶体完整性检验方法 腐蚀法 |
China National Standards Perfect |
English PDF |
| GB/T 7735-2016 |
Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imPerfections 无缝和焊接（埋弧焊除外）钢管缺欠的自动涡流检测 |
China National Standards Perfect |
English PDF |
| GB/T 33219-2016 |
ImPerfections in brazed joints 硬钎焊接头缺欠 |
China National Standards Perfect |
English PDF |
| GB/T 33214-2016 |
Laser-arc hybrid welding joints of steels, nickel and nickel alloys—Quality levels for imPerfections 钢、镍及镍合金的激光-电弧复合焊接接头 缺欠质量分级指南 |
China National Standards Perfect |
English PDF |
| GB/T 12606-2016 |
Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imPerfections 无缝和焊接（埋弧焊除外）铁磁性钢管纵向和/或横向缺欠的全圆周自动漏磁检测 |
China National Standards Perfect |
English PDF |
| GB/T 12606-2016 |
Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imPerfections 无缝和焊接（埋弧焊除外）铁磁性钢管纵向和/或横向缺欠的全圆周自动漏磁检测 |
China National Standards Perfect |
English PDF |
| GB/T 7735-2016 |
Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imPerfections 无缝和焊接（埋弧焊除外）钢管缺欠的自动涡流检测 |
China National Standards Perfect |
English PDF |
| GB/T 13871.5-2015 |
Rotary shaft lip-type seals incorporating elastomeric sealing elements—Part 5: Identification of visual imPerfections 密封元件为弹性体材料的旋转轴唇形密封圈 第5部分: 外观缺陷的识别 |
China National Standards Perfect |
English PDF |
| GB/T 29033-2012 |
Calculation method of water-water heat pump units on the basis of thermodynamic Perfectibility 水-水热泵机组热力学完善度的计算方法 |
China National Standards Perfect |
English PDF |
| GB/T 25681-2010 |
Printing machinery - Perfect binding machine 印刷机械 胶粘装订联动机 |
China National Standards Perfect |
English PDF |
| GB/T 1554-2009 |
Testing method for crystallographic Perfection of silicon by preferential etch techniques 硅晶体完整性化学择优腐蚀检验方法 |
China National Standards Perfect |
English PDF |
| GB/T 8923.3-2009 |
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 3: Preparation grades of welds,edges and other areas with surface imPerfections 涂覆涂料前钢材表面处理 表面清洁度的目视评定 第3部分：焊缝、边缘和其他区域的表面缺陷的处理等级 |
China National Standards Perfect |
English PDF |
| GB/T 7736-2008 |
Ultrasonic inspecting method for macro-structure and imPerfection of steel 钢的低倍缺陷超声波检验法 |
China National Standards Perfect |
English PDF |
| GB/T 22087-2008 |
Arc-welded joints in aluminium and its alloys - Guidance on quality levels for imPerfection 铝及铝合金的弧焊接头 缺欠质量分级指南 |
China National Standards Perfect |
English PDF |
| GB/T 22085.2-2008 |
Electron and laser beam welded joints - Guidance on quality levels for imPerfections - Part 2:Aluminium and its weldable alloys 电子束及激光焊接接头 缺欠质量分级指南 第2部分：铝及铝合金 |
China National Standards Perfect |
English PDF |
| GB/T 21283.5-2008 |
Rotary shaft lip-type seals incorporating thermoplastic sealing elements - Part 5: Identification of visual imPerfections 密封元件为热塑性材料的旋转轴唇形密封圈 第5部分 外观缺陷的识别 |
China National Standards Perfect |
English PDF |
| GB/T 1185-2006 |
Surface imPerfections of optical elements 光学零件表面疵病 |
China National Standards Perfect |
English PDF |
| GB/T 20490-2006 |
Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes - Ultrasonic testing for the detection of laminar imPerfections 承压无缝和焊接（埋弧焊除外）钢管分层的超声检测 |
China National Standards Perfect |
English PDF |
| GB/T 6417.2-2005 |
Classification and explanation of imPerfections in pressure welded joints 金属压力焊接头缺欠分类及说明 |
China National Standards Perfect |
English PDF |
| GB/T 6417.1-2005 |
Classification and explanation of imPerfections in fusion welded joints 金属熔化焊接头缺欠分类及说明 |
China National Standards Perfect |
English PDF |
| GB/T 19418-2003 |
Arc-welded joints in steel--Guidance on quality levels for imPerfections 钢的弧焊接头 缺陷质量分级指南 |
China National Standards Perfect |
English PDF |
| GB/T 15757-2002 |
Geometrical product specifications(GPS)--Surface imPerfections--Terms，definitions and parameters 产品几何量技术规范(GPS) 表面缺陷 术语、定义及参数 |
China National Standards Perfect |
English PDF |
| GB/T 17604-1998 |
Rubber--Recommendations for the workmanship of pipe joint rings--Description and classification of imPerfections 橡胶 管道接口用密封圈制造质量的建议 疵点分类与类别 |
China National Standards Perfect |
English PDF |
| GB/T 14142-1993 |
Test method for crystallographic Perfection of epit-axial layers in silicon by etching techniques 硅外延层晶体完整性检查方法 腐蚀法 |
China National Standards Perfect |
English PDF |
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