GB/T 5216-2014
保证淬透性结构钢
Structural steel with specified hardenability bands
- 实施日期
- 2015-09-01
- ICS 分类
- 77.140.10
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 5216-2014
Structural steel with specified hardenability bands
GB/T 31315-2014
Cold drawn or cold rolled precision weld steel tubes for mechanical structures
GB/T 31314-2014
Multi wires of large diameter strand with high-strength and low-relaxation strand for prestressing
GB/T 31304-2014
Epoxy-coated high strength wire stay cable
GB/T 31303-2014
Austenitic-Ferritic duplex stainless steel bars
GB/T 1299-2014
Tool and mould steels
GB/T 5250-2014
Permeable sintered metal materials―Determination of fluid permeability
GB/T 3488.1-2014
Hardmetals―Metallographic determination of microstructure―Part 1:Photomicrographs and description
GB/T 31316-2014
General principles of cathodic protection in sea water
GB/T 21143-2014
Metallic materials―Unified method of test for determination of quasistatic fracture toughness
GB/T 14849.6-2014
Methods for chemical analysis of silicon metal―Part 6:Determination of carbon―Infrared absorption method
GB/T 14849.5-2014
Methods for chemical analysis of silicon metal―Part 5:Determination of impurity contents―X-ray fluorescence method
GB/T 4372.7-2014
Methods for chemical analysis of zinc oxide produced by direct process―Part 7:Determinantion of ferric oxide content―Flame atomic absorption spectrometry method
GB/T 4372.6-2014
Methods for chemical analysis of zincoxide produced by direct process―Part 6:Testing of metallic zinc
GB/T 4372.5-2014
Methods for chemical analysis of zinc oxide produced by direct process―Part 5:Determination of manganese content―Flame atomic absorption spectrometry method
GB/T 4372.2-2014
Methods for chemical analysis of zinc oxide produced by direct process―Part 2:Determination of lead oxide content―Flame atomic absorption spectrometry method
GB/T 4372.1-2014
Methods for chemical analysis of zincoxide produced by direct process―Part 1:Determination of zinc oxide content―Na2EDTA titration method
GB/T 3884.18-2014
Methods for chemical analysis of copper concentrates―Part 18:Determination of arsenic,antimony,bismuth,lead,zinc,nickel,cadmium,cobalt,magnesium oxide,calcium oxide contents―Inductively coupled plasma atomic emission spectrometry
GB/T 3884.17-2014
Methods for chemical analysis of copper concentrates―Part 17:Determination of aluminium oxide content―Chromazurol S spectrophotometric method and fluoride salts device-Na2EDTA titrimetric method
GB/T 3884.16-2014
Methods for chemical analysis of copper concentrates―Part 16: Determination of silicon dioxide content―K2SiF6 titrimetric method and Gravimetric method