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Chinese National Standards
中華民國國家標準
- Taiwan 台灣 -
 

What is CNS Standards ?

CNS Standard is abbreviation of Chinese National Standard, the National Standards of the Republic of China (Taiwan) ;
They are administered by the Bureau of Standards, Metrology and Inspection of the Ministry of Economic Affairs.

The English versions CNS standards were translated directly from the openly-published Chinese CNS standard , in case of any divergence of interpretation, the Chinese versions CNS standards text shall prevail.

CNS standards are divided into 26 numbered categories, Detail see bellow:
  • CNS Standards 26 Categories:
    		•
  • CNS Standards Index:
    		•
    K-Chemical Industry
    		CNS 2456-5 - English Version
    Plastics piping systems for water supply and for drainage and sewerage under pressure − Polyethylene (PE) − Part 3: Fittings
    壓力下給水、排水及排污用塑膠配管系統－聚乙烯(PE)－第5部：系統適合度 - 英文版
    B-Mechanical Engineering
    		CNS 4372 - English Version
    Round Thread with Clearance and Steep Flank with Pitch 7mm (Limits of Sizes and Deviations--Tolerances and Permissible Wear of Thread Gauges)
    圓螺紋（具有間隙，深螺腹，螺距７ｍｍ之螺紋限界尺寸和偏差螺紋量規之公差和許可磨損） - 英文版
    B-Mechanical Engineering
    		CNS 4544 - English Version
    Limits of sizes and tolerances for ISO metric coarse screw threads (Tolerance quality: medium, tolerances: 5 H、6 H and 6 h、6 g)(Diameters from 1 to 68 mm and pitches 0.25 to 6 mm)
    公制粗螺紋限界尺寸及公差（ＩＳＯ制）（中品級–5Ｈ、6Ｈ、6ｈ、6ｇ）（標稱直徑1至68mm，螺距0.25至6mm） - 英文版
    C-Electrical Engineering
    		CNS 60669-2-1 - English Version
    Switches for household and similar fixed electrical installations − Part 2-1: Particular requirements − Electronic switches
    家用和類似用途固定式電氣裝置之開關－第2-1 部：電子式開關之個別要求 - 英文版
    K-Chemical Industry
    		CNS 1976 - English Version
    Sodium Peroxide
    化學試藥（過氧化鈉） - 英文版
    K-Chemical Industry
    		CNS 3390 - English Version
    Method of test for kinematic viscosity of transparent and opaque liquids (and calculation of dynamic viscosity)
    透明與不透明液體黏度試驗法（動黏度及絕對黏度） - 英文版
    H-Non-ferrous Materials & Metallurgy
    		CNS 8410-2 - English Version
    Test methods for corrosion resistance of anodic oxide coatings on aluminium and aluminium alloys - Part 2: CASS test
    鋁及鋁合金之陽極氧化膜耐蝕性試驗法－第２部：含銅加速醋酸鹽水噴霧試驗法 - 英文版
    K-Chemical Industry
    		CNS 14472 - English Version
    Method of test for sulfur in petroleum products by energy-dispersive X-ray fluorescence spectroscopy
    石油產品中硫含量測定法(能量分散式X-射線螢光光譜法) - 英文版
    K-Chemical Industry
    		CNS 14670 - English Version
    Method of test for measurement of lubricity of aviation turbine fuels by the ball-on-cylinder lubricity evaluator
    航空燃油潤滑度試驗法 - 英文版
    R-Ceramic Industry
    		CNS 470 - English Version
    Testing Standard for Cement Roof Tiles
    水泥瓦檢驗標準 - 英文版
    Translated
    B-Mechanical Engineering
    		CNS 4546 - English Version
    Limits of Sizes and Tolerances for ISO Metric Fine Screw Threads (Tolerance Quality: Fine,Tolerances: 4H、5H and 4h)(Diameters from 1 to 300mm and Pitches 0.2 to 6mm)
    公制細螺紋限界尺寸及公差（ISO制）（細品級–4H、5H、4h）（標稱直徑1至300mm，螺距0.2至6mm） - 英文版
    B-Mechanical Engineering
    		CNS 530 - English Version
    Iso Metric Screw Threads-Tolerances-Limits of Sizes for Commercial Bolt and Nut Threads--Medium Quality
    公制螺紋公差（ＩＳＯ制）（商用內、外螺紋之限界尺寸–中品級） - 英文版
    Translated
    B-Mechanical Engineering
    		CNS 157 - English Version
    Square Taper Washers (for I Sections)
    方形推拔墊圈（工字鐵用） - 英文版
    B-Mechanical Engineering
    		CNS 9074 - English Version
    Retaining rings-C type
    Ｃ型扣環 - 英文版
    G-Ferrous Materials & Metallurgy
    		CNS 4437 - English Version
    Carbon steel tubes for machine structure
    機械結構用碳鋼鋼管 - 英文版
    K-Chemical Industry
    		CNS 15801 - English Version
    Liquorice extracts (Glycyrrhiza glabra L.) – Determination of glycyrrhizic acid content − Method using high-performance liquid chromatography
    甘草萃取物－甘草酸苷含量測定法－高效液相層析法 - 英文版
    H-Non-ferrous Materials & Metallurgy
    		CNS 4157 - English Version
    Metallic and other inorganic coatings – Electrodeposited coatings of nickel, nickel plus chromium, copper plus nickel and of copper plus nickel plus chromium
    金屬及其他無機電鍍層－鎳、鎳鉻、銅鎳及銅鎳鉻電鍍層 - 英文版
    K-Chemical Industry
    		CNS 15283-3 - English Version
    Industrial tyres and rims - Part 3: Rims
    工業用輪胎及輪圈－第３部：輪圈 - 英文版
    K-Chemical Industry
    		CNS 13875 - English Version
    Method of test for aluminum and silicon in fuel oils by ashing,fusion,inductively coupled plasma atomic emission spectrometry and atomic absorption spectrometry
    燃料油中鋁及矽含量試驗法（灰化熔融感應耦合電漿原子放射光譜法及原子吸收光譜法） - 英文版
    Z7-General & Miscellaneous
    		CNS 14596 - English Version
    Welding consumables − Gas shielded and self-shielded flux cored wires for arc welding of mild steel, high strength steel and low temperature service steel
    銲接材料－軟鋼、高強度鋼及低溫用 鋼氣遮護及自遮護電弧銲接用包藥銲線 - 英文版

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