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:

A
Civil Engineering & Architecture
土木工程及建築

B
Mechanical Engineering
機械工程

C
Electrical Engineering
電機工程, 電子工程

D
Automotive & Aircraft Engineering
機動車及航太工程

E
Railway Engineering
軌道工程

F
Ship building Engineering
造船工程

G
Ferrous Materials & Metallurgy
鐵金屬冶煉

H
Non-ferrous Materials & Metallurgy
非鐵金屬冶煉

J
Nuclear Engineering
核子工程

K
Chemical Industry
化學工業

L
Textile Industry
紡織工業

M
Mining
礦業

N
Agriculture, Food
農業,食品

O
Wood Industry
木業

P
Pulp & PaperIndustry
紙業

Q
Environmental Management
環境保護

R
Ceramic Industry
陶業

S
Domestic Wares
日常用品

T
Medical Equipments & Appliances
衛生及醫療器材

X
Information & Communication
資訊及通信

Z-1
Industry Safety
工業安全

Z-2
Physical Distribution & Packaging
物流及包裝

Z-3
General & Miscellaneous
一般及其他

CNS Standards Index:

B-Mechanical Engineering

CNS 6752 - English Version
Glossary of Terms Relating to Parts of Metal Sawing Machines
鋸床、切斷機主要零件詞彙 - 英文版

K-Chemical Industry

CNS 7818 - English Version
Chemical Reagent (Potassium Hexachloropatiate (IV))
化學試藥（六氯鉑酸（ＩＶ）鉀） - 英文版

K-Chemical Industry

CNS 14666 - English Version
Method of test for vapor pressure of petroleum products (mini method)
石油產品蒸氣壓試驗法（迷你法） - 英文版

K-Chemical Industry

CNS 1860 - English Version
Phosphomolybdic Acid
化學試藥（磷鉬酸） - 英文版

K-Chemical Industry

CNS 1851 - English Version
Phenol (Reagent)
酚（試藥） - 英文版

K-Chemical Industry

CNS 7821 - English Version
Chemical Reagent (Barium Chlorate)
化學試藥（氯酸鋇） - 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

R-Ceramic Industry

CNS 14145 - English Version
Methods of test for measuring thermal expansion of fine ceramics by thermomechanical analysis
精密陶瓷以熱工分析之熱膨脹測定法 - 英文版

K-Chemical Industry

CNS 14306-1 - English Version
Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates (Method for the calibration of ISO surface profile comparators and for the determination of surface pro
塗料及有關製品塗裝前之鋼面處理－噴射清理鋼面之表面粗糙度特性（磨料噴射清理表面評估用ISO表面輪廓參比標準板之規範及意義） - 英文版

B-Mechanical Engineering

CNS 15423-1 - English Version
Equipment for water supply service – Part 1: Test methods of hydrostatic pressure
自來水用器具－第1部：耐壓試驗法 - 英文版

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

H-Non-ferrous Materials & Metallurgy

CNS 15352 - English Version
Hard anodic oxide coatings on aluminium and aluminium alloys
鋁及鋁合金之硬質陽極氧化膜 - 英文版

B-Mechanical Engineering

CNS 5270-2 - English Version
Graphical Symbols for Fluid Power Diagrams-Pump and Motor
液壓、氣壓圖形符號–泵及馬達 - 英文版

Z7-General & Miscellaneous

CNS 13719 - English Version
Welding consumables − Covered electrodes for mild steel, high tensile strength steel and low temperature service steel
銲接材料－軟鋼、高強度鋼及低溫用鋼用被覆銲條 - 英文版

C-Electrical Engineering

CNS 60669-1 - English Version
Switches for household and similar fixed electrical installations − Part 1: General requirements
家用和類似用途固定式電氣裝置之開關－第1部：一般要求 - 英文版

H-Non-ferrous Materials & Metallurgy

CNS 8411-2 - English Version
Test methods for abrasion resistance of anodic oxide coatings on aluminium and aluminium alloys - Part 2: Abrasive jet test
鋁及鋁合金之陽極氧化膜耐磨耗性試驗法－第２部：噴射磨耗試驗法 - 英文版

B-Mechanical Engineering

CNS 7114 - English Version
Cast Steel Flanged Gate Valves (20 kgf/㎠) (Outside Screw Type)
鑄鋼凸緣型閘閥（20 kgf/㎠）（閥桿上升型） - 英文版

Translated

N-Agriculture, Food

CNS 15443 - English Version
Sea water mineral concentrate
海水濃縮礦物質液 - 英文版

K-Chemical Industry

CNS 1864 - English Version
Phosphorus Pentachloride
化學試藥（五氯化磷） - 英文版

Z4-Quality Control

CNS 17011 - English Version
Conformity assessment – Requirements for accreditation bodies accrediting conformity assessment bodies
符合性評鑑－認證機構認證符合性評鑑機構之要求事項 - 英文版

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