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 7575 - English Version
Tip Diameter of Spur Gears in the 0.5 System
０．５齒制正齒輪之齒頂圓直徑 - 英文版

K-Chemical Industry

CNS 2987 - English Version
Phenol formaldehyde resin molding compounds
酚甲醛樹脂成型粉 - 英文版

K-Chemical Industry

CNS 3275 - English Version
Method of test for polymethylacrylate corrugated sheet (light penetration)
聚甲基丙烯酸甲酯樹脂波形板檢驗法（光線透過率測定法） - 英文版

Z-#N/A

CNS 21927-8 - English Version
Smoke and heat control systems − Part 8: Smoke control dampers
煙與熱控制系統－第8部：煙控閘門 - 英文版

N-Agriculture, Food

CNS 5924 - English Version
Method of test for silica content in tobacco and tobacco products (Incineration method)
菸葉及菸製品中二氧化矽含量之檢驗法（焚化法） - 英文版

N-Agriculture, Food

CNS 5925 - English Version
Method of test for silica content in tobacco and tobacco products (Wet digestion method)
菸葉及菸製品中二氧化矽含量之檢驗法（濕式分解法） - 英文版

C-Electrical Engineering

CNS 6027 - English Version
Method of test for standard cells
標準電池檢驗法 - 英文版

B-Mechanical Engineering

CNS 10535 - English Version
Involute Splines -- Dimensions and Measurements (Module 10)
漸開線栓槽組–標稱尺度，測定尺度（模數１０） - 英文版

P-Pulp & PaperIndustry

CNS 1357 - English Version
Method of test for air permeance of paper and board (Gurley method)
紙及紙板透氣度試驗法(Gurley法) - 英文版

X-Information & Communication

CNS 61970-456 - English Version
Energy management system application program interface (EMS-API) − Part 456: Solved power system state profiles
能源管理系統應用程式介面(EMS-API)－第456部：電力系統狀態解剖繪 - 英文版

M-Mining

CNS 5911 - English Version
Non-sparking beryllium copper alloy tools-screw drivers
防爆用鈹銅合金螺絲起子 - 英文版

Z-#N/A

CNS 8173 - English Version
Clamps for spherical-ground joints
夾鉗(玻璃製球面接頭用) - 英文版

Z-#N/A

CNS 11296-7 - English Version
Quantities and units of acoustics (replaced by CNS 80000-8)
聲學之單位及量(被CNS 80000-8取代) - 英文版

K-Chemical Industry

CNS 16174-5 - English Version
Paints and varnishes − Corrosion protection of steel structures by protective paint and coating systems − Part 5: Protective paint systems
油漆與清漆－防護油漆及塗裝系統對鋼結構物之腐蝕防護－第5部：防護油漆系統 - 英文版

B-Mechanical Engineering

CNS 7199 - English Version
Levels
水平儀 - 英文版

B-Mechanical Engineering

CNS 4756 - English Version
Sine Bars
正弦規 - 英文版

B-Mechanical Engineering

CNS 10308 - English Version
Steel Die Forgings -- Machining Allowances,Radius and Drafts
鋼模鍛件–切削裕度、圓角半徑及拔模斜度（角度） - 英文版

K-Chemical Industry

CNS 12763 - English Version
Method for separation of tetraethyllead and tetramethyllead in gasoline
汽油內四乙鉛、四甲鉛分離法 - 英文版

K-Chemical Industry

CNS 13873 - English Version
Method of test for kauri-butanol value of hydrocarbon solvents
石油溶劑考立丁醇(KB)值試驗法 - 英文版

B-Mechanical Engineering

CNS 841 - English Version
Ductile Cast Iron Special Castings for Pressure Main Lines, Double-Socket Bends 22(DSB-22)
壓力管路用延性鑄鐵管件–２２1/2°雙承口彎管（ＤＳＢ–２２） - 英文版

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