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 158 - English Version
Rectangular Lock Washers (for Metric Bolts and Nuts: M3 - M52)
長方形防鬆墊圈（用於螺釘及螺帽Ｍ３至Ｍ５２） - 英文版

B-Mechanical Engineering

CNS 7553 - English Version
Slip-on Welding Steel Pipe Flanges (5 kgf/㎠)
滑入熔接式鋼製管凸緣（5 kgf/㎠） - 英文版

B-Mechanical Engineering

CNS 10897 - English Version
Miniature boiler
小型鍋爐 - 英文版

B-Mechanical Engineering

CNS 4670-26 - English Version
Specified Items for Machine Tools - Surface Grinders (Rotary Table Type)
工具機規範之項目–平面磨床（旋轉台式） - 英文版

Translated

K-Chemical Industry

CNS 1947 - English Version
Sodium Bisulfate, Fused
化學試藥（融熔硫酸氫鈉） - 英文版

K-Chemical Industry

CNS 1881 - English Version
Potassium Carbonate, Anhydrous
氯酸鉀（試藥） - 英文版

B-Mechanical Engineering

CNS 5270-5 - English Version
Graphical Symbols for Fluid Power Diagrams-Pressure Control Valve
液壓、氣壓圖形符號–壓力控制閥 - 英文版

E-Railway Engineering

CNS 14566 - English Version
Sleeper screws (Screw spikes)
螺旋道釘 - 英文版

K-Chemical Industry

CNS 1906 - English Version
Potassium sulfate (fertilizer grade)
化學試藥（酒石酸鉀） - 英文版

K-Chemical Industry

CNS 1806 - English Version
Mercuric Oxide, Red
化學試藥（氧化汞，紅色） - 英文版

B-Mechanical Engineering

CNS 5717 - English Version
Vocabulary of gear terms - Definitions related to geometry
齒輪詞彙－幾何學之定義 - 英文版

B-Mechanical Engineering

CNS 6733 - English Version
Reciprocating Internal Combustion Engines- Hand Operated Control Devices- Standard Direction of Motion
往復式內燃機手動遙控操作運動方向 - 英文版

D-Automotive & Aircraft Engineering

CNS 5798 - English Version
Fuel Level Gauges for Automobiles
汽車用燃料表 - 英文版

B-Mechanical Engineering

CNS 361 - English Version
Rear Hubs for Bicycles
自行車（腳踏車）後輪轂 - 英文版

Translated

K-Chemical Industry

CNS 1917 - English Version
L-Rhamnose Isodulcitol
化學試藥（Ｌ–鼠李糖） - 英文版

K-Chemical Industry

CNS 1967 - English Version
Sodium hydroxide（reagent）
氫氧化鈉（試藥） - 英文版

B-Mechanical Engineering

CNS 9787 - English Version
Precision and Bias Statements for Test Methods for Construction Materials
精密級滾珠螺桿 - 英文版

D-Automotive & Aircraft Engineering