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 3873 - English Version
Method of Test for the Rear Hubs of Bicycles
自行車（腳踏車）後輪轂檢驗法 - 英文版

Translated

Z2-Industry Safety

CNS 13539 - English Version
Excess Flow Shut - off Devices for Liquefied Petroleum Gas
液化石油氣超流遮斷裝置 - 英文版

Translated

C-Electrical Engineering

CNS 14656 - English Version
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane
聲學─測定噪音源聲功率位準的工程級方法─用於一反射平面上的自由聲場條件 - 英文版

M-Mining

CNS 7285 - English Version
Method for Determination of Gold and Silver in Ores with Tellurium
含碲礦中金及銀定量法 - 英文版

C-Electrical Engineering

CNS 14655-2 - English Version
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part2: Method for special reverberation test rooms
聲學─利用聲壓測定噪音源聲功率位準的工程級方法─用於迴響聲場小型、可移動的聲源─第二部：特殊迴響測試室的方法 - 英文版

C-Electrical Engineering

CNS 13089 - English Version
Mothod of Endurance Test for Light Emitting Diode Big Lamps (for Outdoor Display)-Burn-in Test (Forward Bias)
發光二極體大型燈（戶外顯示用）耐久性試驗法–預燒試驗（順向偏壓） - 英文版

G-Ferrous Materials & Metallurgy

CNS 10744 - English Version
Centrifugally Cast Steel Pipes for Welded Structures
銲接結構用離心鑄鋼管 - 英文版

B-Mechanical Engineering

CNS 12753 - English Version
Gauges for Taper Pipe Threads
推拔管螺紋量規 - 英文版

Z9-General & Miscellaneous

CNS 5162 - English Version
Projector Lamps
投影幻燈片尺度 - 英文版

B-Mechanical Engineering

CNS 12557 - English Version
Method of Test for Thermal Performance for Solar Storage Tanks
太陽能蓄熱槽蓄熱性能檢驗法 - 英文版

B-Mechanical Engineering

CNS 5653 - English Version
Method of Test for Level Gauge
水平儀檢驗法 - 英文版

K-Chemical Industry

CNS 6455 - English Version
Oil of cassia, Chinese type (Cinnamomum aromaticum Nees, syn. Cinnamomum cassia Nees ex Blume)
肉桂油(中國型) - 英文版

C-Electrical Engineering

CNS 14492-1 - English Version
Methods of measurement on radio receivers for various classes of emission-Part1:General considerations and methods of measurement,including audio-frequency measurements
不同發射類別之無線電接收機的量測方法-第1部:概論及含括音頻量測在內的量測方法 - 英文版

B-Mechanical Engineering

CNS 11090 - English Version
Bronze screwed pulse gate valves (8.5 kgf/㎠²)
青銅螺紋口脈動閘閥（8.5 kgf/㎠） - 英文版

Z9-General & Miscellaneous

CNS 13352-1 - English Version
Micrographics Vocabulary (Section 01: General Terms)
微縮技術詞彙（第一部：通用術語） - 英文版

N-Agriculture, Food

CNS 15091-2 - English Version
Method of test for deep sea water - Measurement of in-situ suspended particle transmission
深層海水檢驗法－現場懸浮顆粒透光率之測量 - 英文版

B-Mechanical Engineering

CNS 3252 - English Version
Pedal Threshers
人力脫穀機 - 英文版

B-Mechanical Engineering

CNS 4490 - English Version
Eye Bolts
環首螺栓 - 英文版

B-Mechanical Engineering

CNS 2865 - English Version
Method of Test for Tolerances of Thrust (Axial) Rolling Bearings
止推（軸向）軸承精度檢驗法 - 英文版

B-Mechanical Engineering

CNS 506 - English Version
ISO Metric Fine Screw Threads (Diameters from 70 to 300 mm and Pitch 6 mm)
公制細螺紋9（ISO制）（標稱直徑70至300公釐，螺距6公釐） - 英文版

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