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 7859 - English Version
Design of Leaf Spring
疊板彈簧設計 - 英文版

B-Mechanical Engineering

CNS 4806 - English Version
Countersinks for Countersunk Head Screws for Fine Mechanics
錐坑（精密機械埋頭螺釘用） - 英文版

B-Mechanical Engineering

CNS 7574 - English Version
Root Diameter of Spur Gears in the 0.5 System
０．５齒制正齒輪之齒底圓直徑 - 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

Z2-Industry Safety

CNS 15542 - English Version
Gas cylinders − Design, construction and testing of refillable composite gas cylinders and tubes − Part 3: Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 L with non-load-sharing metallic or non-metallic liners or without liners
氣瓶－可重填複合材料氣瓶與氣筒之設計、構造及測試－第3部︰450 L以下具不分擔負載金屬或非金屬內膽或無內膽之全包覆式纖維強化複合材料氣瓶與氣筒 - 英文版

C-Electrical Engineering

CNS 62840-2 - English Version
Electric vehicle battery swap system − Part 2: Safety requirements
電動車輛電池交換系統－第2部：安全要求 - 英文版

B-Mechanical Engineering

CNS 3541 - English Version
Cross Recesses Penetration Gauge
十字穴深度量規 - 英文版

K-Chemical Industry

CNS 12262 - English Version
Method of test for oxidation characteristics of inhibited mineral oils
含抑制劑礦油之氧化特性試驗法 - 英文版

B-Mechanical Engineering

CNS 831 - English Version
Cast Iron Pipes for Pressure Lines with TYTON Joints Class LA
壓力管路用鑄鐵管–使用ＴＹＴＯＮ插承口（Ａ級） - 英文版

B-Mechanical Engineering

CNS 6740 - English Version
Spindle Noses for Drilling Machines
鑽床心軸鼻端 - 英文版

C-Electrical Engineering

CNS 60598-2-13 - English Version
Luminaires − Part 2-13: Particular requirements − Ground recessed luminaires
燈具－第2-13部：嵌地式燈具之個別要求 - 英文版

Z-#N/A

CNS 9939 - English Version
Method of test for knoop hardness of optical glasses
光學玻璃諾布氏硬度試驗法 - 英文版

R-Ceramic Industry

CNS 12445 - English Version
Glass components for chemical plants
化學工業用玻璃構件 - 英文版

Z7-General & Miscellaneous

CNS 15876-1 - English Version
Specification and qualification of welding procedures for metallic materials − Welding procedure tests − Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys
金屬材料銲接程序規範書及其檢定－銲接程序試驗－第1部：鋼的電弧銲接及氣銲、鎳及鎳合金的電弧銲接 - 英文版

Z-#N/A

CNS 8175 - English Version
Metal laboratory ware stand rods
實驗室用支架用直立桿 - 英文版

B-Mechanical Engineering

CNS 7578 - English Version
Normal Chordal Tooth Thickness and Chordal Height of Spur Gears in the 0.5 System
０．５齒制正齒輪之弦齒厚及弦齒冠 - 英文版

B-Mechanical Engineering

CNS 7120 - English Version
Tolerances for Pipe Flange
管凸緣尺度公差 - 英文版

Z-#N/A

CNS 9940 - English Version
Method of test for abrasion of optical glasses
光學玻璃磨耗度試驗法 - 英文版

Z-#N/A

CNS 8180 - English Version
Metal laboratory ware hook connector
實驗儀器用鈎形夾具 - 英文版

B-Mechanical Engineering

CNS 52911-2 - English Version
Additive manufacturing − Design − Part 2: Laser-based powder bed fusion of polymers
積層製造－設計－第2部：聚合物之雷射式粉末床熔融 - 英文版

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