International Standard Comparative

British Standards Institution :: Unified Numbering Systems for Metals and Alloys

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BSI Group, also known in its home market as the British Standards Institution (or BSI), is a multinational business services provider whose principal activity is the production of standards and the supply of standards-related services. BSI produces British Standards, and, as the UK’s National Standards Body, is also responsible for the UK publication, in English, of international and European standards. The Group now operates internationally in 150 countries.


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The UNS for Metals and Alloys provides a means of correlating many internationally used metal and alloy numbering systems administered by societies, trade associations, and individual users and producers of metals and alloys. Jointly developed by ASTM International and the Society of Automotive Engineers (SAE), it provides the uniformity necessary for efficient indexing, record keeping, data storage and retrieval, and cross-referencing.

Comparative Table1

Councils

B/- Council for Building and Civil Engineering C/- Chemical and Health Council
E/- Engineering Council L/- British Electrotechnical Committee and Electrotechnical Council
M/- Multitechnics Council S/- Systems : Management And Environment T/- Disc
 
BS No.&title BS Grade UNS&etc Spec   BS No.&title BS Grade UNS&etc Spec
BS375
Spec for refined nickel
R99.95A&B ③H2104

BS970
Spec for wrought steles
for mechanical and allied
engineering purposes
Part 1
General inspection and
testing procedures and
specific requirements for
carbon,
carbon manganese,
alloy and stainless steels

040A04  
R99.9 040A10 G10100②1010
R99.8 040A12 G10120②1012
R99.5 040A15  
BS441
Spec of purchasing
requirements for fluxcored
and soild solder wire
1 ③Z3283 040A20  
2 045A10 ③SO9CK
3 045M10 G10100②1010
4 055M15 G10150②1015
5a 060A32 ③S33C
5b 060A35 G10350
6 060A40 G10390
7 060A42 G10420
BS639
Spec for covered carbon
and carbon manganese steel
electrodes for manual
metal-arc welding
E4302AXXXX W06027 060A45  
E4302BXXX(H) W07016 060A47 G10450③S48C
E4310R(RR)XXXX W06013 060A57 G10600
E4320CXXXX W06011 060A62 G10600
E4320SXXXX   060A67 G10700
E5102AXXXX   060A72  
E5102B(S)XXXX(H)   060A78 G10800
E510E5102SXXXX2BXXX(H)      
       
       
       
       


Note:1.

① ASTM ② ANSI/SAE/AWS ③ JIS ④ UNS
⑤ BS ⑥ AFNOR ⑦ SS ⑧ Maker Brand


 
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