International Standard Comparative

BSI No. :: UNS No.

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

50x50

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.


50x50

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
BS 2875
(continued)
C25     19.12.3.L W31613
C26   19.12.3.Nb W31910
    19.13.4 W31710
1050A A91100 19.13.4.L W31713
1080A A94043 19.13.4.Nb  
3103   20.25.5LCuNb  
4043A A95654 20.34.2CuNb  
4047A   23.12 W30910
5056A   23.12L  
5154A A95183 23.12.Nb W30917
5183 A95356 23.12.2  
5356   23.12w  
5554 A9556 25.6.2  
5557A   25.6.2Cu  
MAG1   25.20 W31010
MAG3   25.20H  
MAG5   25.20Nb  
MAG6   25.20.1  
MAG8   25.20.1Nb  
MAG9   25.20.2  
MAG111   25.21.2Nb  
MAG141   25.35H  
13 W41010 25.35HNb  
BS2901
Filler rods and wires for gas-shielded arc welding
Part 1
Ferritic steels
13.4Mo   28  
15.35H   29.9  
17 W43010 29.9.1  
17.8.2 W36810 29.9.2  
18.15.3LMn   BS2970
Spec. for magnesium and magnesium alloy ingots and castings
MAG1 M11914
19.9 W30810 MAG4 M16510
19.9.L W30813 MAG6 M12330
19.9.3   MAG7 M11912
19.9.Nb W34710    
19.12.2L      
19.12.3 W31410    
    BS3059
Steel boiler and super geater tubes
   
   
   
   


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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