International Standard Comparative

BSI No. :: UNS No.

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 Table17

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
BS3059 Part 1
Spec. for low tensile carbon steel tubes without specified elevated temperature properties
    BS3075
(continued)
nickel alloys : wire
   
CEW320      
CFS320 ①A179    
ERW320 ①A178-A    
HFS320   BS3076
Spec. for nickel and nickel allys : bar
NA11 ①B164
    NA12 ③H4522/font>
    NA17 ④1.4864
    NA18 ④2.4375
    NA19 ④2.4632
    NA20 ④2.4631
Part 2
Spec. for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties
CEW360   NA21  
CEW440   BS3100
Spec. for steel castings for general engineering purposes
A1 J03000
CEW620   A2 J03001
CFS304S59 S30409④1.4948 B2 J12072
CFS316S59 S31609④1.4919 B3 J21890
CFS321S59 S32109④1.6903 BL1 J12522
CFS347S59 S34709④1.6905 BL2 J31550④1.5638
ERW360 K01200    
ERW440 K02707 BS3252
Spec. for ingot tin
   
ERW620 K11562    
S1360 K01200   ③H2108
S1440 K32707 BS3370
Spec. for wrought magnesium alloys for general engineering purposes. Plate, sheet and strip
MAG-E-111  
S1620 K11562 MAG-S-141  
S1622-440 K21590 MAG-S-151  
S1629-470 S50400    
S2360 K01200    
S2440 K02707    
S2620 K11562    
S2622-490 K21590④1.7380    
S2629-470 S50400④1.7386    
BS 3062
Spec. for ophthalmic lens materials
    BS3373
Spec. for wrought magnesium alloys for general engineering purposes. Bars, sections and tubes including extruded forging stock
MAG-E-111  
    MAG-E-121  
    MAG-E-141  
    MAG-E-151  
BS 3072
Spec. for nickel and nickel alloy castings
    MAG-E-161  
    MAG-S-141  
  ③H4501F3 MAG-S-151  
       
       
BS 3075
Spec. for nickel and
  ①B164    
  ③H4554    
    BS3436
Spec. for ingot zinc
Zn1 ③H2107
      Zn2  
         
         


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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