Stainless steel standards

A comparison of materials standards

The different elements that make up an alloy result in special material properties. The following table allows a comparison of German material numbers with other internationally used designations from France, Great Britain and the USA.

PLEASE NOTE: The following information is provided as guidance only, with no guarantee being given.


Table: Comparison of international stainless steel material standards

German material no.

Code designation

AISI (USA)

AFNOR (France)

B.S. (Great Britain)

13% chromium steels
1.4005 X6CrS13 416 Z12CF13 416 S 21
1.4006   410 CA-15   410 C 21/ ANC 1 A
1.4021   420   420 S 37

17% chromium and chromium molybdenum steels

1.4016 X12Cr17 430 Z8C17 43ß S 17
1.4057 X2OCrNi17-2 431 Z15CN16-02 431 S 29
1.4104 X12CrMoS17 430F Z13CF17  
1.4122 X35CrMo17      

Austenitic chromium-nickel steels

1.4301 X5CrNi18-10 304 Z4CN10-10FF 304 S 11/15/16/17
    304H Z5CN17-08 LW21
      Z6CN18-09 LWCF21
      Z7CN19-08 304 S 31
1.4303 X5CrNi18-12 305/308 Z5CN 8 - 11F 305 S 17/19
1.4305 X1 OCrNiS18-9 303 Z8CNF18-09 303 S 22
1.4306 X2CrNi19-11 304L Z1CN18-12 304 S 11
      Z2CN18-10 LW20
      Z3CN19-10M LWCF20
      Z3CN18-10 304 C 12
      Z3CN18-11 305 S 11
      Z3CN19-10F  
1.4310 X12CrNi17 7 301 Z12C N17-07  
1.4541 X6CrNiTi18-10 321 Z8CNT18-10 321 S 31
        321 S 51
        LW24
        LWCF24
1.4550 X6CrNiNb18-10 347 Z8CNNb18-10 347 S 31
1.4567 X3CrNiCu18-9 304    
         

Austenitic chromium-nickel-molybdenum steels

1.4401 X5CrNiMo17-12-2 316 Z3CND17-11-01 316 S 13
  X4CrNiMo17-12-2   Z6CND17-11 316 S 17
      Z6CND17-11-02FF 316 S 19
      Z7CND1711-02 316 S 31
      Z7CND17-12-02 316 S 33
1.4404 X2CrNiMo17-13-2 316L Z2CND17-12 316 S 11
  X2CrNiMo17-12-2   Z2CND18-13 316 S 13
      Z3CND17-11-02 316 S 14
      Z3CND17-12-02FF 316 S 31
      Z3CND18-12-02 316 S 42
      Z3CND18-12-03  
      Z3CND18-14-03  
1.4435 X2CrNiMo18-14-3 316L Z3CND17-12-03 316 S 11
      Z3CND18-14-03 316 S 13
        316 S 14
        316 S 31
        LW22
        LWCF22
1.4438 X2CrNiMo18-16-4 317L Z2CND19-15 317 S 12
1.4439 X2CrNiMoN17-13-5 317LNM    
1.4571 X8CrNiMoTi17-12-2 316Ti Z6CND17-12 320 S 18/31

Ferritic-austenitic chromium-nickel-molybdenum steels

1.4462 X2CrNiMoN22-5-3   Z3CND22-05-AZ 318 S 13
      Z3CND24-08-AZ  
      Z3CND25-06-03-AZ  
1.4713 X10CrA17      
1.4828 X15CrNiSi20-10 309 Z19CN24-13 309 S 24
      Z17CNS20-12  
1.4841 X15CrNiSi25-20 314,310 Z15CNS25-20 314 S 25
1.4980 X5NiCrTi26-15