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Equivalent Grades
ASTM (USA)
UNS (USA)
B.S.
EN/DIN (Germany)
AFNOR NF (France)
UNI
SS
JIS (Japan)
GB/PR
KS
(UK)
(Italy)
(Sweden)
(China)
(Korea)
General service and wet corrosion
Austenitic
304
S30400
304S31/
1.4301
Z7 CN 18-09/
X5CrNi18 10
2333
SUS 304
0Cr18Ni9
STS 304
304S15
Z6 CN 18-09
304L
S30403
304S11
1.4306
Z2 CN 18-10
X2CrNi18 11
2352
SUS 304L
00Cr19Ni10
STS 304L
1.4307
Z3 CN 18-10
304N
S30451
304S71
1.6907
—
—
—
—
—
304LN
S30453
304S61
1.4311
Z3 CN 18-10 Az
2371
SUS 304LN
00Cr 18Ni10N
STS 304LN
316
S31600
316S31
1.4401
Z7 CND 17-11-02
X5CrNiMo17 12
2347
SUS 316
0Cr17Ni12Mo2
STS 316
316S33/ 316S31
1.4436
Z7 CND 18-12-03
X5CrNiMo17 13
2343
316L
S31603
316S11/ 316S14
1.4404
Z3 CND 17-11-02/
X5CrNiMo17 12
2348
SUS 316L
00Cr17Ni14Mo2
STS 316L
Z3 CND 18-12-02
316S13/ 316S11
1.4435
Z3 CND 18-14-03
X2CrNiMo17 13
2353
316N
S31651
—
—
—
—
—
—
—
316 LN
S31653
316S61
1.4406
Z3 CND 17-11 Az
—
SUS 316LN
00Cr17Ni12Mo2N
STS 316LN
316Ti
S31635
320S31
1.4571
Z6 CNDT 17-12
X6CrNiMoTi17 13
2350
SUS 316Ti
0Cr18Ni12Mo2Ti
STS 316Ti
316H
S31609
316S52
1.4401/ 1.4919
Z6 CND 17-12B
X8CrNiMo17 12
—
—
—
—
321
S32100
321S31
1.4541
Z6 CNT 18-10
X6CrNiTi18 11
2337
SUS 321
1Cr18Ni9Ti
STS 321
317
S31700
317S16
1.4449
—
—
SUS 317
317L
S31703
317S12
1.4438
Z3 CND 19-15-04
2367
SUS 317L
00Cr19Ni13Mo3
STS 317L
347
S34700
347S31
1.455
Z6 CNNb 18-10
X6CrNiNb18 11
2338
SUS 347
0Cr18Ni11Nb
STS 347
904L
N08904
904S13
1.4539
Z2 NCDU 25-20
2562
—
—
STS 317J5L
Duplex
—
S31803
—
1.4462
Z2 CND 22-05 Az
2377
—
—
—
2205
S32205
318S13
1.4462
Z3 CND 22-05 Az
2377
SUS 329J3L
00Cr22Ni5Mo3N
STS 329J3L
Ferritic
405
S40500
405S17
1.4002
Z6 C Al 13
—
SUS 405
410
S41000
410S21
1.4006
Z12C13
X12Cr13
2302
SUS 410
1Cr12
STS 410
430
S43000
430S17
1.4016
Z8 C17
X8Cr17
2320
SUS 430
1Cr17
STS 430
430Ti
—
—
1.451
Z8 CT17
—
SUS 430LX
—
—
Super Duplex
—
S32750
—
1.441
—
—
—
—
—
—
S32750
—
—
—
—
—
—
—
Heat resistant
Austenitic
304H
S30409
304S51
1.4948
Z6 CN 18-09
X8CrNi18 10
2333
SUS 304
1Cr18Ni9
STS 304
321H
S32109
321S51
1.4878
Z6 CNT 18-10
X8CrNiTi18 11
2337
SUS 321
347H
S34709
316Sxx
1.4961
—
X8CrNiNb18 11
2347
—
—
—
310S
S31008
310S16/ 310S24
1.4845
Z8 CN 25-20/
X6CrNi25 20
2361
SUS 310S
0Cr25Ni20
STS 310S
Z12 CN 25-20
310H
S31009
—
—
—
—
—
—
—
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