STAINLESS STEEL
INTERNATIONAL COMPARISON
OF GRADES

AISI / SUS

UNS

German
Alloy No.

German
DIN Alloy

(BS) British 
Standard

B 160

--

2.4068

LC Ni 99

--

B 163

--

1.4876

Z 8 Nc 33.21

3076 NA 15 H

B 164

--

2.4360

Ni Cu 30 Fe

3076 NA 13

B 166

--

2.4816

Ni Cr 15 Fe

3076 NA 14

301

S 30100

1.4310

X 10 CrNi 18 8

301 S 22

303

S 30300

1.4305

X 8 CrNiS 18 9

303 S 31

304

S 30400

1.4301

X 5 CrNi 18 10

304 S 15

304 L

S 30403

1.4306

X 2 CrNi 19 11

304 S 11

309

(S 30900)

1.4828

X 15 CrNiSi 10 12

309 S 24

310 S

S 31008

1.4845

X 12 CrNi 25 21

310 S 24

314

S 31400

1.4841

X 15 CrNiSi 25 20

314 S 25

316

S 31600

1.4401

X 5 CrNiMo 17 12 2

316 S 31

316

S 31600

1.4436

X 3 CrNiMo 17 13 3

316 S 31

316 L

S 31603

1.4404

X 2 CrNiMo 17 12 2

316 S 11

316 L

S 31603

1.4435

X 2 CrNiMo 18 14 3

316 S 11

316 Ti

S 31635

1.4571

S 6 CrNiMoTi 17 12 2

320 S 31

317

S 31700

1.4449

X 5 CrNiMo 17 13

317 S 16

317 L

S 31703

1.4438

X 2 CrNiMo 18 15 4

317 S 12

317 LNM

--

1.4439

X 2 CrNiMoN 17 13 5

--

321

S 32100

1.4541

X 6 CrNiTi 18 10

321 S 31

321

S 32100

1.4878

X 12 CrNiTi 18 9

321 S 31

329

S 32900

1.4460

X 3 CrNiMoN 27 52

--

330

N 08330

1.4864

C 12 NiCrSi 3616

(3076 NA 17)

347

S 34700

1.4550

X 6 CrNiNb 18 10

347 S 31

410

S 41000

1.4006

X 12 Cr 13

410 S 21

416

S 41600

1.4005

X 12 CrS 13

416 S 21

420

S 42000

1.4021

X 20 Cr 13

420 S 37

430

S 43000

1.4016

X 6 Cr 17

430 S 17

430 F

S 43020

1.4104

X 14 CrMoS 17

416 S 21

431

S 43100

1.4057

X 17 CrNi 16 2

431 S 29

440 B

S 44003

1.4112

X 90 CrMoV 18

--

(446)

(S44600)

1.4762

X 10 Cr Al 24

--

446-1

S 44600

1.4749

X 18 CrN 28

--

630

--

1.4542

X 5 CrNiCuNb 16 4

--

416

S41600

1.4005

11

1

--

--

1.4034

X 46 Cr 13

(420 S 45)

--

--

1.4313

X 3 CrNiMo13 4

425 C 11

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