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Grade 304 is the standard "18/8" stainless; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other. It has excellent forming and welding characteristics. The balanced austenitic structure of Grade 304 enables it to be severely deep drawn without intermediate annealing, which has made this grade dominant in the manufacture of drawn stainless parts such as sinks, hollow-ware and saucepans. For these applications it is common to use special "304DDQ" (Deep Drawing Quality) variants. Grade 304 is readily brake or roll formed into a variety of components for applications in the industrial, architectural, and transportation fields. Grade 304 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 304L, the low carbon version of 304, does not require post-weld annealing and so is extensively used in heavy gauge components (over about 6mm). Grade 304H with its higher carbon content finds application at elevated temperatures. The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

 

Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). Grade 316H, with its higher carbon content has application at elevated temperatures, as does stabilised grade 316Ti.

The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

 

Stainless Steel Comparison Chart

China
GB 1220-92

Russia
GOST 5632-72

Japan
JIS G4303-91

USA
ASTM
A276-96

Belgium
BS970Part1
BSEN10088-1-95

Germany
DIN17400-96
DINEN10088-1-95

France
NFA35-578-91
NFEN10088-1-95

ISO
683/13-86
TR4956/84

1Cr17Mn6Ni5N

-

SUS201

201

X12CrMnNiN

17-7-5

X12CrMnNiN

17-7-5

X12CrMnNiN 17-7-5

A-2

1Cr18Mn8Ni5N

12KH17G9AH4

SUS202

202

X12CrMnNiN

18-9-5

X12CrMnNiN

18-9-5

X12CrMnNiN 18-9-5

A-3

1Cr17Ni7

-

SUS301

301

BS970Part1-96 301S21

-

NFA35-574-95 Z12CN17.07

14

1Cr18Ni9

12KH18H9

SUS302

302

302S31

DIN17440-96 X12CrNi18-9

Z10CN18.09

12

Y1Cr18Ni9

-

SUS303

303

303S31

X12CrNiS18-9

Z10CNF18.09

17

Y1Cr18Ni9Se

12KH18H10E

SUS303Se

303Se

303S42

-

-

17a

0Cr18Ni9

08KH18H10

SUS304

304

304S31

X5CrNi18-10

Z7CN18.09

11

00Cr19Ni11

03KH18H11

SUS304L

304L

304S11

X2CrNi19-11

X2CrNi19-11

10

0Cr19Ni9N

-

SUS304N1

304N

-

-

-

-

0Cr19Ni10NbN

-

SUS304N2

XM21

-

-

-

-

00Cr18Ni10N

-

SUS304LN

-

X2CrNiN18-10

X2CrNiN18-10

X2CrNiN18-10

10N

1Cr18Ni12

12KH18H12T

SUS305

305

X4CrNi18-12

X4CrNi18-12

X4CrNI18-12

13

0Cr23Ni13

-

SUS309S

309S

-

-

NFA35-578-91 Z15CN23-13

15

0Cr25Ni20

-

SUS310S

310S

310S31

-

Z8CN25-20

16

0Cr17Ni12Mo2

08KH17H13M2T

SUS316

316

316S31

X5CrNiMo17-12-2

Z7CND17-12-2

20

20a

0Cr18Ni12Mo2Ti

08KH17H13M2T

SUS316Ti

316Ti S31635

320S31

X6CrNiMoTi17-12-2

X6CrNiMoTi17-12-2

21

00Cr17Ni14Mo2

03KH17H14M2

SUS316L

316L

316S13

X2CrNiMo18-14-3

X2CrNiMo17-12-2

19

19a

0Cr17Ni12Mo2N

-

SUS316N

316N

X5CrNiMo17-12-2

X5CrNiMo17-12-2

X5CrNiMo17-12-2

-

00Cr17Ni13Mo2N

-

SUS316LN

316LN

X2CrNiMo17-11-2

X2CrNiMoN17-11-2

X2CrNiMo17-11-2

19N

19aN

0Cr18Ni12Mo2Cu2

-

SUS316J1

-

-

-

-

-

00Cr18Ni14Mo2Cu2

-

SUS316JIL

-

-

-

-

-

0Cr19Ni13Mo3

08KH17H15M3T

SUS317

317

316S33

X5CrNiMo17-13-3

-

-

00Cr19Ni13Mo3

03KH16H15M3

SUS317L

317L

Part-4 317S12

X2CrNiMo18-15-4

X2CrNiMo18-15-4

24

0Cr18Ni16Mo5

-

SUS317J1

-

-

-

-

-

1Cr18Ni9Ti

12KH18H10T

-

321

321S31

X6CrNitI18-10

X6CrNiTi18-10

11

0Cr18Ni10Ti

08KH18H10T

SUS321

321

321S31

X6CrNiTi18-10

X6CrNiTi18-10

15

0Cr18Ni11Nb

08KH18H12B

SUS347

347

347S31

X6CrNiNb18-10

X6CrNiNb18-10

16

0Cr18Ni9Cu3

 

SUSXM7

XM7

X3CrNiCu18-9-4

X3CrNiCu18-9-4

X3CrNiCu18-9-4

-

0Cr18Ni13Si4

-

SUSXM15J1

XM15

-

-

-

-

0Cr26Ni5Mo2

-

SUS329J1

-

-

-

-

-

1Cr18Ni11Si4AlTi

15KH18H12G4TYU

-

-

-

-

-

-

0Cr13Al

-

SUS405

405

405S31

X6CrAl13

X6CrAl13

5

00Cr12

-

SUS410L

-

-

-

Z3CT12

-

1Cr17

12KH17

SUS430

430

430S17

X6Cr17

X6Cr17

8

YCr17

 

SUS430F

-

-

X6CrMoS17

-

8a

1Cr17Mo

 

SUS434

-

X6CrMo17-1

X6CrMo17-1

X6CrMo17-1

9c

00Cr30Mo2

 

SUS447J1

-

-

-

-

-

00Cr27Mo

 

SUSXM27

XM27

-

-

-

-

1Cr12

 

SUS403

403

410S21

X6Cr13

X6Cr13

3

1Cr13

12KH13

SUS410

410

410S21

X12Cr13

-

3

0Cr13Ae

 

SUS405

405

403S17

X6Cr13

X6Cr13

1

Y1Cr13

 

SUS416

-

416S21

-

X12CrS13

7

1Cr13Mo

 

SUS410J1

-

-

-

-

X12CrM126

2Cr13

20KH13

SUS420J1

420

420S37

X20Cr13

X20Cr13

4

3Cr13

30KH13

SUS420J2

420

420S37

X30Cr13

X30Cr13

5

Y3Cr13

 

SUS420F

-

-

-

-

-

4Cr13

40KH13

-

-

X46Cr13

X46Cr13

X46Cr13

-

1Cr17Ni2

14KH17H2

SUS431

431

431S29

X17CrNi16-2

X17CrNi16-2

96

7Cr17

 

SUS440A

-

-

-

-

-

8Cr17

 

SUS440B

-

-

-

-

-

9Cr17

95KH18

SUS440C

-

-

-

-

-

11Cr17

 

SUS440C

-

-

-

-

-

Y11Cr17

 

SUS440F

-

-

-

-

-

9Cr18Mo

 

SUS440C

440C

-

-

-

-

9Cr18MoV

 

-

-

X90CrMoV18

X90CrMoV18

X90CrMoV18

-

0Cr17Ni4Cu4Nb

 

SUS630

ASTM A564M-95 S17400

-

-

ISO683/16-76

1

 
Steel Specifications

 

Standard Specific Links