Stainless Steels – Specifications

Stainless steel is essentially a low carbon steel which contains chromium at 10% or more by weight. It is this addition of chromium that gives the steel its unique stainless, corrosion resisting properties. The corrosion resistance and other useful properties of the steel are enhanced by increased chromium content and the addition of other elements such as molybdenum, nickel and nitrogen.

Grades – Chemical Composition and Equivalent Standards 

AISI ASTM EN DIN C % Max Mn % Max Si % Max S % Max P % Max Cr % Max Ni % Max Mo % Max Others %
201 0.15 5.5-7.5 1.00 0.030 0.060 16.00-18.00 3.50-5.50
202 0.15 7.5-10 1.00 0.030 0.060 17.00-19.00 4.00-6.00
302 1.4310 0.15 2.00 1.00 0.030 0.045 17.00-1900 8.00-10.00
302HQ 1.4567 0.03 2.00 1.00 0.030 0.045 17.00-19.00 9.00-10.00 Cu : 3.00-4.00
303 1.4305 0.15 2.00 1.00 0.15 Min 0.20 17.00-1900 8.00-10.00 Cu : 1% max
303EHS 0.15 2.00 1.00 0.30-0.33 0.20 17.00-19.00 8.00-10.00 Cu : 1% max
304 1.4301 0.08 2.00 1.00 0.030 0.045 18.00-20.00 8.00-11.00
304HC 0.05 2.00 1.00 0.030 0.045 18.00-20.00 8.50-9.50 Cu : 2.00-2.50
304L 1.4306 0.03 2.00 1.00 0.030 0.045 18.00-20.00 8.00-12.00
308LER 1.4331 0.02 1.5-2.0 0.50 0.020 0.025 19.00-21.00 9.50-11.00
309LER 1.4332 0.03 1.5-2.0 0.50 0.015 0.020 23.00-25.00 12.00-14.00
310 1.4841 0.25 2.00 1.50 0.030 0.045 24.00-26.00 19.00-22.00
310S 1.4842 0.08 2.00 1.50 0.030 0.045 24.00-26.00 19.00-22.00
316 1.4401 0.08 2.00 1.00 0.030 0.045 16.00-18.00 10.00-14.00 2.00-3.00
316L 1.4404 0.03 2.00 1.00 0.030 0.045 16.00-18.00 10.00-14.00 2.00-3.00
316LER 1.4430 0.02 1.5-2.0 0.50 0.020 0.020 18.00-20..00 12.00-14.00 2.00-2.75
316Ti 1.4571 0.08 2.00 1.00 0.030 0.045 16.00-18.00 10.00-14.00 2.00-3.00 Ti : Min (5xC%)
317LN 1.4438 0.03 2.00 1.00 0.030 0.045 18.00-20.00 11.00-15.00 3.00-4.00 N : 0.10-0.22
321 1.4541 0.08 2.00 1.00 0.030 0.045 17.00-19.00 9.00-12.00 Ti : Min (5xC%)
410 1.4006 0.15 1.00 1.00 0.030 0.040 11.50-13.50
416 1.4005 0.15 1.25 1.00 0.15 Min 0.060 12.00-14.00
416XM 0.15 1.25 1.00 030-0.33 0.060 12.00-14.00
420 1.4021 0.15 Min 1.00 1.00 0.030 0.040 12.00-14.00
430 1.4016 0.12 1.00 1.00 0.030 0.040 16.00-18.00
430L 0.03 1.00 1.00 0.030 0.040 16.00-18.00
430F 1.4104 0.12 1.25 1.00 0.15 Min 0.060 16.00-18.00
431 1.4057 0.20 1.00 1.00 0.030 0.040 15.00-17.00 1.25-2.50

Benefits of Stainless Steel

• Corrosion Resistance • Fire And Heat Resistance
• Hygiene • Aesthetic Appearance
• Strength-To-Weight Advantage • Impact Resistance
• Lower Total Life Cycle Cost • 100%Recyclable

Theoritic Weight of Stainless Steel Round Bars

Size (mm) Weight kgs/ meter Size (mm) Weight kgs/ meter
2 0.025 16 1.595
3 0.056 17 1.801
4 0.100 18 2.019
5 0.156 19 2.250
6 0.224 20 2.493
7 0.305 21 2.748
8 0.399 22 3.016
9 0.505 23 3.297
10 0.623 24 3.590
11 0.754 25 3.895
12 0.897 26 4.213
13 1.053 28 4.886
14 1.221 30 5.609
15 1.402 32 6.382
34 7.204 85 45.026
35 7.634 90 50.479
36 8.077 95 56.244
38 8.999 100 62.320
40 9.971 105 68.708
45 12.620 110 75.407
50 15.580 115 82.418
55 18.852 120 89.741
58 20.964 125 97.375
60 22.435 130 105.321
65 26.330 135 113.578
70 30.537 140 122.147
75 35.055 145 131.028
80 39.885 150 140.220

Conversion of Inch to millimeter and their corresponding weight

Inch Inch (Dec) Size (mm) Weight kgs/ meter
1/8″ 0.125 3.175 0.063
3/16″ 0.188 4.763 0.141
1/4″ 0.250 6.350 0.251
5/16″ 0.313 7.938 0.393
3/8″ 0.375 9.525 0.565
7/16″ 0.438 11.113 0.770
1/2″ 0.500 12.700 1.005
5/8″ 0.625 15.875 1.571
3/4″ 0.750 19.050 2.262
7/8″ 0.875 22.225 3.078
1″ 1.000 25.400 4.021
1-1/8″ 1.125 28.575 5.089
1-3/16″    1.188 30.163 5.670 3-3/16″    3.188
1-1/4″ 1.250 31.750 6.282
1-5/16″    1.313 33.338 6.926 3-5/16″    3.313
1-3/8″ 1.375 34.925 7.602
1-7/16″    1.438 36.513 8.308 3-7/16″    3.438
1-1/2″ 1.500 38.100 9.046
1-5/8″ 1.625 41.275 10.6171
1-3/4″ 1.750 44.450 12.313
1-7/8″ 1.875 47.625 14.135
2″ 2.000 50.800 16.083
2-1/8″ 2.125 53.975 18.156
2-3/16″    2.188 55.563 19.239 4-3/16″    4.188
2-1/4″ 2.250 57.150 20.354
2-5/16″    2.313 58.738 21.501 4-5/16″    4.313
2-3/8″ 2.375 60.325 22.679
2-7/16″    2.438 61.913 23.888 4-7/16″    4.438
2-1/2″ 2.500 63.500 25.129
2-5/8″ 2.625 66.675 27.705
2-3/4″ 2.750 69.850 30.406
2-7/8″ 2.875 73.025 33.233
3″ 3.000 76.200 36.186
3-1/8″ 3.125 79.375 39.264
80.963 40.850 5-3/16″    5.188 131.763 
3-1/4″ 3.250 82.550 42.468
84.138 44.117 5-5/16″    5.313 134.938 
3-3/8″ 3.375 85.725 45.798
87.313 47.509 5-7/16″    5.438 138.113 
3-1/2″ 3.500 88.900 49.253
3-5/8″ 3.625 92.075 52.834
3-3/4″ 3.750 95.250 56.540
3-7/8″ 3.875 98.425 60.372
4″ 4.000 101.600   64.330
4-1/8″ 4.125 104.775  68.414
106.363 70.503
4-1/4″ 4.250 107.950   72.623
109.538   74.774
4-3/8″ 4.375 111.125   76.958
112.713   79.172
4-1/2″ 4.500 114.300   81.418
4-5/8″ 4.625 117.475   86.004
4-3/4″ 4.750 120.650   90.716
4-7/8″ 4.875 123.825   95.553
5″ 5.000 127.000   100.516
5-1/8″ 5.125 130.175   105.605
 108.196
5-1/4″ 5.250 133.350   110.819
 113.473
5-3/8″ 5.375 136.525   116.159
 118.876
5-1/2″ 5.500 139.700   121.624
5-5/8″ 5.625 142.875   127.215
5-3/4″ 5.750 146.050   132.932
5-7/8″ 5.875 149.225   138.775
6″ 6.000 152.400   144.743

Theoritic Weight of Stainless Steel Hex & Square Bars

Size (mm) Weight (Hex) kg/ meter Weight (Square) kg/ meter

5

0.172

 0.197

6

0.248

 0.283

8

0.441

 0.504

10

0.689

 0.787

12

0.992

1.134

14

1.350

1.543

15

1.550

1.771

16

1.763

 2.015

17

1.991

2.275

18

2.232

2.551

19

2.487

2.842

20

 2.755

3.149

21

3.038

3.472

22

3.334

3.810

24

 3.967

4.534

25

 4.305

4.920

27

 5.021

5.739

28

 5.400

6.172

30

 6.199

 7.085

32

 7.053

 8.061

34

7.963

 9.100

35

8.438

9.643

36

8.927

 10.202

38

9.946

11.367

40

11.021

12.595

42

12.150

13.886

45

13.948

 15.941

50

17.220

19.680

Tolerance Chart for SS Round Bars as per ISO

Size Range (mm) h8 h9 h10 h11 h12 h13 K12/K13
Upto 6 -0.018 -0.030 -0.048 -0.075 -0.120 -0.180
Over 6 upto 10 -0.022 -0.036 -0.058 -0.090 -0.150 -0.220
Over 10 upto 18 -0.027 -0.043 -0.070 -0.110 -0.180 -0.270
Over 18 upto 30 -0.033 -0.052 -0.084 -0.130 -0.210 -0.330 +0.10/+0.15
Over 30 upto 50 -0.039 -0.062 -0.100 -0.160 -0.250 -0.390 +0.15/+0.20
Over 50 upto 80 -0.046 -0.074 -0.120 -0.190 -0.300 -0.460 +0.20/+0.25
Over 80 upto 120 -0.054 -0.087 -0.140 -0.220 -0.350 -0.540 +0.25/+0.30

Tolerance Chart For SS Round Bars as per ASTM A 484

Cold Finished Round Bars

Size Range in Inch Tolerance
1/16” to less than 5/16” +/- 0.001”
5/16” to less than 1/2” +/- 0.0015”
1/2” to less than 1” +/- 0.002”
1” to less than 1-1/2” +/- 0.0025”
1-1/2” to less than 4” +/- 0.003”

Cold Finished Hexagon & Square Bars

Size Range in Inch Tolerance
1/16” to less than 5/16” +/- 0.002”
5/16” to less than 1/2” +/- 0.003”
1/2” to less than 1” +/- 0.004”
1” to less than 2” +/- 0.006”
2” to less than 3” +/- 0.008”
3″ and over +/- 0.010”

Hardness Conversions Chart

Brinnel Hardness HB Vickers Hardness HV Rockwell Hardness HRC Rockwell Hardness HRB Tensile Strength ksi
321 339 34 108 158
311 328 33 108 154
302 319 32 107 150
293 309 31 106 146
285 301 30 105 142
277 292 29 104 138
269 284 28 104 135
262 276 27 103 131
255 269 25 102 125
248 261 24 101 121
241 253 23 100 119
235 247 22 99 117
229 241 21 98 113
223 234 97 110
217 228 96 107
212 222 95 102
207 218 95 100
202 212 94 98
197 207 93 96
192 202 92 94
187 196 91 90
183 192 90 89
179 188 89 87
174 182 88 84
170 178 87 82
166 175 86 80
163 171 85 78
159 167 84 77
156 163 83 76
153 160 82 75
149 156 81 74
146 153 80 72
143 150 79 71
140 147 78 70
137 143 76 67
134 140 75 66
131 137 74 65
128 134 73 64
126 132 72 63
124 129 71 62
121 127 70 60
118 124 69 59
116 122 68 58
114 119 67 57
111 117 66 56

4

Super austenitic stainless steels:

 

 

 

 

S31254

S31254

 

1.4547; F44

N08367

AL‐6XN

 

 

N08904

904L

 

1.4539

Steels type Duplex and Super Duplex (Ferretic-Austenitic):

 

 

 

 

S31803

Duplex S31803

 

1.4462; F51

S32550

Ferralium 255

 

1.4507; F61

S32760

Supper duplex F55

 

1.4501

S32750

Super duplex S32750

 

1.4410; F3

4

Super Alloys Cr, Ni, Mo,….

 

 

 

 

S17400

17‐4PH

 

1.4542; A564 Gr630

N08020

20Cb3

 

Alloy 20; 2.4660

N10675

Hastelloy B3

 

2.4617

N06022

Hastelloy C22

 

2.4602

N10276

Hastelloy C276

 

2.4819

N06455

Hastelloy C4

 

2.4610

N08028

Incoloy 028

 

1.4563;Sanicro28

N08330

Incoloy 330

 

1.4333

N08800

Incoloy 800

 

1.4876

N08810

Incoloy 800H

 

1.4876;1.4958

N08811

Incoloy 800HT

 

1.4876;1.4959

N08825

Incoloy 825

 

2.4858

S66286

Incoloy A286

 

1.4980;A638Gr 660

N08330

Incoloy DS

 

1.4864

N06600

Inconel 600

 

2.4816

N06601

Inconel 601

 

2.4851

N06625

Inconel 625

 

2.4856

N07718

Inconel 718

 

2.4668

N07750

Inconel X750

 

2.4669

N04400

Monel 400

 

2.4360

N05500

Monel K500

 

2.4375

Werkstoff‐Nr.

DIN.

AISI.

UNS.

AFNOR.

BS.

JIS

SS.

GOST

1.4000

X6Cr13

403(410S)

S 41008

Z6C13

403 S17

SUS 403

2301

08Ch13

 

(X7Cr13)

 

 

 

 

 

 

 

1.4002

X6CrAI13

405

S 40500

Z6CAI13

405 S17

SUS 405

08Ch11NYU

 

(X7CrAl13)

 

 

 

 

 

 

 

1.4006

X10Cr13

410

S 41000

Z12C13

410 S21

SUS 410

2302

12Ch13

1.4016

X6Cr17

430

S 43000

Z8C17

430 S15

SUS 430

2320

12Ch17

 

(X8CR17)

 

 

 

430 S17

 

 

 

1.4021

X20Cr13

420

S 42000

Z20C13

420 S29

SUS 420J1

2303

20Ch13

 

 

 

 

 

420 S37

SUS 420J2

 

 

 

 

 

 

 

420 S45

 

 

 

1.4024

X15Cr13

410

S 41000

420 S29

SUS 410J1

 

 

 

 

 

410 S21

 

 

 

1.4028

X30Cr13

420

S 42000

Z30C13

420 S45

SUS 420J2

2304

30Ch13

1.4031

X38Cr13

420

S 42000

Z40C14

SUS 420J2

2304

40Ch13

 

(X40Cr13)

 

 

 

 

 

 

 

1.4034

X46Cr13

420

S 42000

Z40C14

420 S45

40Ch13

 

 

 

 

Z38C13M

 

 

 

 

1.4057

X20CrNi172

431

S 43100

Z15CN16‐02

431 S29

SUS 431

2321

20Ch17N2

 

(X22CrNi17)

 

 

 

 

 

 

 

1.4510

X6CrTi17

XM8

Z8CT17

SUS 430LX

08Ch17T

 

(X8CrTi17)

430Ti

 

 

 

 

 

 

1.4512

X6CrTi12

409

S 40900

Z6CT12

409 S19

SUH 409

 

 

 

 

 

409 S17

 

 

 

1.4301

X5CrNi1810

304/304H

S 30400

Z6CN18‐09

304 S31

SUS 304

2332

08Ch18N10

 

(X5CrNi189)

 

 

 

 

 

 

 

1.4305

X10CrNiS189

303

S 30300

Z10CNF18‐09

303 S21

SUS 303

2346

 

(X12CrNiS188)

 

 

 

 

 

 

 

1.4306

X2CrNi1911

304L

S 30403

Z2CN18‐10

304 S12

SCS 19

2352

03Ch18N11

 

(X2CrNi189)

 

 

Z3CN19‐10M

304 C12

SUS 304L

2333

 

 

(G‐X2Cr189)

 

 

Z2CN18‐09

304 S11

 

 

 

1.4310

X12CrNi177

301

S 30100

Z12CN17‐07

301 S21

SUS301

 

 

 

 

Z12Cn18‐07

 

 

 

 

1.4311

X2CrNiN1810

304LN

S 30453

Z2CN18‐10Az

304 S62

SUS 304LN

2371

1.4401

X5CrNiMo17122

316

S 31600

Z6CND17‐11

316 S16

SUS 316

2347

1.4404

X2CrNiMo17132

316L

S 31603

Z2CND 18‐13

316 S14

SUS 316L

2348

 

(X2CrNiMo1810)

 

 

Z2CND17‐12

 

 

 

 

 

(GX2CrNiMo1810)

 

 

 

 

 

 

 

1.4429

X2CrNiMoN17133

316LN

S 31653

Z2CND17‐13

SUS 316LN

2375

 

(X2CrNiMoN1813)

 

 

 

 

 

 

 

1.4435

X2CrNiMo18143

316L

S 31603

Z2CND17‐13

316 S11

SCS 16

2353

03Ch17N14

 

(X2CrNiMo1812)

 

 

 

316 S12

SUS 316L

 

M2

 

 

 

 

 

316 S13

 

 

 

1.4436

X5CrNiMo17133

316

S31600

Z6CND17‐12

316 S16

SUS 316

2343

 

(X5CrNiMo1812)

 

 

 

316 S33

 

 

 

1.4438

X2CrNiMo18164

317L

S 31703

Z2CND19‐15

317 S12

SUS 317L

2367

 

(X2CrNiMo1816)

 

 

 

 

 

 

 

1.4439

X2CrNiMoN17135

317LNM

S 31726

Z2CND19‐15

317 S16

1.4449

X5CrNiMo1713

317

317 S16

SUS 317

1.4465

X1CrNiMoN25252

N 08310

1.4505

X5CrNiMoCuNb2018

07Ch17N20

 

 

 

 

 

 

 

 

M2D2T

1.4521

X2CrMoTi182

440

S 44400

2326

1.4529

X1NiCrMoCuN25206

N08925

1.4539

X1NiCrMoCu25205

904L

N 08904

Z1NCDU25‐

2562

 

 

 

 

2004

 

 

 

 

1.4541

X6CrNiTi1810

321

S 32100

Z6CNT18‐10

321 S12

SUS 321

2337

1Ch18N12T

 

(X10CrNiTi189)

 

 

 

321 S20

 

 

 

 

 

 

 

 

(321 S31)

 

 

 

1.4550

X6CrNiNb1810

347

S 34700

Z6CNNb18‐10

347 S17

SUS 347

2338

08Ch18N128

 

(X10CrNiNb189)

 

 

 

347 S31

 

 

 

1.4558

X2NiCrAlTi3220

N 08800

1.4563

X1NiCrMoCuN31274

N 08028

Z1NCDU31273A

 

 

 

 

z

 

 

 

 

1.4571

X6CrNiMoTi17122

316Ti

S 31635

Z6CNDT17‐12

320 S31

2350

10Ch17N13M2T

 

(X10CrNiMoTi1810)

 

 

 

320 S17

 

 

 

1.4580

X6CrNiMoNb17122

316Cb

Z6CNDNb17‐12

08Ch16N13M2B

 

(X10CrNiMoNb1810)

 

 

Z6CNDNb19‐13

 

 

 

 

1.4583

X10CrNiMoNb1812

318

1.4586

X5CrMoCuNb2218

1.4335

X1CrNi2521

310LC

Z2CN25‐20

1.4713

X10CrA17

Z8CA7

1.4718

X45CrSi93

HNV3

Z45CS9

401 S45

SUH1

1.4724

X10CrAl13

(405)

Z10C13

403 S17

1.4742

X10CrAl18

(430)

Z10CAS18

430 S15

SUS 430

 

 

 

 

 

 

SUH 21

 

 

1.4749

X18CrN28

446‐1

Ch25

1.4762

X10CrAI24

(446)

Z10CAS24

1.4821

X20CrNiSi254

327

Z20CNS25‐04

1.4828

X15CrNiSi2012

309

Z15CNS20‐12

309 S24

SUH 309

Ch24N12S1

1.4833

X7CrNi2314

309S

Z15CN24‐13

SUS 3095

1.4841

X15CrNiSi2520

314/310

Z12CNS25‐20

SUH 310

20Ch25N20S2

1.4845

X12CrNi2521

310 S

Z12CN25‐20

310 S24

SUH 310

2361

10Ch23N18

 

 

 

 

 

 

SUS 310S

 

 

1.4848

(G‐X40CrNiSi2520)

310 C40

SCH 21

1.4864

X12NiCrSi3616

330

N 08330

Z12NCS37‐18

Na 17

SUH 330

 

 

 

 

Z12NCS35‐16

 

 

 

 

 

 

 

 

Z12NC37‐18

 

 

 

 

1.4871

X53CrMnNiN219

EV8

Z52CMN21‐09

349 S54

SUH 35

 

 

 

 

 

 

SUH 36

 

 

1.4876

X10NiCrAITi3320

B163

N 08800

Z8NC32‐21

NA 15(H)

NCF

 

 

 

 

 

 

8000

 

 

1.4876

X10CrNiAPTi3320

B163

N 08810

Z8NC32‐21

NA 15

1.4878

Z12CrNiTi189

321H

Z6CNT18‐12(B)

S21 S20

SUS 321

2337

 

 

 

 

 

(321 S12)

 

 

 

1.4893

S 30815

2368

S 32750

1.4362

S 32304

1.4417

S 31500

1.4460

X4CrNiMo2751

329

S 32900

SUS

2324

 

(XBCrNiMo275)

 

 

 

 

329J1

 

 

 

 

 

 

 

 

SCH 11

 

 

 

 

 

 

 

 

SCH 11

 

 

1.4462

X2CrNiMoN2253

S 31803

Z2CND22‐05Az

S 31200

S 31260

S 32550

S 32950

GRADE

IS

AISI

DIN

AFNOR

JIS

BS

 

SIS

UNS

UNI

INDIA

USA

GERMANY

FRANCE

JAPAN

BRITIAN

SWEDEN

ITALY

 

 

 

 

 

 

 

 

 

 

 

 

 

SS 301

X10 Cr 17Ni 7

301

1.4310

Z 12 CN 17‐08

SUS 301

301 S 21

142331

S 30100

X12 Cr Ni 1707

 

 

 

 

 

 

 

 

 

 

 

SS 304

X02 Cr 19 Ni 10

304

1.4301

Z 6 CN 18‐19

SUS 304

304 S 15

142333

S 30400

X5 Cr Ni 1810

 

 

 

 

 

 

 

 

 

 

 

SS 304L

304L

1.4306

Z 2 CN 18‐10

SUS 304L

304 S 11

142352

S 30303

X2 Cr Ni 1811

 

 

 

 

 

 

 

 

 

 

 

SS 310S

310S

1.4845

 

SUS 310 S

142361

S 31008

X6 Cr Ni 2520

 

 

 

 

 

 

 

 

 

 

 

SS 316

X04 Cr 17 Ni 12 Mo 2

316

1.4401

Z 6 CND 17‐11

SUS 316

316 S 31

142347

S 31600

X8 Cr Ni Mo 1713

 

 

 

 

 

 

 

 

 

 

 

SS 316L

X02 Cr 17 Ni 12 Mo 2

316L

1.4404

Z 2 CND 17‐12

SUS 316L

316 S 31

142338

S 31603

X2 Cr Ni Mo 1712

 

 

 

 

 

 

 

 

 

 

 

SS 321

X04 Cr 18 Ni 10 Ti 20

321

1.4878

Z 6 CNT 18‐12

SUS 321

321 S 31

142337

S 32100

X6 Cr Ni Ti 1811

 

 

 

 

 

 

 

 

 

 

 

SS 409

409

1.4512

Z 5 CT 12

SUS 409

409 S 17

 

S 40900

 

 

 

 

 

 

 

 

 

 

 

SS 410S

410S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SS 430

X10 Cr 17

430

1.4016

Z 8 C 17

SUS 430

430 S 17

142320

S 43000

X12 Cr 17 C

 

 

 

 

 

 

 

 

 

 

 

SS 409M

 

HYFAB 3/12