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technical

TOOL STEELS-DIE STEELS

GRADE

SAE/AISI
SPENCH

IS : 7291
IS : 748/49
IS : 4430

C

Mn

Cr

Mo

V

W

H.S.S

M2

T83MoW6Cr4V2

0.80/0.90

 

3.80/4.50

4.80/5.30

1.70/2.00

6.00/6.70

H.S.S

T1

T70W18Cr4V1

0.70/1.10

 

3.80/5.00

 

0.70/1.50

16.50/19.50

H.S.S.*

M35

 

0.80/0.90

 

3.80/4.50

4.80/5.30

2.00/2.30

6.00/6.70

H.S.S.*

T4

 

0.70/1.00

 

3.80/5.00

 

0.70/1.50

16.50/19.50

H.C.H. Cr

D2

XT160Cr12

1.25/1.55

 

11.00/12.00

0.50/1.00

0.60/1.00

 

H.C.H. Cr

D3

XT215Cr12

1.90/2.10

 

11.50/12.50

 

 

 

HOT DIE

H11

XT35Cr5Mo1V3

0.30/0.40

 

4.80/5.20

1.20/1.60

0.30/0.50

 

HOT DIE

H-13

XT35Cr5Mo1

0.30/0.40

 

4.80/5.20

1.20/1.60

0.80/1.10

 

HOT DIE

H-21

 

0.25/0.35

 

3.00/3.50

 

 

8.00/9.00

OHNS

01

T90Mn6WCr2

0.90/1.10

0.90/1.10

0.40/0.60

 

 

0.40/0.60

OHNS

02

 

0.90/1.10

1.40/1.60

 

 

 

 

MY EXTRA

S1

 

0.40/0.50

 

1.00/1.30

 

 

1.50/2.00

MOULD STEEL

P20

 

0.35/0.45

1.30/1.60

1.80/2.00

0.15/0.25

 

 

DIE BLOCK 2714*

6F3

 

0.50/0.60

 

1.00/1.20

0.40/0.15

0.10/0.15

1.50/2.00


NICKLE-CHROMIUM-MOLY BDENUM STEELS

BS : 970
EN : Spench

SAE/AISI
SPENCH

IS : 3930
IS : 4432
IS : 5517

C

Mn

Si

Cr

Ni

Mo

EN- 16

 

35 Mn 6 Mo 3

0.32/0.40

1.30/1.80

0.10/0.35

 

 

0.20/0.35

EN- 19

4140

40 Cr 4 Mo 3

0.38/0.45

0.50/0.80

0.10/0.35

0.90/1.20

 

0.20/0.35

EN- 24

4340

40 Ni6 Cr4 Mo3

0.35/0.45

0.40/0.70

0.10/0.35

0.90/1.30

1.25/1.75

0.20/0.35

EN-25

 

31 Ni 10 Cr3 Mo6

0.27/0.35

0.50/0.70

0.10/0.35

0.50/0.80

2.30/2.80

0.40/0.70

EN-36

 

13 Ni 3 Cr 80

0.15/0.18

0.30/0.60

0.10/0.35

0.60/1.10

3.00/3.75

 

EN-40B

 

25 Cr 13 Mo 6

0.20/0.30

0.40/0.65

0.10/0.35

2.90/3.50

0.25/0.40

0.40/0.70

EN-111

3140

35 Ni 5 Cr 2

0.30/0.40

0.60/0.90

0.10/0.35

0.45/0.75

1.00/1.50

 

EN-353

 

15 Ni Cr 1 Mo12

0.12/0.18

0.60/1.00

0.10/0.35

0.75/1.25

1.00/1.50

0.80/0.15

EN-354

4320

15 Ni 1Cr 1Mo 15

0.12/0.18

0.60/1.00

0.10/0.35

0.75/1.25

1.50/2.00

0.10/0.20


CHROMIUM BEARING STEELS

BS : 970
EN : Spe.

SAE/AISI
SPECN

IS : 4396
IS : 3930
IS : 4432

C

Mn

Si

Cr

EN-31

 

103Cr1

0.95/1.10

0.25/0.45

0.15/0.35

0.90/1.20

EN-31

52100

103Cr2

0.95/1.10

0.25/0.45

0.15/0.35

1.40/1.60

EN-18D

5140

40Cr4

0.38/0.44

0.60/0.90

0.10/0.35

0.90/1.20

EN-48

5147

50Cr4

0.45/0.55

0.60/0.90

0.10/0.35

0.90/1.20


FREE CUTTING STEELS

BS : 970
EN : Spe.

SAE/AISI
SPECN

IS : 4431

C

Mn

Si

S&P

EN-1A

1213

11C10S25

0.08/0.15

0.80/1.20

0.10

0.25/0.05

EN-7

1115

25C12S14

0.20/0.30

1.00/1.50

0.25

0..15/0.05

EN-8M

1140

40C10S18

0.35/0.45

0.80/1.20

0.25

0.20/0.05

EN-15 AM

1137

40C15S12

0.35/0.45

1.30/1.70

0.25

0.10/0.05


CARBON STEELS

BS : 970
EN : Spe.

SAE/AISI
SPECN

IS : 1875
IS : 1570

C

Mn

Si

EN-32B

1015

CI-IA

0.10/0.20

0.60/0.90

0.15/0.35

EN-4

1026

CI-IIA

0.20/0.30

0.60/0.90

0.15/0.35

EN-5

1030

CI-III

0.25/0.35

0.60/0.90

0.15/0.35

EN-8

1040

CI-IV

0.35/0.45

0.60/0.90

0.15/0.35

EN-9

1055

CI-V

0.50/0.60

0.60/0.90

0.15/0.35

EN-42B

1065

CI-VI

0.60/0.70

0.60/0.90

0.15/0.35


CASE HARDENING STEELS

IS
(NEW)

IS
(OLD)

EN

DIN

AISI/SAE

BS

10C4

C10

En 32A

 

1012

 

15C8

C15Mn75

En 32B En32C

Ck15 C15

1016 ,1018

 

15Cr3

15Cr65

En 207

15Cr 3

 

527M20

16Mn5Cr4

17Mn1Cr95

 

16Mn Cr5

 

 

20MnCr5

20MnCr1

 

20MnCr5

 

 

15Ni5Cr4Mo1

15NiCr1Mo12

En 353

 

 

815M17

15Ni7Cr4Mo2

15Ni2Cr1Mo15

En 354

 

4320

820M17

20Ni7Mo2

20Ni2Mo25

En 34

 

4620

665M17

20NiCrMo2

20Ni55Cr50Mo20

En 362

 

8620

805M20

13Ni13Cr3

13Ni3Cr80

En 36A

 

3310

655M13

16Ni3Cr2

16Ni80Cr60

En 351

 

 

635M15

16Ni8Cr6Mo2

16NiCr2Mo20

En 355

17CrNiMo6

 

822M17

20Ni7Cr4Mo2

 

En 325

 

 

 

14CrNi6

 

 

15CrNi6

 

 


STAINLESS STEELS

BS : 970
EN : Spe

SAE/AISI
SPECN

IS : 6529

C

Mn

Si

Cr

Ni

Mo

EN- 58E

304

04Cr18Ni10

0.06/0.08

1.80/2.00

0.80/1.00

18.00/20.00

8.00/10.00

 

 

304L

02Cr18Ni11

0.02/0.04

1.80/2.00

0.80/1.00

18.00/20.00

9.00/11.00

 

EN-58J

316

04Cr17Ni12Mo2

0.05/0.08

1.80/2.00

0.80/1.00

16.00/18.00

10.00/14.00

2.00/3.00

 

316L

02Cr17Ni12Mo2

0.02/0.03

1.80/2.00

0.80/1.00

16.00/18.00

10.00/14.00

2.00/3.00

EN-58B/C

321*

04Cr18Ni10Ti20

0.06/0.08

1.80/2.00

0.80/1.00

17.00/19.00

9.00/13.00

 

EN-56A

410

12Cr13

0.12/0.15

0.80/1.00

0.80/1.00

11.50/13.00

 

 

 

420

20Cr13

0.15/0.20

0.80/1.00

0.80/1.00

12.00/14.00

 

 

EN-57

431

15Cr16Ni2

0.15/0.20

0.80/1.00

0.80/1.00

15.00/17.00

1.25/2.50

 

 

310

10Cr25Ni18

0.15/0.25

1.80/2.00

1.00/1.50

24.00/26.00

19.00/22.00

 

*Ti = 0.30/0.50%


FERRITIS GRADES

430

S43000

0.12

16.0 - 18.0

Mn1.0; P .04;S 1.0;Si 1.0

1.4016

A-580

5627

446

S44600

0.20

23.0 - 27.0

Mn1.5; P .04; S .03; Si 1.0; N .25

1.4762

A-580

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MARTENSITIC GRADES

410

S41000

0.15

11.5 - 13.5

Mn 1.0; P .04; S .03; Si1.0

1.4006

A-580

5613

416

S41623

0.15

12.0-14.0

Mn 1.25;P .06; S .15min; Si 1.0; Mo .60

1.4005

A-581

5610

420

S42000

.15Min

12.0-14.0

Mn 1.0;P .04; S .03; Si 1.0

1.4021

A-580

5621

PRECIPITAON HARDENING GRADES

17-7PH

S17700

0.09 6.50-7.75

16.0-18.0

Al  .75-1.5; Si 1.0; P .04; S .03

1.4568

CHEM(A-693

CHEM
(5528,5529)

A285

S66286

0.86 24.0-27.0

13.5-16.0

Mn2.0;Si1.0;P .040;S .030; Mo1.0-1.5; Al .035

1.4980

 

5731

 

 

 

 

B. .001- .010; Ti 1.90-2.35, V .10-50

 

 

 


NICKEL ALLOYS

ALLOY

TYPICAL CHEMICAL ANALYSIS

DIN

ASTM

AMS

UNS

Ni

C

Mn

Fe

Si

OTHER

NICKEI 200

N02200

99.5 MIN

0.8MAX

0.18

0.20

0.18

CU.13 MAX

2.4066

B-160

 

NICKEI 201

N02201

99.5 MIN

.01 MAX

0.18

0.20

0.18

CU.13 MAX

2.4068

B-160

 

NICKEI 233

N02233

99.5

0.09

0.18

0.05

0.005

Mg.07,Cu.03,Ti.003,S.005

2.4061

 

 

MONEL 400

N04400

66.5

0.15

1.0

1.25

0.50

Cu.31.5,S 0.12

2.4360

B-164

4730,4731

INCONEL 600

N06600

76.0

0.08

0.5

8.0

0.25

Cu25, Cr15.5

2.4816

B-166

5665,5687

INCONEL 601

N06601

60.5

0.05

0.50

14.1

0.25

Cu 50, Cr23

2.4851

 

5715

INCONEL 625’

N06625

61.0

0.08

0.25

2.5

0.25

Cr21.5 MAX, Al.2,Ti.2,Mo9.0MAX, (Cb+Ta)3.65

2.4856

B-446

5837

INCONEL 702’

N07702

79.0

0.04

0.50

1.0

0.35

S .005, Cu .25, Cr 15.5, Ti .60, Al 3.25

 

 

 

INCONEL 718’

N07718

52.5

0.04

0.18

BAL

0.18

Cu.15,Al.50,Ti.90,Cr19.0,S.008,Mo3.05, (Cb+Ta)5.13

2.4668

 

5832

INCONEL 722’

N07722

75.0

0.04

0.50

7.0

0.35

S .005, Cu .25, Al .70, Cr 15.5, Ti 2.38

 

 

5714

INCONEL X-750’

N07750

73.0

0.04

0.50

7.0

0.25

S.005, Cu .25, Al .70 Cr15.5, Ti2.50, (Cb+Ta) .95

2.4669

 

5667,5670
5698,5699

INCONEL 800’

N08800

32.5

0.05

0.75

46.0

0.50

Cr 21.0, Ti .38,Al .38, Cu .38

1.4876

B-408

5766

INCONEL825’

N08825

42.0

0.03

0.50

29.0

0.25

S .015, Ti .90, Al .10, Cu 2.25, Cr21.5, Mo 3.0

2.4858

B-425

 

HASTELLOY B-22

N10665

BAL

>=.02

>=1.00

>=2.0

1.0MAX

Co>=1.0, Cr>=1.0, Mo 26.0-30.0

2.4615,
2.4617

 

 

HASTELLOY  C-2762

N10276

BAL

0.02MAX

1.00MAX

4.0-7.0

0.08

Co 2.50 MAX, Cr 14.5-16.5, W .2-1.0, Mo 15-17

2.4819

B-574

 

HASTELLOY  X2

N06002

BAL

0.05-0.15

1.0MAX

17.0-20.0

1.0MAX

Co .5-2.5, Cr20.5-23.0, W .2-1.0,Mo 8.0-10.0

2.4665

B-572

 

COBALT ALLOYS

HEYNES 25

R30605

9.0-11

0.05-0.15

1.25MAX

3.0MAX

0.40MAX

Co balance, Cr19.0-21.0,W14.0-16.8

2.4967

 

 

L-605

 

 

 

 

 

 

 

2.4964

 

5759

WASPALOY

N07001

BAL

0.2-1.0

10MAX

2.0MAX

0.15MAX

Co13.5, Al 1.3, Cr19.5,Cu.10,Mo4.25,Ti3.0

2.4654

 

5706


COMMERCIALLY PURE TITANIUM

ALLOY

UNS

C

Fe

N

O

H

ASTM

AMS

Ti 35A

GRADE 1

R507

0.08

0.20

0.03

0.18

0.0100

F67GR1

4921.00

Ti 40A

GRADE 2

R507

0.10

0.30

0.03

0.25

0.0100

F67GR2

4921.00

Ti 75A

GRADE 4

R507

0.10

0.50

0.05

0.40

0.0100

F67GR4

4921.00


 

CARBON CONSTRUCTIONAL GRADES

IS
(NEW)

IS
(OLD)

EN

DIN

AISI/SAE

BS

20C8

C20

En 3A

C22

1020

05A20/060A20

25C8

C25 Mn 75

En 4

 

1025

 

30C8

C30

En 5

 

1030

080M30/080A30

35C8

C35 Mn 75

 

Ck35, C35

1035

 

 

 

 

Ck38

1038

 

40C8

C40

En 8

 

1040

080 M 40

45C8

C45

 

Ck45,C45

1045

 

50C8

C50

 

Ck53

1050

 

55C8

C55 Mn 75

En 9

Ck55

1055

070 M 55


 

CASE HARDENING STEELS

IS:1570/1961
DESIGNATION

ASP DESIGNATION

NORMINAL CHEMESTRY

EQUIVALENT SPECIFICATION

C

Mn

Si

S

Cr

Ni

Mo

BS:970
DESIGNATION

SAE
DESIGNATION

DIN
DESIGNATION

GOST
DESIGNATION

C-10

CH-1

0.15

0.60

0.35

0.05

 

 

 

En 32A

1012/1015

 

 

 

 

MAX

 

MAX

 

 

 

 

 

 

 

 

17Mn1Cr95

CH-2

0.17

1.1

0.30

0.05

0.95

 

 

 

 

16Mn Cr 5

 

20Mn1Cr1

CH-3

0.20

1.2

0.30

0.05

1.1

 

 

 

 

20MnCr5

20 xTA

20Ni2Mo25

CH-4

0.17

0.60

0.30

0.05

 

1.8

0.25

En 34

4620

 

15HMA

15Cr65

CH-5

0.17

0.60

0.30

0.05

0.75

 

 

En 207

5115

15Cr3

15 x1

16Ni-80Cr60

CH-6

0.18

0.90

0.30

0.05

0.70

0.80

 

En 351

 

 

 

20Ni55Cr

 

 

 

 

 

 

 

 

 

 

 

 

50Mo20

CH-7

0.18

0.80

0.30

0.05

0.50

0.60

0.22

En 362

8620, 8720

 

 

13Ni3

 

 

 

 

 

 

 

 

 

 

 

 

Cr80

CH-8

0.14

0.60

0.30

0.05

0.80

3.4

 

En 36A

3310

 

 

 

 

 

 

 

 

 

 

 

36B

 

 

 

15NiCr

CH-9

0.17

0.90

0.30

0.05

1.0

1.22

0.12

En 353

 

 

 

1Mo12

CH-10

0.16

0.50

0.30

0.05

0.80

3.4

0.20

En 36C

 

 

 

15Ni2Cr

 

 

 

 

 

 

 

 

 

 

 

 

1Mo15

CH-11

0.17

0.80

0.30

0.05

1.0

1.7

0.15

En 354

4320

 

 

16NiCr

 

 

 

 

 

 

 

 

 

 

 

 

2Mo20

CH-12

0.18

0.60

0.30

0.05

1.5

2.0

0.20

En 355

 

 

 

 

 

0.15

0.50

0.30

0.035

1.5

1.5

 

 

 

15CrNi6

 


ALLOY CONSTRUCTIONAL GRADES

IS
(NEW)

IS
(OLD)

EN

DIN

AISI/SAE

BS

20 C15

20Mn2

En 14A

 

1524

150M28

27C15

27Mn2

En14B

28Mn6

1527

150M28

37C15

37Mn2

En15, En15A

36Mn5

1536

150M36

 

 

 

35 Mn5

1041

 

35Mn6Mo3

35 Mn2Mo28

En16

 

 

605M36

35Mn6Mo4

35 Mn2Mo45

En17

 

 

608M38

40Cr4

40Cr1

En18

37Cr4,39Cr4,41Cr4

5140

530M40

40Cr4Mo3

40Cr1Mo28

En19, En19A

42CrMo4

4140, 4142

708M40

40Ni6Cr4Mo3

40Ni2Cr1Mo28

En24

34CrNiMo6

4340

817M40

31NiOCr3Mo6

31Ni3Cr65Mo55

En25

 

 

826M31

40Ni10Cr3Mo6

40Ni3Cr65Mo55

En26

 

 

826M40

30Ni13Cr5

30Ni4Cr1

En30A

 

 

 

40Ni6Cr4Mo2

40Ni1Cr1Mo15

En110

 

 

816M40

35Ni5Cr2

35Ni1Cr60

En111

 

 

640M40

 

 

 

50CrMo4

4150

 


NITRIDING GRADES

IS
(NEW)

IS
(OLD)

EN

DIN

AISI/SAE

BS

40Cr7Al10Mo2

40Cr2AlMo18

En 41B

41CrAlMo7

 

905M39

 

 

En 41A

34CrAlMo5

 

905M31

 

 

En 30B

 

 

835M30


SPRING STEELS

BS : 970
EN: Spe.

SAE/AISI
SPECN

IS : 3749

C

Mn

Si

Cr

EN-42J

1085

 

0.75/0.90

0.60/0.90

0.20/0.35

 

EN-45

9225

T55Si7

0.55/0.65

0.70/1.00

1.50/2.00

 

EN-47*

6150

T50Cr4V2

0.45/0.55

0.50/0.80

0.30/0.50

0.80/1.20

EN-48

5147

T55Cr3

0.45/0.55

0.60/0.90

0.10/0.35

0.90/1.20

*V : 0.15%



SPRING STEELS

IS
(NEW)

IS
(OLD)

EN

DIN

AISI/SAE

BS

60C6

C60

En 43

C55

1055

080M50

80C6

 

En 42

Ck75

1074

 

65C6

C65

En 42B

 

1065

 

98C6

 

En 44

Ck101

 

 

36Si7

37Si2Mn90

En 46

 

 

 

55Si7

55Si2Mn90

En 45

55Si7

9255

 

50Cr4

50Cr1

En 48

 

5147

 

50Cr4V2

50Cr1V23

En 47

50CrV4

6150

 

60Si7

 

En 45A

 

9260

 


HIGH CARBON HIGH CHROMIUM BEARING STEELS

IS

EN

DIN

AISI/SAE

BS

103Cr1

 

 

51100

 

103Cr2

En 31

100 Cr6

52100

534A99/535A99

103Cr2Mn70

 

 

 

 


TOOLS STEELS

IS

BS

DIN

AISI/SAE

ASP

T55i7Mo3

BS-5

45WCrV7

S-5

SR-2

T40W8Cr5V2

BS-1

60WCrV7

S-1

SR-3

T50W8Cr5V2

BS-1

X37CrMoV51

S-1

SR-4

T35Cr20Mo14W6V3

BH-12

X40CrMoV51

H-12

HW-1

T35Cr20Mo14V11

BH-13

X30WCrV93

H-13

HW-2

XT32W9Cr3V

BH-21

X38CrMoV51

H-21

HW-3

T35Cr20Mo14V3

BH-1

105WCr6

H-11

HW-4

T90Mn6WCr2

BO-1

X100CrMoV51

 

CW-1

 

BA-2

X165CrMoV12

 

CW-2

XT160Cr12

BD-2

X210Cr12

 

CW-3

XT100Cr12

BD-3

C70W2

W1

CW-4

70T3

 

C80W2

W1

CTS-1

80T3

 

C90W2

W1

CTS-2

90T3

BW1A

C100W2

W1

CTS-3

102T3

BW1B

 

 

CTS-4

T60Ni5

224/2

 

 

DB-2

 

224/3

 

 

DB-3

 

224/5

 

 

DB-4

 

224/5

 

 

DB-5

 

 

56NiCrMoV7

 

DB-6


STAINLESS STEEL

IS

EN

DIN

AISI/SAE

BS

AUSTENITIC GRADES

X07Cr18Ni9

En58A

X12CrNi188

302

302S35

X04Cr18Ni11

En58E

X5CrNi189

304

304S15

X02Cr18Ni11

 

X2CrNi189

304L

304S12

X15Cr24Ni13

 

X15CrNiSi2012

309

 

X20Cr25Ni20

 

X15CrNiSi2520

310

310S24

X04Cr25Ni20

 

XCrNi2521

310S

 

X04Cr17Ni12Mo2

En58H

X5CrNiMo1810

316

316S16

X02Cr17Ni12Mo2

 

X2CrNiMo1810

316L

316S12

X04Cr19Ni13Mo3

En58J

X5CrNiMo1713

317

317S16

 

 

X2CrNiMo1812

317L

 

X04Cr18Ni10Ti

En58C

X10CrNiTi189

321

312S12

X04Cr18Ni10Nb

En58G

X10CrNiN6189

347

314S17

FERRITIC GRADES

X07Cr17

En60

XBCr17

430

430S15

X15Cr25N

 

 

446

 

MARTENSITIC GRADES

X12Cr13

 

 

410

410S21

X20Cr13, X30Cr13

En56C, En56D

 

420

420S37

X15Cr16Ni2

En57

X22CrNi17

431

431S29


CONVERSION OF THE GAUGE TO INCH AND MM WITH APPROXIMATE WEIGHT OF STEELS SHEETS

SIZE

INCH

MM

Kg./Sq. Ft.

Kg./Sq. METER

1/ 2”

0.500

12.700

9.340

100.440

7/16”

0.437

11.112

8.172

87.887

3/8”

0.375

9.525

7.005

75.329

5/16”

0.313

7.937

5.837

62.776

1 G

0.300

7.620

5.603

60.261

2 G

0.276

7.010

5.155

55.442

3 G

0.252

6.400

4.707

50.623

4 G

0.232

5.892

4.333

46.604

5 G

0.212

5.384

3.982

42.586

6 G

0.192

4.876

3.586

38.568

7 G

0.176

4.470

3.287

35.355

8 G

0.160

4.064

2.988

32.137

9 G

0.144

3.657

2.690

28.925

10 G

0.128

3.251

2.391

25.712

11 G

0.116

2.946

2.166

23.300

12 G

0.104

2.641

1.942

20.888

13 G

0.092

2.336

1.718

18.481

14 G

0.080

2.012

1.495

16.069

15 G

0.072

1.828

1.345

14.462

16 G

0.064

1.625

1.195

12.856

17 G

0.056

1.422

1.046

11.250

18 G

0.048

1.219

0.896

9.638

19 G

0.040

1.016

0.747

8.032

20 G

0.036

0.914

0.672

7.231

21 G

0.032

0.812

0.598

6.426

22 G

0.028

0.711

0.523

5.625

23 G

0.024

0.609

0.448

4.819

24 G

0.022

0.558

0.411

4.419

25 G

0.020

0.508

0.373

4.013

26 G

0.018

0.457

0.336

3.613

27 G

0.0164

0.416

0.306

3.291

28 G

0.0148

0.375

0.277

2.974

29 G

0.0136

0.345

0.254

2.729

30 G

0.0124

0.314

0.232

2.490


TOLARANCE IN MILLIMETER (SIZE IN METRIC) DIA

 

H11
Turned Bar

H10
Drawn Bar

H9
ground Bar

1 to 3

.060

.040

.025

3 to 6

.075

.048

.030

6 to 10

.090

.058

.036

10 to 18

.110

.070

.043

18 to 30

.130

.084

.052

30 to 50

.160

.100

.062

50 to 80

.190

.120

.074

80 to 120

.220

.140

.087

120 to 180

.250

.160

.100


TOLERANCE IN THOUSANDS OF AN INCH

 

H11
Turned Bar

H10
Drawn Bar

H9
ground Bar

1/16” - 1/8”

.0024

.0016

.0010

1/8” – ¼”

.0029

.0019

.0012

¼” – 3/8”

.0035

.0023

.0014

3/8” – ¾”

.0043

.0028

.0017

¾” – 1-3/16”

.0051

.0033

.0020

1-3/16” – 2”

.0063

.0039

.0025

2” – 3-1/8”

.0074

.0047

.0029

3-1/8” – 4-3/4”

.0086

.0055

.0034

4-3/4” – 7”

.0098

.0063

.0039


CONVERSION FACTORS

TO CONVERT

MULTIPLY
BY

TO CONVERT

MULTIPLY
BY

Centimeter to inches

0.3937

Kilograms to tons

0.0009842

Cubic Centimeter to cubic inches

0.06103

Kilo per sq mm to tons per sq in

0.635

Cubic feet to Cubic meters

0.02832

Meters to feet

3.281

Cubic inches to Cubic centimeter

16.39

Miles to kilometer

1.609

Cubic inches to Cubic liters

0.01639

Millimeter in inches

0.0394

Cubic meters to Cubic feet

35.32

N/mm2 to tons f/n2

0.06475

Cubic meter to Cubic yards

1.308

Pounds to kilometers

0.4536

Cubic yards to Cubic meter

0.7645

Pound per foot to kilo per mete

1.488

Feet to meter

0.3048

Square centimeter to sq inches

0.1550

Foot pounds to kilogram meter

0.1382

Square feet to meters

0.09290

Gallons to liters

4.536

Square inches to sq. centimeter

6.452

Gallons to cubic feet

0.1606

Square meter to sq. feet

10.76

Grains to grams

0.06480

Temperature conversion

 

Grains to lbs

0.002205

°C =

5/9 (°F – 32)

Inches to millimeter

25.40

°F =

(9/5 X °C)+32

Kilogram meter to foot pounds

7.233

Inches to centimeter

2.540

Kilograms to lbs

2.505

Tons per Sq. in to kilo per sq. mm

1.575

 

 

Tons per f/in2 to N/mm2

15.444

 

 

Tons to kilograms

1016.0


Weight in kgs per meter (FLATS)

WIDTH                      THICKNESS IN INCH AND EQUIVALENT MILLIMETER

INCH

mm

1/8*
3.175

3/16*
4.762

1/ 4* 6.350

5/6*
7.925

3/8*
9.525

7/16*
11.112

1/ 2*
12.70

9/16*
14.287

5/8*
15.875

3/ 4*
19.05

7/8*
22.225

1*
25.40

1.1/ 4*
31.75

1.1/ 2*
38.10

2*
50.80

1/ 2

12.70

0.317

0.475

0.632

0.790

0.948

 

 

 

 

 

 

 

 

 

 

5/8

15.87

0.395

0.593

0.790

0.989

1.186

 

 

 

 

 

 

 

 

 

 

3/ 4

19.05

0.475

0.711

0.984

1.186

1.423

1.660

1.897

 

 

 

 

 

 

 

 

1

25.40

0.632

0.948

1.265

1.577

1.897

2.231

2.530

2.842

3.162

3.795

 

 

 

 

 

1.1/ 4

31.75

0.790

1.186

1.581

1.977

2.372

2.767

2.162

3.558

3.953

4.744

 

 

 

 

 

1.1/ 2

38.10

0.949

1.423

1.897

2.372

2.846

3.320

3.795

4.629

4.744

5.692

6.641

7.570

 

 

 

1.3/ 4

44.45

1.107

1.661

2.214

2.760

3.919

3.874

4.427

4.981

5.534

6.641

7.748

8.855

 

 

 

2

50.80

1.265

1.897

2.530

3.162

3.795

4.427

5.060

5.692

6.325

7.590

8.555

10.12

 

 

 

2.1/ 4

57.15

1.423

2.134

2.845

3.558

4.269

4.081

5.692

6.404

7.115

8.538

9.961

11.38

 

 

 

2.1/ 2

63.50

1.582

2.372

3.165

3.953

4.744

5.534

6.325

7.115

7.906

9.487

11.07

12.65

15.81

 

 

2.3/4

69.85

1.739

1.609

3.479

4.348

5.218

6.088

6.959

7.827

8.696

10.44

12.17

13.91

17.39

 

 

3

76.20

1.897

2.846

3.795

4.744

5.692

6.641

7.590

8.538

9.487

11.38

13.28

15.18

18.97

22.77

30.36

3.1/ 4

82.55

2.056

3.083

4.111

5.139

6.167

7.194

8.222

9.250

10.28

12.33

14.39

16.44

21.55

24.67

32.89

3.1/ 2

88.90

2.214

3.320

4.427

5.534

6.641

7.748

8.854

9.960

11.07

13.28

15.49

17.71

22.14

26.56

35.42

4

101.6

2.530

3.795

5.060

6.325

7.590

8.855

10.12

11.38

12.65

15.18

17.71

20.24

25.30

30.36

40.48

4.1/ 2

114.3

 

 

5.692

7.114

8.540

9.961

11.38

12.83

14.23

17.08

19.92

22.77

28.46

34.15

45.54

5

127

 

 

6.325

7.906

9.487

11.07

12.65

14.23

15.81

18.97

22.41

25.30

31.62

37.95

50.60

6

152.4

 

 

7.590

9.487

11.38

13.28

15.18

17.08

18.97

22.77

26.56

30.36

37.95

45.58

60.72

7

177.8

 

 

8.855

11.07

13.28

15.49

17.71

19.92

22.14

26.56

30.99

35.42

42.27

53.13

70.84

8

203.2

 

 

10.12

12.65

15.18

17.71

20.24

22.77

25.30

30.36

35.42

40.48

50.60

60.72

80.96

9

228.6

 

 

 

 

17.08

19.22

22.77

25.61

28.46

34.15

39.85

45.54

56.92

68.31

91.08

10

254.0

 

 

 

 

18.97

22.14

25.30

28.46

31.62

37.95

44.27

50.60

63.25

75.90

101.2

12

304.8

 

 

 

 

22.77

26.56

30.36

34.95

37.95

45.54

53.13

60.72

75.90

91.08

121.4

16

406.4

 

 

 

 

30.35

35.42

40.48

45.54

50.60

60.72

70.84

80.96

101.20

121.4

161.9


 

Weight in kgs per meter (ROUNDS-SQUARES-HEXAGONES)

SIZE

ROUNDS

Squares

hexagons

size

rounds

Squares

hexagons

inch

mm

Kg/m

Kg/m

Kg/m

inch

mm

Kg/m

Kg/m

Kg/m

3/16

4.76

0.14

0.18

0.1541

1.7/8

47.63

13.97

17.79

15.42

1/ 4

6.35

0.25

0.32

0.2739

2

50.80

15.90

20.24

17.53

5/16

7.94

0.39

0.49

0.4279

2.1/8

53.98

17.95

22.85

19.79

3/8

9.53

0.56

0.71

0.6162

2.1/ 4

57.15

20.12

25.61

22.18

7/16

11.11

0.76

0.97

0.8387

2.3/8

60.33

22.42

28.54

24.72

1/ 2

12.70

0.99

1.26

1.095

2.1/ 2

63.50

24.84

31.63

27.4

9/16

14.29

1.25

1.26

1.386

2.5/8

66.58

27.38

34.87

30.20

5/8

15.88

1.55

1.98

1.712

2.3/ 4

69.85

30.05

38.26

33.14

3/ 4

19.05

2.23

2.85

2.470

2.7/8

73.03

32.85

41.82

36.22

7/8

22.23

3.04

3.87

3.350

3

76.20

35.77

45.54

39.44

1

25.40

3.97

5.06

4.380

3.1/ 4

82.55

41.98

53.44

-

 

 

 

 

 

3.1/ 2

88.90

48.68

61.98

-

1.1/8

28.58

5.03

6.40

5.550

4

101.6

63.59

80.96

-

1.1/ 4

31.75

6.21

7.91

6.850

4.1/ 2

114.3

80.47

102.46

-

1.3/8

34.93

7.51

9.97

8.280

5

127.0

99.35

126.5

-

1.1/ 2

38.1

8.94

11.38

9.860

6

152.4

143.1

182.2

-

1.5/8

41.28

10.50

13.36

11.57

8

203.2

254.3

323.8

-

1.3/ 4

44.45

12.17

13.5

13.42

10

254.0

397.4

505.9

-



CONVERSION CHART (FEET INTO METERS)

FEET

0

1

2

3

4

5

6

7

8

9

0

 

0.30

0.61

0.91

1.22

1.52

1.83

2.13

2.44

2.74

10

3.05

3.35

3.66

3.96

4.27

4.57

4.88

5.18

5.49

5.79

20

6.10

6.40

6.71

7.01

7.32

7.62

7.92

8.23

8.53

8.84

30

9.14

9.45

9.74

10.06

10.36

10.67

10.97

11.28

11.58

11.89

40

12.19

12.50

12.80

13.11

13.41

13.72

14.02

14.33

14.63

4.94

50

15.24

15.54

15.85

16.15

16.45

16.76

17.07

17.37

17.68

17.98

60

18.29

18.59

18.90

19.20

19.51

19.81

20.12

20.42

20.73

21.03

70

21.24

21.64

21.95

22.25

22.56

22.86

23.16

23.47

23.77

24.08

80

24.38

24.69

24.99

25.30

25.60

25.91

26.21

26.52

26.82

27.13

90

27.43

27.74

28.04

28.35

28.66

28.96

29.26

29.57

29.87

30.18

100’=30.48m., 200’=61m., 300’=91.48m., 500’=152.40m., 1000’=304.8m.


SPECIAL FORMULA

WEIGHT OF ROUNDS IN MM PER FEET
DIAMETER X DIAMETER X 0.0019 = WT. / FT.
WEIGHT OF FLATE IN MM PER FEET
DIAMETER X THICKNESS X 0.0024 = WT. / FT.
WEIGHT OF SQUARE IN MM PER FEET
DIAMETER X DIAMETER X 0.0024 = WT. / FT.
WEIGHT OF SHEETS & PLATES IN MM PER FEET
LENGTH X WIDTH X THICKNESS X 8 = WT./PCS.
WEIGHT OF HEXIN IN MM PER FEET
DIAMETER X DIAMETER X 0.0024 = WT. / FT.
WEIGHT OF PIPE IN MM PER FEET
OD – W.T. X W.T. X 0.0075 = WT./FT.
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Bharat Tool Steel Syndicate