Grades and chemical composition

Technical

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%

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

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

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

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

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

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

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

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

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

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

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

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.