Carbon Steel Chemical & Mechanical Composition



Speci -cation Grade Chemical Composition [%] Mechanical Properties
C Mn P S Si Cr Mo Cu Ni V Yield Strength Tensile Strength % Elongation (G.L. 50 mm WT 8 mm) e (min.)
Min. Min.
Min Max. Min Max. Max. Max. Min. Max Min. Max Min. Max Max Max Max PSI MPa PSI MPa
HYDROCARBON PROCESS INDUSTRY/STRUCTURAL/PRESSURE VESSEL TUBES
ASTM

A-53

 A
B		 -

-

 0.25

0.30

 -

-

 0.95

1.20

 0.050

0.050

 0.045

0.045

 -

-

 -

-

 -

-

 0.40

0.40

 -

-

 0.15

0.15

 0.40 for S

0.40 for S

 0.40

0.40

 0.08

0.08

 30,000

35,000

 205

240

 48,000

60,000

 330

415

 e=625000 A02/U09
ASTM

A-106

 A
B

c

 -

-

-

 0.25

0.30

0.35

 0.27

0.29

0.29

 0.93

1.06

1.06

 0.035

0.035

0.035

 0.035

0.035

0.035

 0.10

0.10

0.10

 -

-

-

 -

-

-

 0.40

0.40

0.40

 -

-

-

 0.15

0.15

0.15

 0.40

0.40

0.40

 0.40

-

 

 0.08

0.08

0.08

 30,000

35,000

40,000		 205

240

275		 48,000

60,000

70,000		 330

415

485		 35L / 25T

30L / 16.5T

30L / 16.5T
ASTM

A333 & A 334

 1
6		 -
-		 0.30

0.30

 0.40

0.29

 1.06

1.06

 0.025

0.025

 0.025

0.025

 -

0.10

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 30,000

35,000

 205

240

 55,000
60,000		 380

415

 35

30
SEAMLESS COLD DRAWN PRECISION STEEL TUBES FOR MECHANICAL APPLICATIONS/HYDRAULIC/PNEUMATIC POWER SYSTEMS
EN 10305-1/

EN10305-4

 E 235

E 355

   0.17

0.22

   1.2

1.6

 0.025

0.025

 0.025

0.025

  

 

 0.35

0.55

             0.02

0.02

   235

355

   340

490

 25

22
EN 10216-1 P195 TR1
P235 TR1		   0.13

0.16

   0.7

1.2

 0.025

0.025

 0.02

0.02

   0.35

0.35

   0.3

0.3

   0.08

0.08

 0.3

0.3

 0.3

0.3

     195

235

   320

360

 27

25
EN 10216-2 P235 GH   0.16   1.2 0.025 0.02   0.35   0.3   0.08 0.3 0.3 0.02          
DIN 2391 St - 45
St - 45
St - 52		 -
-
-		 0.17

0.21

0.22

 0.40

0.40

-

 -

-

1.60

 0.025

0.025

0.025

 0.025

0.025

0.025

 -

-

-

 0.35

0.35

0.55

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 NBK : 215 / GBK : -

NBK : 255 / GBK : -

NBK : 355 / GBK : -

 NBK : 340 / GBK : 315

NBK : 440 / GBK : 390

NBK : 490 / GBK : 490

 NBK : 470

NBK : 570

NBK : 630
ASTM

A-519

 SAE 1010
SAE 1018
SAE 1026
SAE 1035

SAE 1040

SAE 1518

SAE 1541

SAE 4130

 0.08

0.15

0.22

0.32

0.37

0.15

0.36

0.28

 0.13 0.20

0.28

0.38

0.44

0.21

0.44

0.33

 0.30

0.60

0.60

0.60

0.60

1.10

1.35

0.40

 0.60

0.90

0.90

0.90

0.90

1.40

1.65

0.60

 0.040

0.040

0.040

0.040

0.040

0.040

0.040

0.040

 0.050

0.050

0.050

0.050

0.050

0.050

0.050

0.040

 -

-

-

-

-

-

-

0.15

 -

-

-

-

-

-

-

0.35

 -

-

-

-

-

-

-

0.80

 -

-

-

-

-

-

-

1.10

 -

-

-

-

-

-

-

0.15

 -

-

-

-

-

-

-

0.25		 -

-

-

-

-

-

-

-

 -

-

-

-

-

-

-

-

 -

-

-

-

-

-

-

-

 As per Customer requirements
BOILER/HEAT EXCHANGER/SUPERHEATER & CONDENSER TUBES
ASTM A179 - 0.06 0.18 0.27 0.63 0.035 0.035 - - - - - - - - - 26,000 180 47,000 325 35
ASTM A192   0.06 0.18 0.27 0.63 0.035 0.035 - 0.25 - - - - - - - 26,000 180 47,000 325 35
ASTM

A 210

 A-1
C		 -
-		 0.27

0.35

 -

0.29

 0.93

1.06

 0.035

0.035

 0.035

0.035

 0.10

0.10

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 37,000

40,000

 255

275

 60,000

70,000

 415

485

 30

30
ASTM

A 213

 T-11
T-12

T-22

 0.05

0.05

0.05

 0.15

0.15

0.15

 0.30

0.30

0.30

 0.60

0.61

0.60

 0.025

0.025

0.025

 0.025

0.025

0.025

 0.50

-

-

 1.00

0.50

0.50

 1.00

0.80

1.90

 1.50

1.25

2.60

 0.44

0.44

0.87

 0.65

0.65

1.13

 -

-

-

 -

-

-

 -

-

-

 30,000

32,000

30,000

 205

220

205

 60,000

60,000

60,000

 415

415

415

 30

30

30
ASTM
A335		 P-11
P-12

P-22

 0.05

0.05

0.05

 0.15

0.15

0.15

 0.30

0.30

0.30

 0.60

0.61

0.60

 0.025

0.025

0.025

 0.025

0.025

0.025

 0.50

-

-

 1.00

0.50

0.50

 1.00

0.80

1.90

 1.50

1.25

2.60

 0.44

0.44

0.87

 0.65

0.65

1.13

 -

-

-

 -

-

-

 -

-

-

 30,000

32,000

30,000

 205

220

205

 60,000

60,000

60,000

 415

415

415

 30

30

30
BS 3059 Pt I 320 - 0.16 0.30 0.70 0.040 0.040 0.10 0.35 - - - - - - - 28,000 195 46,000 320 69,500
BS 3059 Pt II 622-490 0.08 0.15 0.40 0.70 0.030 0.030 - 0.50 2.00 2.50 0.90 1.20 - - - 40,000 275 71,000 490 93,000
DIN 1629 St- 37.0

St - 52

 -

-

 0.17

0.22

 -

-

 -

-

 0.040

0.040

 0.040

0.035

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 WT 16mm = 235 / WT>16mm = 225

WT 16mm = 355 / WT>16mm = 345

 350

-

 -

Long 21 / Trans 19
DIN 17175 St - 35.8

St - 45.8

 -

-

 0.17

0.21

 0.40

0.40

 0.80

1.20

 0.040

0.040

 0.040

0.040

 0.10

0.10

 0.35

0.35

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 -

-

 WT 16mm = 235 / WT>16mm = 225

WT 16mm = 255 / WT>16mm = 245

 360

410

 480

530
RAILWAYS
IS:1239 Pt I - - - - - 0.050 0.050 - - - - - - - - - - - 46,500 320 -
IS:1161 YST-210

YST-240

YST-310

 -

-

-

 0.12

0.16

0.25

 -

-

-

 0.60

1.20

1.30

 0.040

0.040

0.040

 0.040

0.040

0.040

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 -

-

-

 30,500

35,000

45,000

 210

240

310

 48,000

59,500

64,500

 330

410

445

 -

-

-

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