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  • Automotive Seamless Tubes


  • Automotive Tubes
  • LBST manufactures seamless tubes conforming to automotive standards, including ST – 52, which are applicable in the value addition processes in automotive industry. Some of them are:


    • Fuel Injection
    • Components of Vehicle Drivetrain
    • Car suspension systems
    • Components of engine and transmission
    • Components of body and chasis
    • Vehicle Control Systems
    • Distribution of gas or other media
    Automotive Seamless Tubes

Carbon/Alloy Steel Tubes and Pipes for Heat Exchanger and Boiler

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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