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Mechanical Properties of Pipes

 

Normative
document
for pipes

Steel grade
(Strength
class)

Basic metal

Weld joint

Ultimate
tensile strength,
N/mm*

Yield
point,
N/mm*

Relative
elongation, %
min

Impact
strength
J/cm*
min

Viscous
share in break

Impact strength, KCU
J/cm*, min

GOST 20295-85

К50

485 min

343 min

20

KCU(-40)
29.4

 

19.6 (at -40*С)

К52

510 min

353 min

20

KCU(-40)
29.4

 

19.6 (at -40*С)

TU 14-3-1573-96

К50

490 min

390 min

20

KCV(0) 29.4
KCV(-20) 29.4
depending on
steel grade
KCU(-40) 29.4
KCU(-40) 29.4
KCU(-60) 39.2

50 (at 0*С)
50 (at -20*С)
for pipes with diameter exceeding 630 mm, depending on steel grade

24.5 (at -40*С)
for - up to 10 mm
29.4 (at -40*С)
for - over 10 mm

К52

50 min

350 min

20

from KCV(0) 29.4
to KCV(-20) 29.4
depending on steel grade from KCU(-40) 29.4
to KCU(-40) 49.0
KCU(-60) 39.2

50 (at 0*С)
50 (at -20*С)
for pipes with diameter exceeding 630 mm,
depending on steel grade

from 24.5 (at -40/-60*С)
for - up to 10 mm
to 29.4 (at -40/-60*С)
for - over 10 mm,
depending on steel grade

К54

530 min

360 min

20

KCV(-5) 29.4
KCV(60) 29.4

 

24.5 (at -60*С)
for - up to 10 mm
29.4 (at -60*С)
for - over 10 mm

К55

540 min

390 min

20

from KCV(-15) 29.4
to KCV(-15) 39.2
from KCU(-60) 29.4
to KCU(-60) 49.0
depending on steel grade

50 (at -15*С)

24.5 (at -60*С)
for - up to 10 mm
29.4 (at -60*С)
for - over 10 mm

К56

550 min

380 min

20

KCV(-20) 39.2
KCV(-60) 39.2

50 (at -20*С) for
pipes with diameter of 720 mm, 820 mm, and 60 (at -20*С)
for pipes with diameter of 1,020, 1,220

24.5 (at -60*С)
for - 10 mm
29.4 (at -60*С)
for - over 10 mm
39.2 (at -60*С)
for - over 15 mm

К58

570 min

470 min

20

KCV(-5) 49.0
from KCU(-60) 29.4
to KCU(-60) 49.0
depending on steel grade

50 (at -15*С)

29.4 (at -60*С)
for - up to 12 mm
39.2 (at -60*С)
for - over 15 mm

К60

590 min

460 min

20

from КCV(-5) 29.4
to KCV(-20) 39.2
depending on steel and wall thickness from KCU(-60) 29.4
to KCU(-60) 39.2
KCU(-60) 49.0
depending on steel grade

50 (at -20*С) for
pipes with dia. 720 mm, 820 mm
and 60 (at -20*С) for pipes with dia. 1,020/1,220 mm

24.5 (at -60*С)
for - 10 mm
29.4 (at -60*С)
for - over 10 mm
39.2 (at -60*С)
for - over 15 mm

TU 14-3Р-01-93

К54

529 min

392 min

20

KCV(-20) 39.2

50 (at -20*С)

29.4 (at -60*С)

К60

589 min

461 min

20

KCV(-20) 39.2

50 (at -20*С) for pipes with dia. 720 mm, 820 mm, 60 (at -20*С) for pipes with dia. 1,020, 1,220 mm

39.2 (at -60*С)

TU 39-0147016-
123-2000

К52

510-630

350 min

20

KCV(-20) 39.2 upon customer request KCV(-20) 39.2

39.2 (at -60*С)

39.2 (at -60*С)

TU 14-3Р-21-96

К45

440-540

310-412

20

KCV(-20) 39.2

 

29.4 (at -40*С)
for - up to 12 mm
39.2 (at -40*С)
for - over 15 mm

TU 14-3Р-28-99

К52

510-610

370 min

20

KCU(-60) 118

60 (at -60*С)

49 (at -60*С)

К54

530-630

390 min

20

KCU(-60) 118

60 (at -60*С)

49 (at -60*С)

К56

550-650

410 min

20

KCU(-60) 118

60 (at -60*С)

49 (at -60*С)

К60

590-690

460 min

20

upon customer request

60 (at -60*С) upon
customer request at -60*С

49 (at -60*С)

TU 14-3Р-45-2001

К54

530-630

390 min

20

KCU(-60) 49.0

50 (at -60*С)

39.2 (at -60*С)

TU 1380-219-
0147016

К52

510-630

353 min

20

KCV(-20) 39.2
KCU(-60) min
for wall thickness of 7 mm to 15 mm through 39.2
over 15 to 24 through 49.0

40 (at -40*С)

from 7 to 15 through 29.4
(at -60*С)
over 15 to 24 through 39.2
(at -60*С) along the fusion line (as well as through the centre of weld)

GOST 10706-76

К33

324 min

210 min

22

upon customer request KCU(+20) 49-59
KCU(-20) 15-20

 

 

К34

334 min

210 min

22

 

 

К37

363 min

210 min

20

 

 

К38

372 min

210 min

20

 

 

TU 39-0147016-
103-2000

К48(Ч-20Ф)

470-590(48-60)

290 (30)

20

KCV(-40) 39.2(4)
KCU(-60) 39.2(4)

50

24.5(2.5)-39.2(4) (at -50*С)

К48(Ч-09СФ,
09ГСФ)

470-590 (48-60)

291 (30)

20

KCV(-40) 78.4(8)
KCU(-60) 78.4(8)

50

39.2(4) (at -50*С)

48(Ч-09СФ,
09ГСФ)

510-630 (52-64)

350 (36)

20

KCV(-40) 78.4(8)
KCU(-60) 78.4(8)

50

39.2(4) (at -50*С)

TU 14-3Р-70-2003

K38 (steel 3сп5)

372 (38)

245 (25)

23

KCU 29.4(3) at -20*С
29.4(3) after mechanical aging

 

 

K42 (steel 20)

412 (42)

245 (25)

21

KCU 29.4(3) at -4*С
29.4(3) after mechanical aging

 

 

К52 (17Г1С)
К52 (17Г1С-У)

510 (52)

350 (36)

20

KCU 29.4(3) at -40*С
29.4(3) after mechanical aging

 

 

TU 1303-09-5933
77520-2003

К20 (20Ф)

491 (50)

343 (35);
470 (48)

20

KCV 59(6) (at -50*C)

50

KCU 29.4(3)-39.2(4)
(at - 50*С) depending on wall thickness

К52 (13ХФА,
09ГСФ)

510 (52)

353 (36)
539 (55)

20

KCV 59(6) (at -50*C)

50

KCU 29.4(3)-39.2(4)
(at - 50*С) depending on wall thickness

TU 1303-09-5933
77520-2003

К52 (09ГСФ)

510-630 (52-64)

350 (36)

20

KCV 78.4(8) at -20*C
68.6(7) at - 40*С
KCU 68.6(7) at -60*С

 

KCU 39.2(4) (at -60*С)

TU 1383-011-4812
4013-2003

К52 (09ГСФ)

510-630 (52-64)

350 (36)

20

KCV 39.2(4) at -20*С,
-40*С, KCU 39.2(4) at -60*С

 

KCU 39.2(4) (at -60*С)

TU 14-3-1270-2001
530x7.0-12.0
630x7.0-12.0
720x7.0-12.0
820x9.0-12.0

К52 (17ГС)

510-630 (52-54)

353 (36)

20

KCV(0) 29.4(3)

50 at 0*С, DWTT
for dia. 720-820 upon request

KCU 29.4 at -40*С

К52 (17Г1С)

510-630 (52-54)

353 (36)

20

KCV(0) 29.4(3)

50 at 0*С, DWTT
for dia. 720-820 upon request

 

К52 (17Г1С-У)

510-630 (52-54)

353 (36)

20

KCV(0) 29.4(3)

50 at 0*С, DWTT
for dia. 720-820 upon request

 

К52 (13ГС)

510-630 (52-54)

360 (37)

20

KCV(0) 29.4(3)

50 at 0*С, DWTT
for dia. 720-820 upon request

 

13ГСУ

510-630 (52-54)

360 (37)

20

KCV(0) 29.4(3)

50 at 0*С, DWTT
for dia. 720-820 upon request

 

К52 (08ГБЮ)

510-630 (52-54)

360 (37)

20

KCV(0) 29.4(3)

50 at 0*С, DWTT
for dia. 720-820 upon request

 

К52 (10ГНБ)

510-630 (52-54)

360 (37)

20

KCU 39.2(4) at -20*С

50, DWTT for dia. 720-820 upon request

 

К52 (20)

510-627 (52-63)

343 (35)

20

KCV 39.2(4) at -20*С,
KCU 39.2(4) at -60*С

50, DWTT for dia. 720-820 upon request

KCU 39.2(4) at -60*С

К60 (10Г2ФБЮ)

590-690 (60-70)

480 (49)

20

KCV 39.2(4) at -20*С,
KCU 39.2(4) at -60*С

50 at -20*С, DWTT
for dia. 720-820 upon request

KCU 39.2(4) at -60*С

К55 (13Г1С-У)

540-660 (55-67)

380 (39)

20

KCU 39.2(4) at -15*С

50 at -15*С, DWTT
for dia. 720-820 upon request

KCU 39.2(4) at -60*С

К56 (09ГНФБ)

550-670 (56-68)

380 (39)

20

KCU 39.2(4) at -20*С

50 at -20*С, DWTT
for dia. 720-820 upon request

KCU 39.2(4) at -60*С

TU 14-3-1698-2000
1,020x10.0-16.0
1,220x10.0-19.0

К52 (17Г1СУ)

510-630 (52-64)

360 (37)

20

KCV(0) 29.4(3)

50 at 0*С, -20*С

KCU 29.4(3) at -40*С

К52 (13ГС,
13ГСУ)

510-630 (52-64)

360 (37)

20

KCV(0) 29.4(3)

50 at 0*С, -20*С

KCU 29.4(3) at -40*С

К52 (09ГСФ)

510-630 (52-64)

360 (37)

20

KCV(-20) 39.2(4)

50 at -20*С

KCU 39.2(4) at -60*С

К52 (12ГСБ)

510-630 (52-64)

360 (37)

20

KCV(-20) 39.2(4)

50 at -20*С

KCU 39.2(4) at -60*С

К52 (10ГНБ)

510-630 (52-64)

360 (37)

20

KCV(-20) 39.2(4)

50 at -20*С

KCU 39.2(4) at -60*С

К55 (13Г1СУ)

540-660 (55-67)

390 (40)

20

KCV(-15) 39.2(4)
KCU(-20) 39.2(4)

50 at -15*С

KCU 39.2(4) at -60*С

К56 (12Г2СБ)

550-670 (56-68)

390 (39)

20

KCV(-15) 39.2(4)
KCU(-20) 39.2(4)

50 at -20*С

KCU 39.2(4) at -60*С

К56 (09ГНФБ)

550-670 (56-68)

390 (39)

20

KCV(-15) 39.2(4)
KCU(-20) 39.2(4)

50 at -20*С

KCU 39.2(4) at -60*С

К60 (08Г1НФБ)

590-690 (60-70)

490 (50)

20

KCV(-15) 39.2(4)
KCU(-20) 39.2(4)

50 at -20*С

KCU 39.2(4) at -60*С

К60 (10Г2ФБЮ)

590-690 (60-70)

580 (49)

20

KCV(-15) 39.2(4)
KCU(-20) 39.2(4)

50 at -20*С

KCU 39.2(4) at -60*С

TU 14-3-1160-83
530x7.0-12.0
630x7.0-12.0
720x7.0-12.0
820x7.0-12.0
1,020x10.0-16.0
1,220x10.0-19.0

Steel 2-3сп

324-371 (33-38)

225-254 (26-26)

20

KCV(-40) 14.7(1.5) -20*

up to 9 mm KCU 19.6(2)

 

17ГС

500 (51) min

345 (35) min

20

KCV(-40) 29.4(3)
KCU(0) 29.4(3)

for 08ГБЮ
KCU -60*C KCV -20*C

 

13Г1СУ

540 (55) min

370 (38) min

20

KCV(-40) 29.4(3)
KCU(0) 29.4(3)

for 13Г1СУ
KCV -15*C

 

09ГБЮ

540 (55) min

370 (38) min

20

KCV(-40) 29.4(3)
KCU(0) 29.4(3)

 

 

12Г2СБ

540 (55) min

370 (38) min

20

KCV(-40) 29.4(3)
KCU(0) 29.4(3)

 

 

GOST 10704-91

Steel 2-3сп

324-373 (33-38)

225-254 (26-26)

22-20

KCU 19.6(2) at -20*С

less than 9 mm
KCU 14.7(1.5)

 

TU 14-3-1430-87

Pipes of the second quality are supplied with a hydrotesting guarantee of 1.5 MPa (15 kgf/cm2). Pipe requirements of 25% in terms of geometry and by 15%
in terms of mechanical properties. Length shall amount at least to 2 metres. Diameters: 530, 630, 720, 820, 1,020, 1,220 mm.

TU 14-3Р-03-94

К52 (08ГБЮ)

510-630 (52-64)

350 (36)

20

KCV(-60) 39.2(4)
KCU(-20) 39.2(4)

50 at -20*С, DWTT
for pipes 1,020 - 60%
1,220 - 70%

KCU 39.2(4) at -60*С

К56 (09ГБЮ)

550-670 (56-68)

380 (39)

20

KCV(-60) 39.2(4)
KCU(-20) 39.2(4)

50 at -20*С, DWTT
for pipes 1,020 - 60%
1,220 - 70%

KCU 39.2(4) at -60*С

TU 14-3Р-04-94

К52 (12ГСБ)

530-630 (52-64)

350 (36)

20

KCV(-60) 39.2(4)
KCU(-20) 39.2(4)

50 at -20*С, DWTT
for pipes 1,020 - 60%
1,220 - 70%

KCU 39.2(4) at -60*С

К56 (12Г2СБ)

550-670 (56-68)

380 (39)

20

KCV(-60) 39.2(4)
KCU(-20) 39.2(4)

50 at -20*С, DWTT
for pipes 1,020 - 60%
1,220 - 70%

KCU 39.2(4) at -60*С

TU 14-158-116-99

К52 (09ГСФ)

510-630 (52-54)

353 (36)

20

KCV(-60) 39.2(4)
KCU(-20) 39.2(4)

KCV at -40*С 39.2
J/cm2 (4.0 kgf/cm2)

KCU 39.2(4) at -60*С

NOTE:
1. Pipes as per TU 14-158-116-99, TU 14-158-116-99 with improved cold and corrosion-resistance.
2. Weld joint of pipes as per TU 14-3-1698-2000, TU 14-3Р-03-94, TU 14-3Р-04-94, TU 14-158-117-99, TU 14-158-116-99 undergo testing for cold bent angle of at least 180 degrees.