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  • API welded pipe,Pipe fitting,Sprial steel pipe
  • API welded pipe,Pipe fitting,Sprial steel pipe
  • API welded pipe,Pipe fitting,Sprial steel pipe
  • API welded pipe,Pipe fitting,Sprial steel pipe
  • API welded pipe,Pipe fitting,Sprial steel pipe
  • API welded pipe,Pipe fitting,Sprial steel pipe
  • API welded pipe,Pipe fitting,Sprial steel pipe
  • API welded pipe,Pipe fitting,Sprial steel pipe

Low temperature pipe

Type:Seamless Steel Pipe and Welded Steel Pipe for Low-Temperature

Size :

OD:10-630mm

WT:1-30mm

Length:14000mm max

Standard & Grade :ASTM A333 GR.3 GR.6 GR.9 GR.11

Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

Usage:Apply to-45c~-195c levels of low temperature pressure vessel pipeline and seamless steel tube for heat exchanger pipes.

  • Description
  • Specification
  • Standard
  • Process
  • Packing

ASTM A333 Standard Specifications For Seamless And Welded Steel Pipe For Low-Temperature Service


DIMENSION : ASTM A333 Grade 3&Grade 6 seamless pipe for Low-Temperature

Types

Wall Thickness (mm)

mm

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

10.29

13.72

17.14

21.34

26.67

33.4

42.16

48.26

60.32

73

76.1

82.5

88.9

101.6

114.3

127

139.7

152.4

159

168.3

177.8

193.7

203

219.1

244.5

273

298.5

323.8

339.7

355.6

406.4

457.2

473.1

508

530

558.8

609.6

630


Chemical Composition OF ASTM A333 Grade 3&Grade6 seamless pipe for Low-Temperature

Standard

ASTM A333

Grades

C

Si

Mn

S

P

Cr

Ni

Mo

Cu

V

Al

16MnDG

0.12-0.20

0.20-0.55

1.20-1.60

≤0.025

≤0.025

--

--

--

--

--

--

10MnDG

≤0.13

0.17-0.37

≤1.35

≤0.025

≤0.025

--

--

--

--

≤0.07

--

09DG

≤0.12

0.17-0.37

≤0.95

≤0.025

≤0.025

--

--

--

--

≤0.07

--

09Mn2VDG

≤0.12

0.17-0.37

≤1.85

≤0.025

≤0.025

--

--

--

--

≤0.12

--

06Ni3MoDG

≤0.08

0.17-0.37

≤0.85

≤0.025

≤0.025

--

2.5-3.7

0.15-0.30

--

≤0.05

--

A333Gr1

≤0.30

--

0.40-1.06

0≤0.025

≤0.025

--

--

--

--

--

--

A333Gr3

≤0.19

0.18-0.37

0.31-0.64

≤0.025

≤0.025

--

3.18-3.82

--

--

--

--

A333Gr4

≤0.12

0.18-0.37

0.50-1.05

≤0.025

≤0.025

0.44-1.01

0.47-0.98

--

0.40-0.75

--

0.04-0.30

A333Gr6

≤0.30

≥0.10

0.29-1.06

≤0.025

≤0.025

--

--

--

--

--

--

A333Gr7

≤0.19

0.13-0.32

≤0.90

≤0.025

≤0.025

--

2.03-2.57

--

--

--

--

A333Gr8

≤0.13

0.13-0.32

≤0.90

≤0.025

≤0.025

--

8.40-9.60

--

--

--

--

A333Gr9

≤0.20

--

0.40-1.06

≤0.025

≤0.025

--

1.60-2.24

--

0.75-1.25

--

--

A333Gr10

≤0.20

0.10-0.35

1.15-1.50

≤0.015

≤0.030

≤0.15

≤0.25

≤0.50

≤0.015

≤0.12

≤0.06

A333Gr11

≤0.10

≤0.035

≤0.60

≤0.025

≤0.025

≤0.50

35.0-37.0

≤0.50

--

--

--


Mechanical Properties OFASTM A333 Grade 3& Grade 6 seamless pipe for Low-Temperature

Standard

Grade

Tensile Strength (MPa)

Yield Point (MPa)

Elongation (%)

Y

X

ASTM A333

Grade 1

≥ 380

≥ 205

≥ 35

≥ 25

Grade 3

≥ 450

≥ 240

≥ 30

≥ 20

Grade 4

≥ 415

≥ 240

≥ 30

≥ 16.5

Grade 6

≥ 415

≥ 240

≥ 30

≥ 16.5

Grade 7

≥ 450

≥ 240

≥ 30

≥ 22

Grade 8

≥ 690

≥ 515

≥ 22


Grade 9

≥ 435

≥ 315

≥ 28


Grade 10

≥ 550

≥ 450

≥ 22


Grade 11

≥ 450

≥ 240

≥ 18


Chemical Composition OF ASTM A333 Grade 3&Grade6 seamless pipe for Low-Temperature

Standard

ASTM A333

Grades

C

Si

Mn

S

P

Cr

Ni

Mo

Cu

V

Al

16MnDG

0.12-0.20

0.20-0.55

1.20-1.60

≤0.025

≤0.025

--

--

--

--

--

--

10MnDG

≤0.13

0.17-0.37

≤1.35

≤0.025

≤0.025

--

--

--

--

≤0.07

--

09DG

≤0.12

0.17-0.37

≤0.95

≤0.025

≤0.025

--

--

--

--

≤0.07

--

09Mn2VDG

≤0.12

0.17-0.37

≤1.85

≤0.025

≤0.025

--

--

--

--

≤0.12

--

06Ni3MoDG

≤0.08

0.17-0.37

≤0.85

≤0.025

≤0.025

--

2.5-3.7

0.15-0.30

--

≤0.05

--

A333Gr1

≤0.30

--

0.40-1.06

0≤0.025

≤0.025

--

--

--

--

--

--

A333Gr3

≤0.19

0.18-0.37

0.31-0.64

≤0.025

≤0.025

--

3.18-3.82

--

--

--

--

A333Gr4

≤0.12

0.18-0.37

0.50-1.05

≤0.025

≤0.025

0.44-1.01

0.47-0.98

--

0.40-0.75

--

0.04-0.30

A333Gr6

≤0.30

≥0.10

0.29-1.06

≤0.025

≤0.025

--

--

--

--

--

--

A333Gr7

≤0.19

0.13-0.32

≤0.90

≤0.025

≤0.025

--

2.03-2.57

--

--

--

--

A333Gr8

≤0.13

0.13-0.32

≤0.90

≤0.025

≤0.025

--

8.40-9.60

--

--

--

--

A333Gr9

≤0.20

--

0.40-1.06

≤0.025

≤0.025

--

1.60-2.24

--

0.75-1.25

--

--

A333Gr10

≤0.20

0.10-0.35

1.15-1.50

≤0.015

≤0.030

≤0.15

≤0.25

≤0.50

≤0.015

≤0.12

≤0.06

A333Gr11

≤0.10

≤0.035

≤0.60

≤0.025

≤0.025

≤0.50

35.0-37.0

≤0.50

--

--

--


Mechanical Properties OFASTM A333 Grade 3& Grade 6 seamless pipe for Low-Temperature

Standard

Grade

Tensile Strength (MPa)

Yield Point (MPa)

Elongation (%)

Y

X

ASTM A333

Grade 1

≥ 380

≥ 205

≥ 35

≥ 25

Grade 3

≥ 450

≥ 240

≥ 30

≥ 20

Grade 4

≥ 415

≥ 240

≥ 30

≥ 16.5

Grade 6

≥ 415

≥ 240

≥ 30

≥ 16.5

Grade 7

≥ 450

≥ 240

≥ 30

≥ 22

Grade 8

≥ 690

≥ 515

≥ 22


Grade 9

≥ 435

≥ 315

≥ 28


Grade 10

≥ 550

≥ 450

≥ 22


Grade 11

≥ 450

≥ 240

≥ 18




DIMENSION : ASTM A333 Grade 3&Grade 6 seamless pipe for Low-Temperature

Types

Wall Thickness (mm)

mm

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

10.29

13.72

17.14

21.34

26.67

33.4

42.16

48.26

60.32

73

76.1

82.5

88.9

101.6

114.3

127

139.7

152.4

159

168.3

177.8

193.7

203

219.1

244.5

273

298.5

323.8

339.7

355.6

406.4

457.2

473.1

508

530

558.8

609.6

630

Chemical Composition OF ASTM A333 Grade 3&Grade6 seamless pipe for Low-Temperature

Standard

ASTM A333

Grades

C

Si

Mn

S

P

Cr

Ni

Mo

Cu

V

Al

16MnDG

0.12-0.20

0.20-0.55

1.20-1.60

≤0.025

≤0.025

--

--

--

--

--

--

10MnDG

≤0.13

0.17-0.37

≤1.35

≤0.025

≤0.025

--

--

--

--

≤0.07

--

09DG

≤0.12

0.17-0.37

≤0.95

≤0.025

≤0.025

--

--

--

--

≤0.07

--

09Mn2VDG

≤0.12

0.17-0.37

≤1.85

≤0.025

≤0.025

--

--

--

--

≤0.12

--

06Ni3MoDG

≤0.08

0.17-0.37

≤0.85

≤0.025

≤0.025

--

2.5-3.7

0.15-0.30

--

≤0.05

--

A333Gr1

≤0.30

--

0.40-1.06

0≤0.025

≤0.025

--

--

--

--

--

--

A333Gr3

≤0.19

0.18-0.37

0.31-0.64

≤0.025

≤0.025

--

3.18-3.82

--

--

--

--

A333Gr4

≤0.12

0.18-0.37

0.50-1.05

≤0.025

≤0.025

0.44-1.01

0.47-0.98

--

0.40-0.75

--

0.04-0.30

A333Gr6

≤0.30

≥0.10

0.29-1.06

≤0.025

≤0.025

--

--

--

--

--

--

A333Gr7

≤0.19

0.13-0.32

≤0.90

≤0.025

≤0.025

--

2.03-2.57

--

--

--

--

A333Gr8

≤0.13

0.13-0.32

≤0.90

≤0.025

≤0.025

--

8.40-9.60

--

--

--

--

A333Gr9

≤0.20

--

0.40-1.06

≤0.025

≤0.025

--

1.60-2.24

--

0.75-1.25

--

--

A333Gr10

≤0.20

0.10-0.35

1.15-1.50

≤0.015

≤0.030

≤0.15

≤0.25

≤0.50

≤0.015

≤0.12

≤0.06

A333Gr11

≤0.10

≤0.035

≤0.60

≤0.025

≤0.025

≤0.50

35.0-37.0

≤0.50

--

--

--


Mechanical Properties OFASTM A333 Grade 3& Grade 6 seamless pipe for Low-Temperature

Standard

Grade

Tensile Strength (MPa)

Yield Point (MPa)

Elongation (%)

Y

X

ASTM A333

Grade 1

≥ 380

≥ 205

≥ 35

≥ 25

Grade 3

≥ 450

≥ 240

≥ 30

≥ 20

Grade 4

≥ 415

≥ 240

≥ 30

≥ 16.5

Grade 6

≥ 415

≥ 240

≥ 30

≥ 16.5

Grade 7

≥ 450

≥ 240

≥ 30

≥ 22

Grade 8

≥ 690

≥ 515

≥ 22


Grade 9

≥ 435

≥ 315

≥ 28


Grade 10

≥ 550

≥ 450

≥ 22


Grade 11

≥ 450

≥ 240

≥ 18


ASTM A333 Grade 3&Grade 6 seamless pipe for Low-Temperature Manufacturing Process :

tube perforation → → → heated three-roll cross-rolling, continuous rolled or extruded-cannula → sizing (or reducing) steel tube straightening → → → → cooling water pressure test (or testing) → tags → storage. Drawing (rolling) seamless steel pipe: pipe perforated → heat → → → → start → annealing pickling oil (copper) → multi-pass drawing (cold rolled) steel tube heat treatment straightening → → → → hydrostatic test (testing) → tags → storage.

There are probably hundreds of different methods for packing a pipe, and most of them have merit, but there are two principles that are vital for any method to work prevent rusting and Sea transportation security.

● Plastic caps plugged at the two sides of pipe ends

● Should be avoided by the steel strapping and transport damage

● Bundled signs should be uniform and consistent

● The same bundle(batch) of steel pipe should be came from the same furnace.

● The steel pipe has the same furnace number, the same steel grade, the same specifications.

Our packing can meet any needs of the customers

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