Seamless Circular Steel Tubes

Seamless Circular Steel Tubes

1.Cold Drawn Seamless Steel Tubes
2.used in manufacturing structural parts and mechanical parts
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Product Details

Seamless Circular Steel Tubes

  1. Cold Drawn Seamless Steel Tubes

  2. used in manufacturing structural parts and mechanical parts  

classify

     According to the production method, it can be divided into seamless circular steel pipe and welded circular steel pipe.

Seamless steel tube manufacturing process

        Tube billet inspection - peeling - Inspection - heating - perforation - Pickling - grinding - Lubrication - air - dry - welding head - cold drawing - solid solution - acid pickling - acid washing passivation - Test Seamless steel tube has hollow cross section, and it is widely used as a conduit for conveying fluid, such as pipelines for transporting petroleum, natural gas, gas, water and some solid materials.

         Compared with solid steel such as round steel, the steel tube is lighter in weight and has the same bending and torsional strength. It is a kind of economic section steel. It is widely used in manufacturing structural parts and mechanical parts, such as oil drill pipe, automobile transmission shaft, bicycle frame and steel scaffolding used in construction. Utilization rate, simplifying manufacturing process, saving materials and processing hours, such as rolling bearing rings, Jack covers, etc., have been widely made of steel pipes. Steel pipes are also indispensable materials for all kinds of conventional weapons, and barrel and barrel must be made of steel pipes. The steel pipes can be divided into circular pipes and special-shaped pipes according to the shape of cross-sectional area. Due to the circumference equal, the circle area is the largest, and the circular tube can transport more fluid.

         In addition, when the ring section bears internal or external radial pressure, the force is more uniform. Therefore, most of the steel tubes are circular pipes.

        Round steel pipes can be used for pipes, thermal equipment, machinery industry, petroleum geological drilling, containers, chemical industry and special purpose.

Specification table

Specifications

Seamless steel tube

Specifications

Seamless steel tube

Specifications

Seamless steel tube

Specifications

Seamless steel tube

6×1

18×5

32*7-8

48*9-10

70*4-5

83*4-5

102*25-26

127*30-32

6*2

20*1-1.5

32*9-10

48*12-14

70*6-7

83*6-7

102*28-30

127*34-35

7*1

20*2-2.5

34*2-3

51*3-3.5

70*8-9

83*8-10

102*32

133*4-4.5

7*2

20*3-3.5

34*4-5

51*4-5

70*10-12

83*12-14

108*4-4.5

133*5-6

8*1

20*4-5

34*6-7

51*8-10

70*14-16

83*16-18

108*5-6

133*8-10

8*2

22*2-2.5

34*8-9

51*12-14

70*18-20

83*20-22

108*8-10

133*12-14

8*2-5

22*3-3.5

38*2-2.5

51*16

70*22

83*24

108*12-14

122*16-18

9*1

22*4-5

38*3-3.5

60*3-5

73*4-5

89*-4.5

108*16-18

133*20-22

9*2

22*6-7

38*4-4.5

60*4-5

73*6-7

89*5-6

108*20-22

133*24-26

10*1

22*8

38*5-6

60*6-7

73*8-9

89*8-10

108*24-25

133*28-30

10*2

25*2-2.5

38*7-8

60*8-10

73*10-12

89*12-14

108*26-28

133*32-34

10*2-5

25*3-3.5

38*9-10

60*12-14

73*12-14

89*16-18

108*30-30

133*35-36

10*3

25*4-5

38*12

60*3-3.5

73*16-18

89*20-22

108*35

140*4-4.5

12*1

25*6-7

42*2-2.5

63.5*3-3.5

73*20

89*24-25

121*4-5

140*5-6

12*1.5

25*8-10

42*3-3.5

63.5*4-5

76*4-5

89*26

121*6-8

140*8-10

12*2-2.5

27*2.5-3

42*4-5

63.5*6-7

76*6-7

95*5-6

121*10-12

140*12-14

12*3-3.5

27*4-5

42*6-7

63.5*3-9

76*8-9

95*7-8

121*14-16

140*16-18

14*1

27*6-7

42*8-9

63.5*10-12

76*10-12

95*10-12

121*18-20

140*20-22

14*2-2.5

27*8-10

42*10-12

63.5*14-16

76*12-14

95*14-16

121*22-24

140*24-26

14*3-4

28*8-2.5

45*2.5-3

63.5*18

76*16-18

95*18-20

151*26-28

140*28-30

14*5

28*3-3.5

45*3.5-4

63.5*20

76*20-22

95*22-24

121*30-32

140*32-34

16*1-1.5

28*4-4.5

45*5-6

68*3-4

80*4-5

95*25-26

121*34-35

140*35-36

16*2-2.5

28*5-6

45*7-8

68*5-6

80*5-6

102*4-4.5

127*4-5

140*38-40

16*3-4

28*7-8

45*9-10

68*7-8

80*6-7

102*5-6

127*6-8

140*42-45

16*5

28*9-10

45*12-14

68*9-10

80*8-9

102*7-8

127*10-12

140*46

18*1-1.5

32*2-2.5

48*3-3.5

68*12-14

80×10-12

102×10-12

127×14-16

146×4-5    

18×2-2.5

32×3-3.5

48×4-4.5

68×14-16

80×14-16

102×14-16

127×18-20

146×6-8

18×3-3.5

32×4-4.5

48×5-6

68×18-20

 80×18-20

102×18-20

127×22-24

146×10-12

18×4-4.5

32×5-6

48×7-8

 68×22

80×22

102×22-24

127×26-28

146×14-16

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