12mm*12mm Carbon Steel Square Pipe

Welded Mechanical Steel Tubing Cold Rolled and Hot Rolled

Hollowsection and size

Round

OD

6mm-168mm

Square

Size

10*10mm-125*125mm

Rectangular

Size

8*16mm-60*120mm

Oval

Size

9.5*17mm-40*80mm

L T Z 

Size

28*28mm-38*38mm

Wall Thickness

Colled Rolled

0.3mm-2.5mm tolerance +/-0.03mm

Hot Rolled

1.0mm-6mm

SCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc.

Length

Less Than 12m Can according customer demand   tolerance +/-20mm

Steel material

Q195 → Grade B, SS330,SPHC, S185

Q215 → Grade C,CS Type B,SS330, SPHC

Q235 → Grade D,SS400,S235JR,S235JO,S235J2

Standard

GB/T3091-1993,GB/T3092-1993,EN39,S355J2H,S275J2H,ST37,ST52,ASTM A106,ASTM A53 ASTM A500

BS1387,EN10255

Ends

1) Plain 

2) Beveled

3) Thread with Coupling or cap

4)Bending

End protector

1) Plastic pipe cap

2) Iron protector

Surface Treatment

1) Black annealed

2)Bright annealed

3) Black Painted or other colors painted(varnish coating)

4) Galvanized

5) With Oiled

6) 3 PE, FBE, corrosion resistant coating

Technique

Electronic Resistance Welded (ERW )

Inspection

With Hydraulic Testing, Eddy Current , Infrared Test

Package

1) Bundle,

2) In Bulk

3) Bags

4) Clients' Requirements

Delivery

1) Container

2) Bulk carrier

Payment

L/C T/T Western Union

Cold Rolled ERW Steel Pipe(Square)

Specification(mm)

Wall Thickness(mm)

Specification(mm)

Wall Thickness(mm)

10*10

0.3~1.0

12*12

0.3~1.8

12.7*12.7

0.8~1.4

13*13

0.55~1.8

15*15

0.35~1.8

16*16

0.35~1.8

16.5*16.5

0.35~1.8

17*17

0.55~1.8

18*18

0.55~1.8

19*19

0.55~1.8

20*20

0.55~2.0

21*21

0.55~2.0

22*22

1.0~2.0

23.5*23.5

0.5~2.0

25*25

0.5~2.0

25.4*25.4

1.0~3.0

28*28

0.5~2.0

28.5*28.5

1.0~3.0

30*30

1.0~3.0

31.75*31.75

1.0~3.0

32*32

1.0~3.0

33.4*33.4

1.0~3.0

35*35

1.0~3.0

38*38

1.0~3.0

40*40

1.0~4.75

44*44

1.0~4.5

44.5*44.5

1.0~4.5

45*45

1.0~5.0

50*50

1.0~5.0

R12 50*50

1.5~3.0

50.8*50.8

1.0~6.35

60*60

1.0~6.35

63.5*63.5

2.0~6.35

72*72

2.0~7

75*75

2.0~7

80*80

2.0~7

90*90

2.0~7

100*100

2.0~10

120*120

2.75~10

125*125

2.75~10