Shanghai Sheng-Steel Industry Co., Ltd.
Sheng-Steel Industry (Hongkong) Co., Ltd.

Mechanical & Structural Welded Rectangular Pipe

 Size:

Outside diameter(mm)

Thickness(mm)

0.6

0.7

0.8

0.9

1

1.2

1.5

2

2.5

3

4

5

6

10×10

12×12

15×15

19×19

20×20

22×22

25×25

30×30

31.8×31.8

38×38

35×35

40×40

45×45

50×50

60×60

70×70

76.2×76.2

80×80

90×90

100×100

10×20

13×25

15×30

15×50

20×30

20×40

20×50

25×38

25×50

30×50

30×60

30×70

40×60

40×80

45×75

45×95

50×75

40×100

50×100

60×80

60×100

60×120

Tolerances on dimensions table：

The maximum angle		Outside diameter Tolerance (mm)		Torsion angle
Thickness(mm)	The maximum angle(mm)	Largest nominal outside dimension across flats	Across flats convexity or concavity	Outside diameter(mm)	Tolerance (mm)
＞0.51~1.24	2.40	≤31.80	±0.38	≤12.70 ＞12.70~38.10 ＞38.10~63.50 ＞63.50~101.60 ＞101.60~152.40 ＞152.40	1.53 2.30 2.84 3.82 7.54 11.37
＞1.24~1.65	3.20
＞1.65~2.11	3.60	＞31.80~63.50	±0.51
＞2.11~2.42	4.80
＞2.42~2.77	5.20	＞63.50~139.70	±0.76
＞2.77~3.40	5.60
＞3.40~3.96	6.40	＞139.70~203.20	±1.52
＞3.96~5.08	9.50
＞5.08~6.35	12.0

Surface: 180#;280#;400#;600#

Standard：ASTM A554;DIN/EN10296-2/JIS G344;GB/T12770

Material：304/304L,316L,321,
409L,410,420,430,
UNS31803,USNS32205/2205,UNS32750/2507 etc.