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Structural Steel Pipe

Type: Structural Pipe, Structural Seamless Pipe, Seamless Structural Pipe.
Application: In Structural Engineering and Construction Industry.
OD: 350mm~1420mm. WT: 20- 300mm, LENGTH: Fixed Length (5.8/6/11.8/12mtr), SRL, DRL
Standard & Grade: EN10210/EN10297/ EN10216/DIN1629/ASTM A333/GB/T8162/ASTM A519/ASTM A53/ASTM A106/ ISO2937/JIS G3441, S355J2H, S460N, E355N, ST52, ST37, Gr.6, 16Mn, A345A~E, 20, 45, 20Cr, 40Cr, 20CrMo,20MnV6, 30~35CrMo,42CrMo,27SiMn, 38CrMoAl and so on.
Availability:

 Specification of Structural Steel Pipe 

API 5L/ASTM A106 GR.B, Structural Steel Pipe
公称通径
DN
外径OD(mm)SCH40(6m/5.8m)SCH40(6m/5.8m)SCH40(6m/5.8m)
壁厚WT壁厚WT壁厚WT
(mm)(mm)(mm)
1/4''13.72.243.02/
3/8''17.12.313.2/
1/2''21.32.773.734.78
3/4''26.72.873.915.56
1''33.43.384.556.35
1-1/4''42.23.564.856.35
1-1/2''48.33.685.087.14
2''60.33.915.548.74
2-1/2''735.167.019.53
3''88.95.497.6211.13
3-1/2''101.65.748.08/
4''114.36.028.5613.49
5''141.36.559.5315.88
6''168.37.1110.9718.26
8''219.18.1812.723.01
10''2739.2715.0928.58
12''323.810.3117.4833.32
14''355.69.5311.1319.05
16''406.49.5312.721.44
18''4579.5314.2723.83
20''5089.5315.0926.19
24''6109.5317.4830.96


Chemical components & mechanical properties:


化学

Tolerance:

1. Hot rolled finish

OD tolerance: +/-1%

WT tolerance: +/-12.5%

Straightness: 1.5mm/m

2. Machined finish

OD tolerance: +/-1mm

WT tolerance: +/-1mm

Straightness: 1mm/m



Tolerance:




 


1rance:

2


Description:

Structural Tubing is a hollow section most commonly constructed from hot rolled metal coils. The coils are slit to the proper width for the section being manufactured and then formed into the final shape needed.

BENEFITS 

STRENGTH

HSS has a high strength-to-weight ratio, excellent compression support characteristics and excellent torsional resistance.


APPEARANCE

In exposed applications, especially Architecturally Exposed Structural Steel (AESS) applications in construction, HSS provides preferred visual opportunities for the design of buildings and other structures.


UNIFORMITY

HSS provides uniformity of size, shape, strength and tolerances that make its use totally predictable, especially important for demanding OEM applications.


EASE OF FABRICATION

HSS can be readily bent, formed, punched and drilled. Improvements in connection design for fastening HSS to itself or other structural materials are improving the ease of fabrication in the field as well.


Classfication:

General structural steel pipe (welded pipe), galvanized structural steel pipe (welded pipe), oxygen-blown structural steel pipe (welded pipe), wire sleeve, metric structural steel pipe (welded pipe), idler pipe, deep well pump pipe, automobile pipe, transformer pipe, welded thin-wall pipe, welded special-shaped pipe, scaffold pipe and spiral structure steel pipe (welded pipe).


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