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Structural Steel Pipe

2021-12-03 14:52:22
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Structural Steel Pipe
Details:

Pipe Type: Structural Pipe, Structural Seamless Pipe, Seamless Structural Pipe

Application: In Structural Engineering and Construction Industry

Specification: OD: 1/8'' ~ 26'' (10.3 ~ 660mm)

WT: SCH 10 ~ 160, SCH STD, SCH XS, SCH XXS

LENGTH: Fixed Length (5.8/6/11.8/12mtr), SRL, DRL

Standard: ASTM A53/A252/A500/A501, JIS G3444, EN 10210/10219

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

Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating

Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped

Structural Steel Pipe Manufacturing Process 

Specification of Structural Steel Pipe

API 5L/ASTMA106GR.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


Structural Steel Pipe Chemical Composition and Mechanical Properties

StandardGradeChemical Composition (%)
Mechanical Properties
ASTM A53C
Si
Mn
P
S
Tensile STrength(Mpa)
Yield STrength(Mpa)

A≤0.25
-≤0.95
≤0.05
≤0.06
≥330
≥205

B≤0.30
-≤1.2
≤0.05
≤0.06
≥415
≥240

ASTM A106A
≤0.30
≥0.10
0.29-1.06
≤0.035
≤0.035
≥415
≥240

B
≤0.35
≥0.10
0.29-1.06
≤0.035
≤0.035
≥485
≥275

ASTM A179A1790.06-0.18
-0.27-0.63
≤0.035
≤0.035
≥325≥180

ASTM A192A1920.06-0.18
≤0.25
0.27-0.63
≤0.035
≤0.035
≥325
≥180

API 5L PSL1A0.22
-0.90
0.030
0.030
≥331
≥207

B
0.28
-1.200.030
0.030
≥414
≥241

X42
0.28
-1.300.030
0.030
≥414
≥290

X46
0.28
-1.400.030
0.030
≥434
≥317

X52
0.28
-1.40
0.030
0.030
≥455
≥359

X56
0.28
-1.40
0.030
0.030
≥490
≥386
X60
0.28
-1.40
0.030
0.030
≥517
≥448
X65
0.28
-1.40
0.030
0.030
≥531
≥448
X70
0.28
-1.40
0.030
0.030
≥565
≥483

API 5L PSL2B
0.24
-1.20
0.025
0.015
≥414
≥241

X42
0.24
-1.30
0.025
0.015
≥414
≥290

X46
0.24
-1.40
0.025
0.015
≥434
≥317

X52
0.24
-1.40
0.025
0.015
≥455
≥359

X56
0.24
-1.40
0.025
0.015
≥490
≥386

X60
0.24
-1.40
0.025
0.015
≥517
≥414

X65
0.24
-1.40
0.025
0.015
≥531
≥448

X70
0.24
-1.40
0.025
0.015
≥565
≥483

X80
0.24
-1.40
0.025
0.015
≥621
≥552

Structural Steel Pipe Chemical Composition and Mechanical Properties

Standard
Grade
Chemical Composition
Mechanical Properties
C
Si
Mn
PSCr
Ni
Cu
Tensile Strength(Mpa)
Yield Strength(Mpa)
Elongation(%)
GB/T8163
10
0.07-0.14
0.17-0.37
0.35-0.65
≤0.035
≤0.035
≤0.15
≤0.25
≤0.25
335-457
≥205
≥24
200.17-0.24
0.17-0.37
0.35-0.65
≤0.035
≤0.035
≤0.25
≤0.25
≤0.25
410-550
≥245
≥20
Q345
0.12-0.20
0.20-0.55
1.20-1.60
≤0.045
≤0.045
---490-665
≥325
≥21

Structural Steel Pipe Tolerance

Pipe types
Pipe Szie(mm)
Tolerances
Hot rolled
OD
All
±1% (min ±0.50mm)
WT
All
+15%, -12.5%
Cold drawn
OD6~10
±0.20mm
10~30
±0.40mm
30~50
±0.45mm
>50
±1%
WT≤1
±0.15mm
>1~3
+15% -10%
>3
+12.5% -10%

Structural Steel Pipe End

Plain EndWall Thickness less than 0.5 inch, including SCH STD & SCH XS
Plain End (Square Cut)Wall Thickness over 0.5 inch, including SCH XXS
Beveled EndWall Thickness less than 0.5 inch, including SCH STD & SCH XS 
CouplingsOutside Diameter equal or less than 2''
Thread ProtectionOutside Diameter over 4 inch

Product Advantages of Structural Steel Pipe 

We can produce all sizes of structural pipes, according to European, Chinese, American, Japanese standard. With fast delivery time, supportive payment term.

All tubes production processes are controlled strictly, with high level of quality requirement, all tubes are inspection before delivery, and also accept third party inspection before delivery.

 Structural Steel Pipe Classification and Application 

TypesApplication
Structure Purposes
General structure and mechanical
Liquid Services
Petroleum, gas and other fluids conveying
Low and Medium Pressure
Steam and boiler manufacturing
Hydraulic Pillar Service
Hydraulic support
Auto Semi-shaft Casing
Auto sem-shaft casing
Line Pipe
Oil and gas conveying
Tubing and Casing
Oil and gas conveying
Drill Pipes
Well drilling
Geological Drilling Pipe
Geological drilling
Petroleum Cracking Tubes
Furnace tubes, heat exchangers


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