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STRUCTURAL STEEL PIPE
STRUCTURAL STEEL PIPES
STRUCTURAL STEEL TUBE
STRUCTURAL STEEL TUBES
STRUCTURAL STEEL PIPE
STRUCTURAL STEEL PIPES
STRUCTURAL STEEL TUBE
STRUCTURAL STEEL TUBES

STRUCTURAL STEEL PIPE

The structure steel pipe has hot – rolled seamless steel tube and welded steel tube.The seamless steel tube for structure is divided into two types according to the provisions of “seamless steel tube for structure”
Delivery:Within 30 days and Depends on your order quantity.
Payment:TT, LC , OA , D/P
Product Introduction
Technical data
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Product Introduction
Keywords(pipe type):Structural Pipe, Structural Seamless Pipe, Seamless Structural Pipe
Size: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 & Grade:ASTM A53/A252/A500/A501, JIS G3444, EN 10210/10219
Ends :Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Delivery:Within 30 days and Depends on your order quantity.
Payment:TT, LC , OA , D/P
Packing:Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped
Usage:1. Liquid transportation: water supply and drainage; 2. Gas transportation: gas, steam, liquefied petroleum gas; 3. Construction: piling pipes, bridges engineering, roads, building structures etc

The structure steel pipe has hot – rolled seamless steel tube and welded steel tube.The seamless steel tube for structure is divided into two types according to the provisions of “seamless steel tube for structure” (GB/ t8162-2008) : hot rolling (extrusion, expansion) and cold drawing (rolling).The outer diameter of hot-rolled steel pipe is 32-630mm and the wall thickness is 2.5-75mm. The outer diameter of cold-drawn steel pipe is 5-200mm and the wall thickness is 2.5-12mm. Welded steel pipe is made of steel plate or steel strip after crimping and forming, which can be divided into straight welded steel pipe and spiral welded steel pipe.The outer diameter and wall thickness of the direct-welded steel pipe are 5-508mm and 0.5-12.7mm respectively, which shall comply with the provisions of GB/ t3793-2008.The welded steel pipe for low-pressure fluid transportation is also called common welded pipe, commonly known as clark pipe. The specification is expressed in mm of nominal diameter, which should comply with the provisions of GB/ t3091-2008 for low-pressure fluid transportation.
Technical data
Chemical Composition
Grade C Mn P S Si Cr Mo
1010 0.08-0.13 0.30-0.60 ≤0.04 ≤0.05 - - -
1020 0.08-0.23 0.30-0.60 ≤0.04 ≤0.05 - - -
1045 0.43-0.50 0.60-0.90 ≤0.04 ≤0.05 - - -
4130 0.28-0.33 0.40-0.60 ≤0.04 ≤0.05 0.15-0.35 0.80-1.10 0.15-0.25
4140 0.38-0.43 0.75-1.00 ≤0.04 ≤0.05 0.15-0.35 0.80-1.10 0.15-0.25

Mechanical Properties
Grade Condition Tensile strength Mpa(min) Yield stength Mpa(min) Elongation %(min)
1020 CW 414 483 5
SR 345 448 10
A 193 331 30
N 234 379 22
1025 CW 448 517 5
SR 379 483 8
A 207 365 25
N 248 379 22
4130 SR 586 724 10
A 379 517 30
N 414 621 20
4140 SR 689 855 10
A 414 552 25
N 621 855 20
 










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