structural seamless steel pipe

SSAW Pipe,Steel Section,petro-chemical
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  • SSAW Pipe,Steel Section,petro-chemical
  • SSAW Pipe,Steel Section,petro-chemical
  • SSAW Pipe,Steel Section,petro-chemical
  • SSAW Pipe,Steel Section,petro-chemical
  • SSAW Pipe,Steel Section,petro-chemical
  • SSAW Pipe,Steel Section,petro-chemical
  • SSAW Pipe,Steel Section,petro-chemical
  • SSAW Pipe,Steel Section,petro-chemical
  • SSAW Pipe,Steel Section,petro-chemical
  • SSAW Pipe,Steel Section,petro-chemical

structural seamless steel pipe

Product Name Structural seamless Steel Pipe
Application Applicable to the general structure, mechanical structure,including construction, machinery, transportation, aviation, petroleum mining and each kind of structural tubes.
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 ASTM A53  ASTM A519  ASTM A500
JIS G3444
DIN1629  EN 10210/10219
Surface Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating
End Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Packing Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped
  • Description
  • Specification
  • Standard
  • Process
  • Packing
Introduction
Structure seamless steel pipe is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas, and air lines. It is suitable for welding, and suitable for forming operations involving coiling, bending, and flanging, subject to certain qualifications.

Aplication
Regardless of application use, structural pipe is a material used across a vast array of industries.

Some main industry uses include:
Agriculture
Automotive
Construction
Energy
Machinery
Oil and Gas

Shoring                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                

Type: Generally speaking, structural pipe is a kind of steel structural pipe that meets some chemical composition and mechanical performance standards. This pipe can be used in a variety of structural applications, and there are many types of structural pipes available. Common types of structural pipe include: seamless steel pipe: seamless steel structural pipe is a durable pipe product, which is usually used for Wharf piling, pipe piling, caisson and bollard. ERW steel pipe: this structural pipe is usually called high-quality pipeline pipe by the construction industry and is usually used by oil and utility companies. The steel pipe can be used for the construction of sign posts, columns, docks and tunnels. Spiral steel pipe: This is an economical and durable structural pipe, which provides durability for road casing, piling and trench. DSAW carbon steel pipe: this structural pipe is welded on the outer diameter and inner diameter. It has many different grades and is used for road casing, road drilling, culvert, etc. Fence pipe: This is a kind of structural pipe, which is more and more popular in building fence because of its high durability and strength. This structural pipe is used to close parks, parking lots, etc. Culvert pipe: this type of pipe is not necessary for high-quality or very durable structural pipes, but for construction pipes for water diversion under and around driveways, water and sewer systems, drainage systems and temporary bridges.

Standard Grade Chemical Composition (%) Mechanical Properties
ASTM A53 C 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 A106 A ≤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 A179 A179 0.06-0.18 - 0.27-0.63 ≤0.035 ≤0.035 ≥325 ≥180
ASTM A192 A192 0.06-0.18 ≤0.25 0.27-0.63 ≤0.035 ≤0.035 ≥325 ≥180
API 5L PSL1 A 0.22 - 0.9 0.03 0.03 ≥331 ≥207
B 0.28 - 1.2 0.03 0.03 ≥414 ≥241
X42 0.28 - 1.3 0.03 0.03 ≥414 ≥290
X46 0.28 - 1.4 0.03 0.03 ≥434 ≥317
X52 0.28 - 1.4 0.03 0.03 ≥455 ≥359
X56 0.28 - 1.4 0.03 0.03 ≥490 ≥386
X60 0.28 - 1.4 0.03 0.03 ≥517 ≥448
X65 0.28 - 1.4 0.03 0.03 ≥531 ≥448
X70 0.28 - 1.4 0.03 0.03 ≥565 ≥483
API 5L PSL2 B 0.24 - 1.2 0.025 0.015 ≥414 ≥241
X42 0.24 - 1.3 0.025 0.015 ≥414 ≥290
X46 0.24 - 1.4 0.025 0.015 ≥434 ≥317
X52 0.24 - 1.4 0.025 0.015 ≥455 ≥359
X56 0.24 - 1.4 0.025 0.015 ≥490 ≥386
X60 0.24 - 1.4 0.025 0.015 ≥517 ≥414
X65 0.24 - 1.4 0.025 0.015 ≥531 ≥448
X70 0.24 - 1.4 0.025 0.015 ≥565 ≥483
X80 0.24 - 1.4 0.025 0.015 ≥621 ≥552

Standard Grade Chemical Composition Mechanical Properties
C Si Mn P S Cr 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
20 0.17-0.24 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

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 clarkpipe. The specification is expressed in mm of nominal diameter, which should comply with the provisions of GB/ t3091-2008 for low-pressure fluid transportation.

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