STEEL PIPE PILES

Usage:

1.Steel pipe piles are most efficient as friction piles, piles have substantial surfacarea that interacts with the surrounding soil to provide great frictional load resistance.

2.Steel pipe piles are used in conjunction with steel sheet piles to add lateral stiffness and bending resistance where laods exceed the capacity of sheet piles alone.

3.Strong vertical and horizontal supporting force.

4.Excellent instrusion capability.

Application:

1.Foundation of road bridge, railroad bridge and the poles of overpass.

2.For the foundation of buildings, machinery foundation, reventments, various kilns, tanks and stadiums.

3.Foundation of harbor and river structures, including harbors, rivers and maritine. structures, piers, breakwater, docks ,floodgates and dikes.

4.power stations ,building and utility construction industry .

Advantage:

1.stable  joint and easy adjustment of pile length .

2.convenient transport,easy handling and mass supply of steel pipe of consistent quality

QUALITY STANDARD

ERW HFI , EFW, LSAW, DSAW

GB/T 13793 Longitudinal electric resistance welded steel tubes

GB/T 6728 Cold formed steel hollow sections for general structure--Dimensions, shapes, weight and permissble deviations

ASTM A500 Cold Formed Welded and Seamless Carbon Steel Steel Structural Tubing in Round and Shapes

ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A139 / A139M - 04(2010) Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)

IS  3601 Steel tubes for mechanical & general engineering purposes. 

IS  4923 Steel tubes for Hollow sections used in structures 

JIS G3444 : Carbon Steel Tubes for General Structural Purpose

JIS G3457 : Arc Welded Carbon Steel Pipes

JIS A5525 : Steel Pipe Piles

EN 10219 Cold formed welded structural hollow sections of non-alloy and fine grain steels

EN 10296  Welded circular steel tubes for mechanical and general engineering purposes.

DIN 1626 WELDED CIRCULAR TUBES OF NON ALLOY STEELS WITH SPECIAL QUALITY EQUIREMENTS

BS 6363 WELDED COLD FORMED STEEL STRUCTURAL HOLLOW

BS 534 : Steel Pipes and Specials for Water and Sewage

BS 3601 : Steel Tubes for Pressure Purpose

TIS 427 : Electrically Welded Steel Water Pipes

SAW SSAW

SY/T 5040 Spiral submerged arc-welded steel pipe piles

ASTM A252 WELDEDAND SEAMLESS STEEL PIPE PILES

ANSI/AWWA C200 Steel Water Pipe - 6 in. (150 mm) and Larger

DIN 17120-84 WELDED CIRCULAR STEEL TUBES FOR STRUCTURAL STEEL WORK.

Coating Standard

ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

ISO 21809 Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems

DIN 30670 Polyethylen coatings of steel pipes and fittings

Steel Grade

GB/T 13793, GB/T 6728, GB 15831, SY/T 5040,CJ/T 3022

Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8

EN 10219  S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44, ST52

EN 10296 E275K, E355K, E460K

ASTM A500, ASTM A 53 Gr. A, Gr B, Gr C, Gr.D

ASTM A252 Grade 2, Grade 3

JIS G 3466 JIS G3444 JIS G3457 JIS A5525 SS330, SS440, SS490, SPHD, SPHE

Size

ERW, HFI, EFW

Outer Diameter 219mm-610mm (8 5/8"-24")

Wall Thickness 4mm-22mm

Length 0.5mtr-20mtr

LSAW, DSAW

Outer Diameter 219mm-1820mm

Wall Thickness 5.0mm-50mm

Length 6mtr-18mtr

SAW SSAW

Outer Diamter 219.1mm - 4064mm (8" - 160")

Wall Thickness 3.2 mm - 40mm

Length 6mtr-18mtr

COATINGS

External Coating / Wrapping to international standards such as AWWA, BS, JIS

• Coal tar enamel / Bitumen

• Polyethylene tape wrapping

• Coal tar epoxy coating

• Polyurethane coating

Internal Coating / Lining conforming to AWWA, BS, JIS such as

• Liquid epoxy coating

• Cement lining

• others

Test Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield

strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection

Mill Test Certificate EN 10204/3.1B

<p>We, Shanghai Unite Steel Trading Co., Ltd, are committed to integrate steel resources in china and serve the global steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise before. In the aspect of resources and information, we have established cooperative relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest history; BAO Steel- the biggest one; Northeast Special Steel Group-the biggest special steel manufacture; TPCO- largest seamless steel tube production enterprise; and some large powerful welded pipe producer: Tianjin United Steel Pipe Co., Ltd. Guangzhou JuYi Steel Pipe Co., Ltd. Tianjin Zhongshun Petroleum Steel Pipe Co., Ltd. Shengli Oilfield Longxi Petroleum Steel Tube Co., Ltd. Etc. What's more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want. Our company is specialized in Special steel bars and Steel tube products. They are classified as following: Special steel bars: carbon steel, alloy steel, mould steel, tool steel, gear steel, bearing steel, spring steel, high temperature steel, and stainless steel, etc. Steel tube products: general structure pipe, fluid pipe, mechanical processing pipe, oil tubing, casing pipe, line pipe and high pressure boiler tube, stainless steel pipe etc. We can supply steel products in China's National Standard, European Standard, American Standard and other national standard, etc. Please speak out your needs to us, and we will do our best and offer you our best reply! Let's expect China's steel product would ensure you to your good business development!</p>