SSAW ASTM A252 pipes

ASTM A252 standard covers nominal wall cylindrical steel pipe piles in which the steel cylinder acts as a permanent load-carrying member or as a shell to form cast-in-place concrete piles.

Each welded pile shall be made by seamless, electric resistance welding, flash welding or fusion welding with longitudinal, helical-butt, or helical-lap seams. This specification also deals with material tensile requirements, minimum elongation values and common size and weights per unit length values.

SSAW pipe is made of hot rolled coiled steel by automatic submerged arc weld under normal atmospheric temperature. All the pipes are produced according to API Spec 5L, GB/T9711.1, GB/T9711.2, ASTM A252-89 standard. These pipes mainly used in petroleum and natural gas industry to transport flammable and non-flammable liquid and steel construction.

• O.D.:219-3040mm W.T.:5-30mm
• Steel Grade: ASTM A252 Grade1, Grade2, Grade3
• Standard pipes and tubes for piles, columns, structural and other mechanical uses.
• Piling pipes for low-pressure, high-density purposes

Quality Assurance -- Quality Control

+ Outside Diameter Control
Hydrostatic Testing
+ X-Ray Testing Online

Mill Test Certificate: EN 10204/3.1B 
Third party inspection: SGS, BV, Lloyds etc.

Double Submerged Arc Welded steel pipe

Double Submerged Arc Welded (DSAW) steel pipe is available in straight and spiral welded formats and used in a variety of applications. The submerged welding process protects the steel from contamination of impurities in the air. Both inside and outside welds are performed.

DSAW pipe can be specified in very large diameter and to exact inside or outside dimensions. Spiral Welded steel pipe is distinguished by the manufacturing process that results in a spiral DSAW seam the length of the pipe to lengths of 155 feet. 

The manufacturing of Double Submerged Arc Welded Pipe involves first forming steel plates into cylindrical shapes. Then the edges of the rolled plate are formed so that V-shaped grooves are formed on the interior and exterior surfaces at the location of the seam. The pipe seam would then be welded by a single pass of an arc welder on the interior and exterior surfaces. The welding arc is submerged under flux. What can be known as an advantage of this process is that welds would penetrate 100% of the pipe wall and produce a very strong bond of the pipe.

Full Supply Ltd have been supplying EFW Electric Fusion Welded Pipe for many years. We supply DSAW Pipe to the folowing industries on a global scale:

• Oil Industry
• Gas Industry
• Filtration Industry
• Refrigeration Industry
• Refining Industry
• Petrochemical Industry
• Offshore Industry

Large Diameter DSAW, Spiral Welded / Helical

• Grades:
  • API 5L, Gr B, X42 to X70
  • ASTM A252 Gr.2, Gr. 3
• Outside Diameter: 12” to 160”
• Wall Thickness: 0.250" to 1.00"
• Length: Maximum 60 feet (we can supply specific lengths)
• End Finish: Bevel End, Special Bevel End, Square Cut
• Special Requirement: For any specific job we can provide welded lugs, brackets as per the drawings or your needs.

DSAW pipe

Double Submerged Arc Welded (DSAW) steel pipe is available in straight and spiral welded formats and used in a variety of applications. The submerged welding process protects the steel from contamination of impurities in the air. Both inside and outside welds are performed.

DSAW pipe can be specified in very large diameter and to exact inside or outside dimensions. Spiral Welded steel pipe is distinguished by the manufacturing process that results in a spiral DSAW seam the length of the pipe to lengths of 155 feet. 

The manufacturing of Double Submerged Arc Welded Pipe involves first forming steel plates into cylindrical shapes. Then the edges of the rolled plate are formed so that V-shaped grooves are formed on the interior and exterior surfaces at the location of the seam. The pipe seam would then be welded by a single pass of an arc welder on the interior and exterior surfaces. The welding arc is submerged under flux. What can be known as an advantage of this process is that welds would penetrate 100% of the pipe wall and produce a very strong bond of the pipe.

Full Supply Ltd have been supplying EFW Electric Fusion Welded Pipe for many years. We supply DSAW Pipe to the folowing industries on a global scale:

• Oil Industry
• Gas Industry
• Filtration Industry
• Refrigeration Industry
• Refining Industry
• Petrochemical Industry
• Offshore Industry

Large Diameter DSAW, Spiral Welded / Helical

• Grades:
  • API 5L, Gr B, X42 to X70
  • ASTM A252 Gr.2, Gr. 3
• Outside Diameter: 12” to 160”
• Wall Thickness: 0.250" to 1.00"
• Length: Maximum 60 feet (we can supply specific lengths)
• End Finish: Bevel End, Special Bevel End, Square Cut
• Special Requirement: For any specific job we can provide welded lugs, brackets as per the drawings or your needs.

LSAW steel pipe

LSAW (Longitudinally Submerged Arc Welded Steel pipes) in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production.

LSAW Steel Pipe For Oil & Gas pipeline
Material: As per API 5L, the steel grade covers X80 and lower,
Size Range:

• Dimension: Outer diameter: Ф406-1524mm
• Wall thickness: 6-40mm
• Unit length: 8-12.1m

LSAW Steel Pipe For Construction

• Size range: Outer diameter: Ф350-1600mm
• Wall thickness: 6-60mm
• Unit length: 6-12m

Roller Pipe

• Size range: Outer diameter: Ф1200-3800mm
• Wall thickness: 12-120mm
• Unit length (max) 3.2m

Thick Walled Large Diameter LSAW Pipe

Our mills has introduced advanced U.S. Lincoln automatic welding devices, and the international production of West German high-end quality JCOE molding technology, professional production of large diameter thick wall straight seam double submerged arc welding production line 4, the advanced German steel production equipment, with high technology, advanced technology and so on, straight seam steel several participating countries and the fluid transmission of major structural engineering projects, the company has become the designated use of structural steel enterprises, low pressure fluid supply pipe unit.

Size: OD :351-1050mm, thickness :8-30mm

material: 20 #, 16Mn, Q235B, Q345B, X42, X52, alloy steel, stainless steel.

Longitudinally Submerged Arc Welded carbon steel pipes
(LSAW Pipes)with JCOE forming mode

Roller Pipes Process Flow

Range of roller pipes: Outer diameter: Ф1200-3800mm  |  Wall thickness: 12-120mm  |  Unit length (max) 3.2m.

Square hollow section

Our square hollow sections are used in mechanical engineering and steel construction, even for demanding applications.

Square steel tube comes in different sizes, specifications and wall thicknesses. Its uniformity makes it predictable to use and visually appealing. It has a high weight-to-strength ratio. It’s easy to bend, and because square steel tubing is inexpensive, it’s cost-effective- even for large projects.

Square Hollow Section, SHS, Square Box, Painted, Galvenised, ERW, Black, Mild Steel

• Steel Grade: Q235, Q345, S235JR, S275JR, SS4007
• Surface Finish: hot dipped galvanized, electro galvanized, black
• SHS (Square Hollow Section) Size range Table 2. 

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Steel tube is easily recyclable. Many projects take advantage of square steel tubing, including all types of buildings, highway guardrails and signage, support columns, trusses, bridges, heavy equipment, storage systems, and exercise equipment.

A wide range of dimensions, when combined with the appropriate steel grade, ensure that the functionality and cost-efficiency of your structure can be optimised.

Keywords:Square Hollow Section, SHS, Square Box, Painted, Galvenised, ERW, Black, Mild Steel

Steel Grade: Q235, Q345, S235JR, S275JR, SS4007

Standard: GB700-88, EN10219, JIS G3101, BS EN 10219:199
Surface Finish: hot dipped galvanized, electro galvanized, black
Note: A: with, T: wall thickness

SHS (Square Hollow Section) Size range Table 2. 

Tolerances:

Length	+/- 50 MM
Wall Thickness	+/- 12.5%
Weight	+/- 8%

Mill Test Certificate: EN 10204/3.1B 
Third party inspection: SGS, BV, Lloyds etc.

Note: Pre-galvanized square / rectangular hollow section with OD 19mm-70mm and thickness 1mm-2.3mm are also available.

Application:
Furniture industries & domestic applications, bus body, fencing etc. Sizes other than mentioned above can also be produced upon specific requirements.



Related information of welded pipes:

• ASTM A53 Standard Specifications
• High-density polyethylene jacket pipe
• Electric resistance welding at a glance
• Type of anti-corrosion steel pipe
• Difference between ERW, SSAW, LSAW
• ASTM A252-89 Welded and seamless steel pipe piles