Hollow Section

Hollow Section

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Hollow Section

Hollow Section

Material of hollow section

ASTM A500 Grade B,
ASTM A513 (1020-1026)
ASTM A36 (A36)
EN 10210:S235,S355,S235JRH,
S355J2H,S355NH EN 10219:S235,S355,S235JRH, 
S275J0H, S275J2H, S355J0H, S355J2H


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Material of hollow section

ASTM A500 Grade B,
ASTM A513 (1020-1026)
ASTM A36 (A36)
EN 10210:S235,S355,S235JRH,
S355J2H,S355NH EN 10219:S235,S355,S235JRH, 
S275J0H, S275J2H, S355J0H, S355J2H



Rectangular/ Square hollow section manufacturing process
Rectangular/ Square hollow section are formed from coils and then ran through a series of dies. They are are welded from the inside to form their shape.


Process of hollow section
Cold Formed Square Hollow Section
Cold Formed Rectangular Hollow Section
Hot Finish Square Hollow Section
Hot Finish Rectangular Hollow Section




Types of hollow section
Carbon Hollow Section

A500 Gr-B Standard specification published by the ASTM for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes.
A513 Offers high weldability and is used frequently in structural applications in bridges and buildings as well as in both the automotive and appliance industry.

Carbon Steel Structural Hollow Sections Packaging and Advantages
Types of Packaging:
Bundles (hexagonal)
Wooden Boxes
Crates (steel/wooden)
Special crates for Structural Hollow Sections with each radius separated
Packaging for Carbon Steel Seamless Pipe as per customer’s requirements

Advantages :
High Strength
Resistant High Mechanical Stresses
Resistant to High Pressure
Resistant to High Temperature
Good Formality
Reusable
 

Stainless Hollow Section

304 Offers resistance to corrosion, has good formability and can be readily welded by all methods. One of the most commonly used grades across the industry.
304L   Extra low carbon avoids harmful carbide precipitation due to welding. Same corrosion resistance as 304 with lower mechanical properties.
316 Better pitting and corrosion resistance than 304, as well as higher strength at elevated temperatures. 316 can be used for valves, marine equipment, pumps, and chemical equipment.
316L Extra low carbon avoids harmful carbide precipitation due to welding. Same excellent corrosion resistance as 316. It exhibits the same high strength, toughness and workability as 304 alloys.