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Mild Steel ERW Hollow Sections for General Engineering

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Mild Steel ERW Hollow Sections for General Engineering

Brand Name : Jinxi Pipe

Model Number : Hollow Section

Certification : ISO 9001,BV,SGS,TUV,CE

Place of Origin : China

MOQ : 1

Price : 400 USD/TON

Payment Terms : L/C,D/A,D/P,T/T,Western Union,MoneyGram

Supply Ability : 1000000

Delivery Time : 7 dyas

Packaging Details : Package with new steel straps 3+2+3, with 2 slings per package for lifting

Product Name : Carbon Steel Square Tube, Square Carbon Hollow Section, Square Hollow Section

ERW Hollow Sections Standard : ASTM A500

ERW Hollow Sections Tube Type : Welded and Seamless

ERW Hollow Sections OD : Square Hollow Section: 10mm*10mm - 500mm*500mm

ERW Hollow Sections Thickness : 0.5mm - 20mm

ERW Hollow Sections Length Range : 5.8/6/11.8/12/18 meters

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Mild Steel ERW Hollow Sections for General Engineering


Specifications


ERW Hollow Section is a type of steel pipe that is commonly used in construction and industrial projects. It is produced using Electric Resistance Welding (ERW) technology, which involves welding the edges of the steel strip together to form a tube.


American Standard Standard Name
A500/A500M Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes



ERW Hollow Sections Chemical Composition

Sources American Standard A500 / A500M TABLE 1 Chemical Requirements


Element Composition, %
Grades A, B and D Grace C
Heat Product Heat Product
Analysis Analysis Analysis Analysis
Carbon, max A 0.26 0.3 0.23 0.27
Manganese, max A 1.35 1.4 1.35 1.4
Phosphorus, max 0.035 0.045 0.035 0.045
Sulfur, max 0.035 0.045 0.035 0.045
Copper, min B 0.2 0.18 0.2 0.18
A For each reduction of 0.01 percentage point below the specified maximum for carbon, an increase of 0.06 percentage point above the specified maximum for manganese is permitted, up to a maximum of 1.50% by heat analysis and 1.60% by product analysis.
B If copper-containing steel is specified in the purchase order.



ERW Hollow Sections Mechanical Properties

Sources American Standard A500 / A500M TABLE 2 Tensile Requirements


Round structural tubing

Grade A Grade B Grade C Grade D
Tensile strength, min, psi (MPa) 45,000 (310) 58,000 (400) 62,000 (425) 58,000 (400)
Yield strength, min, psi, (MPa) 33,000 (230) 42,000 (290) 46,000 (315) 36,000 (250)
Elongation in 2 in. (50 mm), min, %D 25A 23B 21C 23B
Shaped structural tubing

Grade A Grade B Grade C Grade D
Tensile strength, min, psi (MPa) 45,000 (310) 58,000 (400) 62,000 (425) 58,000 (400)
Yield strength, min, psi, (MPa) 39,000 (270) 46,000 (315) 50,000 (345) 36,000 (250)
Elongation in 2 in. (50 mm), min, %D 25A 23B 21C 23B
A Applies to specified wall thicknesses (t) equal to or greater than 0.120 in. (3.05 mm). For lighter specified wall thicknesses, the minimum elongation values shall be calculated by the formula: percent elongation in 2 in. (50mm) = 56t + 17.5, rounded to the nearest percent. For A500M use the following formula: 2.2t + 17.5, rounded to the nearest percent.
B Applies to specified wall thicknesses (t) equal to or greater than 0.180 in. (4.57 mm). For lighter specified wall thicknesses, the minimum elongation values shall be calculated by the formula: percent elongation in 2 in. (50 mm) = 61t + 12, rounded to the nearest percent. For A500M use the following formula: 2.4t + 12, rounded to the nearest percent.
C Applies to specified wall thicknesses (t) equal to or greater than 0.120 in. (3.05 mm). For lighter specified wall thicknesses, the minimum elongation values shall be by agreement with the manufacturer.
D The minimum elongation values specified apply only to tests performed prior to shipment of the tubing.



ERW Hollow Sections Manufacturing Process


Mild Steel ERW Hollow Sections for General Engineering



ERW Hollow Sections Application


  • Structural Frameworks in Construction
  • Infrastructure and Public Works
  • Oil and Gas Industry
  • Water Supply and Fluid Conveyance
  • Agriculture and Irrigation
  • Automotive and Transportation Industry
  • Mechanical and General Engineering
  • Scaffolding and Temporary Structures
  • Furniture and Retail Displays



ERW Hollow Sections Packing & Loading


Hollow Section is transported in containers

Mild Steel ERW Hollow Sections for General Engineering


Hollow Section is transported in containers

Mild Steel ERW Hollow Sections for General Engineering




Product Tags:

welded hollow section

      

seamless hollow section

      

welded hollow structural section

      
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Mild Steel ERW Hollow Sections for General Engineering Images

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