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ASTM A595 Low-Carbon Steel Tubes (Grade A, Grade B & Grade C) - Chemical Composition, Mechanical Properties and Industrial Applications

FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-

www.ladhanimetal.com

www.ladhanimetal.in

ladhanimetal@gmail.com

info@ladhanimetals.com

Introduction

ASTM A595 covers low-carbon steel tubes intended for structural, mechanical, and general engineering applications. These tubes are manufactured from high-quality low-carbon steel and provide excellent weldability, formability, machinability, and reliable mechanical properties.

ASTM A595 low-carbon steel tubes are widely used in construction, structural fabrication, machinery manufacturing, agricultural equipment, transportation equipment, industrial assemblies, and general engineering applications. The specification is suitable for applications requiring economical steel tubing with dependable performance and ease of fabrication.

Ladhani Metal Corporation is a manufacturer, supplier, and exporter of ASTM A595 low-carbon steel tubes, supplying premium-quality tubing products for industrial, structural, and engineering applications worldwide.


Applicable Standard

Standard Specification: ASTM A595

Organization: ASTM International

Title: Standard Specification for Low-Carbon Steel Tubes

This specification covers low-carbon steel tubes for structural, mechanical, and general engineering applications.


Forms of Supply

ASTM A595 steel tubes are supplied in the following forms:

  • Round tubes
  • Seamless tubes
  • Welded tubes
  • ERW tubes
  • Mechanical tubing
  • Structural tubing
  • Precision tubes
  • Cold finished tubes
  • Hot finished tubes
  • Cut-to-length tubes
  • Fabrication-ready tubes
  • Industrial tubing

Grades Covered Under ASTM A595

  • Grade A
  • Grade B
  • Grade C

Supply Condition

  • Hot finished
  • Cold finished
  • Welded
  • Seamless
  • Annealed
  • Normalized
  • Stress relieved

Surface Finish

  • Black finish
  • Mill finish
  • Pickled finish
  • Oiled finish
  • Smooth finish
  • Bright finish

Standard Sizes

Outside Diameter: 12.7 mm to 406.4 mm

Wall Thickness: 1.0 mm to 25 mm

Length: Up to 12 meters

Custom dimensions are available according to customer requirements.


Chemical Composition of ASTM A595 Low-Carbon Steel Tubes (%)

 

Elements

Grade A Carbon Steel

Grade A HSLA SS

Grade A HSLAS Cl1

Grade A HSLAS Cl2

Grade B Carbon Steel

Grade B HSLA SS

Grade B HSLAS Cl1

Grade B HSLAS Cl2

Grade C A606

Grade C A588/A

Grade C A588/B

Grade C A588/C

Grade C A588/K

Carbon

0.15–0.25

0.25 max

0.23 max

0.15 max

0.15–0.25

0.25 max

0.26 max

0.15 max

0.22 max

0.19 max

0.20 max

0.15 max

0.17 max

Manganese

0.30–0.90

1.35 max

1.35 max

1.35 max

0.40–1.35

1.35 max

1.50 max

1.50 max

1.25 max

0.80–1.25

0.75–1.35

0.80–1.35

0.50–1.20

Phosphorous

0.035 max

0.035 max

0.04 max

0.04 max

0.035 max

0.035 max

0.04 max

0.04 max

0.04 max

0.04 max

0.04 max

0.04 max

Sulfur

0.035 max

0.04 max

0.04 max

0.04 max

0.035 max

0.04 max

0.04 max

0.04 max

0.04 max

0.05 max

0.05 max

0.05 max

0.05 max

Silicon

0.060 max

0.060 max

0.060 max

0.060 max

0.060 max

0.060 max

0.060 max

0.060 max

0.30–0.65

0.15–0.50

0.15–0.40

0.25–0.50

Copper

0.20 max

0.20 max

0.20 max

0.20 max

0.20 max

0.20 max

A

0.25–0.40

0.20–0.40

0.20–0.50

0.30–0.50

Chromium

0.15 max

0.15 max

0.15 max

0.15 max

0.15 max

0.15 max

A

0.40–0.65

0.40–0.70

0.30–0.50

0.40–0.70

Nickel

0.20 max

0.20 max

0.20 max

0.20 max

0.20 max

0.20 max

A

0.40 max

0.50 max

0.25–0.50

0.40 max

Molybdenum

0.06 max

0.06 max

0.06 max

0.06 max

0.06 max

0.06 max

A

A

A

0.10 max

Vanadium

0.008 max

0.01 min

0.01 min

0.008 max

0.01 min

0.01 min

0.02–0.10

0.01–0.10

0.01–0.10

A

Columbium (Niobium)

0.008 max

0.005 min

0.005 min

0.008 max

0.005 min

0.005 min

A

A

A

0.005–0.05

Nitrogen

A

A

A

A

A

A

Aluminum

A

A

A

A

A

A

A

A

Notes       

  • A = No limit; analysis shall be reported.
  • Silicon or silicon + aluminum shall be sufficient to ensure uniform mechanical properties.
  • For HSLA steels, the sum of Cu + Ni + Cr + Mo shall not exceed 0.50% on heat analysis unless otherwise specified.
  • For SS steel, the sum of Chromium and Molybdenum shall not exceed 0.16% on heat analysis unless specified.
  • Vanadium and Columbium minimums may be satisfied separately or by combining their values.

Tensile Requirements

Property

Grade A

Grade B

Grade C

Yield Point, min, ksi [MPa]

55 [380]

60 [410]

60 [410]

Ultimate Tensile Strength, min, ksi [MPa]

65 [450]

70 [480]

70 [480]

Elongation in 2 in. [50 mm], min, %

23

21

21

 

 


Key Features of ASTM A595 Low-Carbon Steel Tubes

  • Excellent weldability
  • Good formability
  • Reliable mechanical strength
  • Good machinability
  • Uniform dimensional accuracy
  • Smooth surface finish
  • Easy fabrication
  • Cost-effective material solution
  • Suitable for structural applications
  • Long service life

Applications of ASTM A595 Steel Tubes

Construction Industry

  • Structural frameworks
  • Building supports
  • Fabricated structures
  • Construction assemblies

Mechanical Engineering

  • Machinery components
  • Equipment frames
  • Mechanical assemblies
  • Industrial supports

Transportation Industry

  • Vehicle structures
  • Trailer components
  • Transportation equipment
  • Utility systems

Agricultural Industry

  • Farm equipment
  • Agricultural machinery
  • Equipment supports
  • Structural components

Industrial Manufacturing

  • Fabricated products
  • Material handling systems
  • Industrial structures
  • Engineering components

General Engineering Applications

  • Steel fabrications
  • Structural supports
  • Utility equipment
  • Custom engineered products

Fabrication and Welding

ASTM A595 steel tubes offer excellent fabrication characteristics.

  • Suitable for conventional welding methods
  • Excellent cutting performance
  • Good bending properties
  • Easy machining operations
  • Suitable for structural fabrication
  • Good forming characteristics

The low-carbon composition provides excellent weldability and fabrication efficiency.


Heat Treatment

ASTM A595 tubes may be supplied in various heat-treated conditions.

  • Annealing improves ductility
  • Normalizing refines grain structure
  • Stress relieving reduces residual stresses
  • Heat treatment enhances mechanical properties where required

Advantages of ASTM A595 Low-Carbon Steel Tubes

  • Excellent weldability
  • Easy fabrication
  • Good strength-to-cost ratio
  • Reliable mechanical properties
  • Wide application range
  • Good durability
  • Excellent availability
  • Economical material choice
  • Suitable for industrial applications
  • Long operational life

Conclusion

ASTM A595 Grade A, Grade B, and Grade C low-carbon steel tubes are versatile tubing products designed for structural, mechanical, and engineering applications. Their excellent weldability, formability, machinability, and dependable mechanical properties make them suitable for construction, machinery manufacturing, transportation equipment, agricultural machinery, and industrial fabrication projects.

Ladhani Metal Corporation supplies ASTM A595 low-carbon steel tubes in various grades, sizes, and customized dimensions, providing reliable steel tubing solutions for structural and engineering applications worldwide.

FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-

www.ladhanimetal.com

www.ladhanimetal.in

ladhanimetal@gmail.com

info@ladhanimetals.com




















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 2026-06-17T11:42:51

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