A285

A285 is a carbon steel intended for fusion-welded applications and Kloeckner Metals is proud to supply it routinely across our nationwide network of branches.

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Typical Standards

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General Info About A285

It is a carbon steel that is formable and strong. It is intended for fusion-welding in applications like pressure vessel boilers, tanks, and heat exchangers. It has three grades: A, B, and C.

More Details About A285

  • Advantages/Disadvantages

    It is easy to form, machine and weld. This grade is specifically intended for fusion-welded pressure vessels and is not recommended for structural and other applications.

  • Industries

    It is seen in the oil and gas industry.

  • Applications

    It is intended for all kinds of fusion-welded process vessels, heat exchangers, and storage tanks. This includes: columns, reactors, gravity separators, boiler drums, and cooling towers.

  • Machining

    It has good machinability.

  • Welding

    It has excellent weldability.

  • Heat Treatment

    It is heat treatable.

Chemical Properties of Grade A

CMnPS
0.17.90.0350.035

Mechanical Properties of Grade A

Mechanical Properties
MetricImperial
Tensile Strength, Ultimate310 - 450 MPa45,000 - 65,000 psi
Tensile Strength, Yield165 MPa24,000 psi
Elongation at Break30%30%

Chemical Properties of Grade B

CMnPS
0.22.90.0350.035

Mechanical Properties of Grade B

Mechanical Properties
MetricImperial
Tensile Strength, Ultimate345 - 485 MPa50,000 - 70,000 psi
Tensile Strength, Yield215 MPa27,000 psi
Elongation at Break28%28%

Chemical Properties of Grade C

CMnPS
0.28.90.0350.035

Mechanical Properties Grade C

Mechanical Properties
MetricImperial
Tensile Strength, Ultimate380 - 515 MPa55,000 - 75,000 psi
Tensile Strength, Yield205 MPa30,000 psi
Elongation at Break27%27%

Frequently Asked Questions About A285

  • What is the difference between grades A, B, and C?

    There are three grades of this steel: A, B, and C. All grades are meant for fusion-welded pressure vessels. They increase in tensile strength from A to C, and their chemical properties vary slightly. For more information regarding the specifications for all three grades, please see the ATSM standards.

  • How does A283 compare to A285?

    A283 is a low carbon structural steel. Only SA283 steel plate would be viable for similar pressure vessel applications to A285.

  • Which grade has the highest tensile strength?

    Grade C shows the highest tensile strength at 380 – 515 MPa.

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