Grade A AM FCE

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The grade is manufactured to the highest quality standards in order to meet the most stringent specifications for use in welded tubes and pipes. The reference standard is API 5L (American Petroleum Institute).

Specific requirements such as HIC (hydrogen-induced cracking) resistance or high ductility at low temperature can also be guaranteed.

This grade has very high tensile strength and toughness at very low temperatures. Furthermore, they offer excellent weldability because of their exceptionally low carbon equivalent value.

This grade is used to manufacture pipes for the transport of gaseous or liquid materials such as water or oil.

Related Standards

This material data has been provided by ArcelorMittal.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts


Technological properties

Application areas

This steel is used to manufacture pipes for the transport of gaseous or liquid materials such as water or oil.

Chemical composition

The chemical properties specified are in accordance with the requirements of API 5L for PSL2-type pipes; other properties are available on request.

Delivery condtion

For the dimensions available please visit Dimension tables (see Table C).


HIC (According to NACE-STD-TM-0284) possible on request for thickness in the range of 5-140 mm

Direction Thickness (mm) HIC As delivered
A AM FCE T 5 - 140 ≥ X ≥ AR
AR: As Rolled, X: Possible on request

Mechanical properties

The mechanical properties of the pipes will depend on:

(1)The Bauschinger effect, which in turn depends on:

  • The grade and chemical composition of the steel
  • The type of pipe (ERW or SAW)
  • The type of pipe manufacturing line

    (2)The post-treatment (full-body post-heating/stress relieving post-heating) that is sometimes performed by the client

    (3)The angle of the weld on spiral tubes (this will influence the direction of the tensile test with respect to the rolling direction)

    The evolution of the mechanical properties - and in particular of the difference in yield strength between the sheet and the pipe - is specific for each process. It is therefore very important to indicate both the forming and the welding process as well as the aforementioned sheet/pipe difference. An agreement between ArcelorMittal and the client on the mechanical properties to be guaranteed must be reached prior to the delivery. The mechanical properties specified, in the thickness ranges proposed and supplied as described, enable the requirements of API 5L PSL2 standard to be met on the finished pipe.