Welders and piping experts prefer low carbon steel for things like boiler plates, wire products and seamless tubing and piping uses.

low temperature steel pipe

A/SA-333 Grades allow for cold temperature service to minus 150°F. Material is always provided in the normalized condition at a minimum and Charpy Impact tested to a specific temperature range to assure compliance with the required service temperature.

Sizes

1/4” Nominal to 24”O.D.
Wall Thickness – Schedule 10 through XXH

Low Carbon Steel Contents and Use

Low carbon steel is composed of 0.04 – 0.30 percent carbon. Welders and piping experts prefer low carbon steel for things like boiler plates, wire products and seamless tubing and piping uses. Auto manufacturers typically prefer low carbon steel for vehicle body panels. If the low temperature carbon steel piping is seamless, it can be installed when processing or manufacture piping requires low temperatures to avoid negative impact on this type of piping. One example of use of low temperature carbon steel pipe would be in processes where refrigerants are required to be 50° F. If this is the case, choose ASTM A333 Grade 6 Low Temp Seamless Carbon Steel for pipes transporting refrigerated process materials through a system. This is a simple guide to new installations of low carbon steel pipes with chemical components that include:

. Carbon (max) 0.30
. Manganese at 0.29-1.06
. Phosphorus (max) 0.025
. Sulfur (max) 0.025

Chemical Properties % Unspecified Chemistry Max %

(Note: This is similar chemistry to A106/SA106)

Mechanical Properties: Grade 1 Grade 6

Tensile Strength, min, psi (MPa) 55,000 (380) 60,000 (415)

Yield Strength, min, psi (MPa) 30,000 (205) 35,000 (240)

CVN Impact (Charpy) Test:

Minimum Impact Test Temperature

Grade 1 -50 (F) -45 (C)

Grade 6 -50 (F) -45 (C)

Heat Treatment:

Grades 1 and 6 shall be heat treated to control their microstructure.

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