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Carbon Steel Tube

Structural and Tested Pipe is stocked at Industrial Tube & Steel Corporation in both seamless and welded with a variety of sizes to meet the structural and mechanical piping requirements for applications in water, petroleum, oil & gas, construction and other industries. Carbon steel pipe can be structural in nature or used in fluid, gas, and oil transmission. We stock carbon steel piping in ASTM A500, A53, and A106 specifications. The grade indicates the testing methods required for a given application.
  • product description


ASTM A53 seamless and welded steel pipe is a general, all-purpose pipe. Designed for coiling, bending and flanging, A53 carbon steel pipe is suitable for welding. The grades denote certain chemical and mechanical properties and should be noted in selection. A53 pipe is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas and air lines, Low pressure systems, Structural applications, Mechanical components, Bollards, Casing, generator plants, refineries, compressor stations, natural gas transmission, and steam conduction.

Made from 1025 to 1030 Steel
Meets ASTM A53

A53 Pipe Tolerances


ASTM A106 seamless steel pipe covers seamless carbon steel nominal wall pipe for high-temperature service, suitable for bending, flanging and similar forming operations. NPS 1-1/2 and under may be either hot finished or cold drawn. NPS 2 and larger shall be hot finished unless otherwise specified. Surface finish standards are outlined in the specification.

A106 pipe is always produced by the seamless method and can be bent, coiled and flanged and is intended for use in high temperature applications, Pressure systems, Mechanical components, Structural applications, Spreader bars.

Made from 1025 to 1035 Steel
Meets ASTM A106
A106 Pipe Tolerances


Physical Requirements - A53
Seamless & ERW Grade A Grade B
Tensile Strength (min. psi) 48,000 60,000
Yield Strength (min. psi) 30,000 35,000
Chemical Requirements - A53
Element Grade A Grade B
Carbon (max %) 0.250 0.300
Manganese (%) 0.950 1.200
Phosphorus (max %) 0.050 0.050
Sulfur (max %) 0.045 0.045


Physical Requirements - A106
Seamless Grade A Grade B Grade C
Tensile Strength (min. psi) 48,000 60,000 70,000
Yield Strength (min. psi) 30,000 35,000 40,000
Chemical Requirements - A106
Element Grade A Grade B Grade C
Carbon (max %) 0.250 0.300 0.350
Manganese (%) 0.270 - 0.930 0.290 - 1.060 0.290 - 1.060
Phosphorus (max %) 0.035 0.035 0.035
Sulfur (max %) 0.035 0.035 0.035
Silicon (min %) 0.100 0.100 0.100

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