ASTM A106 Gr. C pipeline

ASTM A106 Gr. C pipeline

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Description

Chemical Composition and Mechanical Properties of A106 Grade C Pipes

A106 Grade C pipes have specific chemical and mechanical properties.

Chemical Composition:

Element Maximum Percentage
Carbon 0.35%
Manganese 0.29-1.06%
Phosphorus 0.035%
Sulfur 0.035%
Silicon 0.10% min

Mechanical Properties:

Property Value
Tensile Strength (min) 70,000 psi (485 MPa)
Yield Strength (min) 40,000 psi (275 MPa)

Applications and Industries Using A106 Grade C Pipelines

A106 Grade C pipes are widely used in various industries:

  1. Oil and gas transmission pipelines
  2. Petrochemical plants
  3. Power generation facilities
  4. High-pressure steam lines
  5. Boiler systems
  6. Chemical processing plants
  7. Refineries

Manufacturing Processes and Available Forms

A106 Grade C pipes are manufactured as seamless pipes through hot rolling or cold drawing processes. They are available in:

  • Sizes: 1/4″ NB to 30″ NB
  • Wall Thickness: Schedule 20 to Schedule XXS
  • Lengths: 5 to 7 meters, 9 to 13 meters, single and double random lengths

Comparison of A106 Grade C with Other Grades

Property Grade A Grade B Grade C
Tensile Strength (min) 48,000 psi 60,000 psi 70,000 psi
Yield Strength (min) 30,000 psi 35,000 psi 40,000 psi
Heat Treatment Not required Normalized Full annealing or normalizing

Grade C offers the highest strength among A106 grades, making it suitable for high-pressure and high-temperature applications.

Quality Standards and Testing for A106 Grade C Pipes

A106 Grade C pipes adhere to ASTM A106 / ASME SA106 standards and undergo various tests:

  1. Tensile strength testing
  2. Chemical composition analysis
  3. Hydrostatic testing
  4. Non-destructive testing

At HL Steel Company, we ensure that all our A106 Grade C pipelines meet or exceed these quality standards, providing our customers with reliable and high-performance products for their diverse industrial needs.

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