Q: What is the difference in carbon content between ASTM A106 Gr. A and Gr. B?
A: ASTM A106 Gr. A has a maximum carbon content of 0.25%, while Gr. B has a maximum of 0.30%, giving Gr. B higher strength.
Q: What is the minimum tensile strength for ASTM A106 Gr. C?
A: The minimum tensile strength for ASTM A106 Gr. C is 70,000 psi (483 MPa).
Q: Can ASTM A106 Gr. B be used for low-temperature service?
A: Yes, but impact testing is required if specified for low-temperature applications, such as down to -20°F (-29°C).
Q: What is the yield strength range for API 5L X52 seamless pipe?
A: API 5L X52 has a minimum yield strength of 52,000 psi (359 MPa).
Q: What are the sour service requirements for API 5L X65?
A: For sour service (H2S environments), API 5L X65 must have restricted hardness (max 22 HRC), controlled chemistry, and pass sulfide stress cracking tests per NACE MR0175.
