Steel Pipe Grades Chart – API 5L and ISO 3183 Specifications
Yield Strength, Tensile Strength and Chemical Composition
Explore comprehensive steel pipe grade specifications based on API 5L and ISO 3183 standards. This chart details mechanical properties, chemical composition, and classification criteria.
The table covers two specification levels: PSL1 (standard quality) and PSL2 (enhanced performance requirements).
Available pipe delivery conditions include: R (As-rolled), N (Normalized), Q (Quenched and Tempered), and M (Thermo-mechanical processed).
Data is presented in both SI units (MPa) and USC units (psi) for global compatibility.
Carbon Equivalent Calculations for PSL2:
For low-carbon content (C < 0.12):
For high-carbon content (C > 0.12):
Chemical element symbols represent mass fraction percentages, providing insights into material composition and performance.
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