ASME BPVC.II.A-2025 SA-105/SA-105M SA105: ASME designation for A105 carbon steel. Identical chemistry and properties. Used in pressure vessel and boiler applications.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C
Mn
Si
P
S
≤0.35
0.60–1.05
0.10–0.35
≤0.035
≤0.040
Mechanical Properties
Tensile Strength
485 MPa min
Yield Strength
250 MPa min
Elongation
≥22%
Hardness
≤197 HB
Typical Available Sizes
Round Bar
50mm–500mm dia
Forging
Custom sizes
Sizes are indicative. Contact seller for exact availability.