Minimal Match — 34.5% match
based on chemical composition and mechanical property overlap.
ASTM A240/A240M S31640 (ASTM A240/A240M:2025) and GOST 5632 06Kh23N28 (GOST 5632-2014) are both steel grades.
Both fall under the Stainless Steel category.
ASTM A240/A240M S31640 is typically used for pressure vessels and general applications (plate, sheet and strip), while GOST 5632 06Kh23N28 is commonly used for furnace components, heat exchangers, high temperature applications.
ASTM A240/A240M S31640 is defined under ASTM International (United States).
As per chemical composition, ASTM A240/A240M S31640 vs GOST 5632 06Kh23N28 is a 51.8% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 34.5%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
ASTM A240/A240M S31640
GOST 5632 06Kh23N28
Tensile Strength
>=515 MPa
≥510 MPa
Yield Strength
>=205 MPa
≥196 MPa
Elongation
>=30%
≥35%
Hardness
<=217 HB
Not specified
Condition
Plate, sheet and strip; yield by 0.2 percent offset
Not specified
Max Service Temp
Not specified
1050°C
Typical Applications
ASTM A240/A240M S31640
Pressure vessels and general applications (plate, sheet and strip)
GOST 5632 06Kh23N28
Furnace components, heat exchangers, high temperature applications
Key Differences
ASTM A240/A240M S31640 specifies P, S, Mo, N which are not specified for GOST 5632 06Kh23N28.
Can ASTM A240/A240M S31640 Be Substituted With GOST 5632 06Kh23N28?
ASTM A240/A240M S31640 and GOST 5632 06Kh23N28 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between ASTM A240/A240M S31640 and GOST 5632 06Kh23N28?
ASTM A240/A240M S31640 specifies P, S, Mo, N which are not specified for GOST 5632 06Kh23N28.
Can ASTM A240/A240M S31640 be substituted with GOST 5632 06Kh23N28?
ASTM A240/A240M S31640 and GOST 5632 06Kh23N28 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.