Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
CSA G40.21 260W (CSA G40.21-13 (R2023)) and GOST 19281 09G2S (GOST 19281-2014) are both steel grades.
Both fall under the Structural Steel category.
CSA G40.21 260W is typically used for bridges, buildings, general structural fabrication, storage tanks, older infrastructure projects., while GOST 19281 09G2S is commonly used for used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components..
CSA G40.21 260W is defined under Canadian Standards Association (CSA) (Canada).
As per chemical composition, CSA G40.21 260W vs GOST 19281 09G2S is a 65.2% match.
As per mechanical properties, the match is 21.7%.
Combined, this makes them a minimal match overall at 35%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
CSA G40.21 260W
GOST 19281 09G2S
Yield Strength
260 MPa min
345 MPa min
Tensile Strength
410-590 MPa
490-640 MPa
Elongation
Not specified
21% min
Hardness
Not specified
140-190 HB
Typical Applications
CSA G40.21 260W
Bridges, buildings, general structural fabrication, storage tanks, older infrastructure projects.
GOST 19281 09G2S
Used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components.
Key Differences
GOST 19281 09G2S specifies Ni, Cr, Cu which are not specified for CSA G40.21 260W.
Can CSA G40.21 260W Be Substituted With GOST 19281 09G2S?
CSA G40.21 260W and GOST 19281 09G2S 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 CSA G40.21 260W and GOST 19281 09G2S?
GOST 19281 09G2S specifies Ni, Cr, Cu which are not specified for CSA G40.21 260W.
Can CSA G40.21 260W be substituted with GOST 19281 09G2S?
CSA G40.21 260W and GOST 19281 09G2S 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.