Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
ASTM A572/A572M Grade 50 (ASTM A572/A572M:2018) and GOST 19281 09G2S (GOST 19281-2014) are both steel grades.
Both fall under the Structural Steel category.
ASTM A572/A572M Grade 50 is typically used for riveted, bolted or welded structures, while GOST 19281 09G2S is commonly used for used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components..
ASTM A572/A572M Grade 50 is defined under ASTM International (United States).
As per chemical composition, ASTM A572/A572M Grade 50 vs GOST 19281 09G2S is a 64.2% match.
As per mechanical properties, the match is 33.3%.
Combined, this makes them a minimal match overall at 35%.
Frequently Compared With ASTM A572/A572M Grade 50:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
ASTM A572/A572M Grade 50
GOST 19281 09G2S
Tensile Strength
>=450 MPa
490-640 MPa
Yield Strength
>=345 MPa
345 MPa min
Elongation
>=18%
21% min
Condition
Tension test per Table 4; one set of minimum values for all product thicknesses; Elongation is in 200 mm gauge length, 50 mm values in the tensile block
Not specified
Hardness
Not specified
140-190 HB
Typical Applications
ASTM A572/A572M Grade 50
Riveted, bolted or welded structures
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 ASTM A572/A572M Grade 50.
Can ASTM A572/A572M Grade 50 Be Substituted With GOST 19281 09G2S?
ASTM A572/A572M Grade 50 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 ASTM A572/A572M Grade 50 and GOST 19281 09G2S?
GOST 19281 09G2S specifies Ni, Cr, Cu which are not specified for ASTM A572/A572M Grade 50.
Can ASTM A572/A572M Grade 50 be substituted with GOST 19281 09G2S?
ASTM A572/A572M Grade 50 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.