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GOST 19281 09G2S vs ASTM A572 Grade 50

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GOST 19281 09G2S (GOST 19281-2014) and ASTM A572 Grade 50 (ASTM A572) are both steel grades. Both fall under the Structural Steel category. GOST 19281 09G2S is typically used for used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components., while ASTM A572 Grade 50 is commonly used for high-strength low-alloy structural steel; buildings, bridges, transmission towers, construction equipment, general structural fabrication. ASTM A572 Grade 50 is defined under ASTM International (United States).

As per chemical composition, GOST 19281 09G2S vs ASTM A572 Grade 50 is a 60.6% match. As per mechanical properties, the match is 47.2%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GOST 19281 09G2S:
ASTM A1008 SS Grade 50 AS/NZS 1595 C450 IS 2062 E250B0 CSA G40.21 400W ASTM A1008 SS Grade 80 CSA G40.21 260W CSA G40.21 300W CSA G40.21 480W AS/NZS 1595 C350 IS 2062 E250A CSA G40.21 350W ASTM A572 Gr.65
Match Breakdown
CHEMISTRY MATCH
60.6%
MECHANICAL MATCH
47.2%
OVERALL
35%
Specifications
Property GOST 19281 09G2S ASTM A572 Grade 50
Standard GOST 19281-2014 ASTM A572
Category Structural Steel Structural Steel
C (%) 0.07-0.12 <=0.23
Mn (%) 1.3-1.7 <=1.35
Si (%) 0.5-0.8 <=0.40
S (%) 0.04 max <=0.050
P (%) 0.035 max <=0.040
Ni (%) 0.3 max Not specified
Cr (%) 0.3 max Not specified
Cu (%) 0.3 max Not specified
Nb (%) Not specified <=0.05
V (%) Not specified <=0.15
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GOST 19281 09G2S ASTM A572 Grade 50
Tensile Strength 490-640 MPa 450 MPa min
Yield Strength 345 MPa min 345 MPa min
Elongation 21% min 18% min
Hardness 140-190 HB 137-187 HB
Typical Applications
GOST 19281 09G2S
Used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components.
ASTM A572 Grade 50
High-strength low-alloy structural steel; buildings, bridges, transmission towers, construction equipment, general structural fabrication
Key Differences
Can GOST 19281 09G2S Be Substituted With ASTM A572 Grade 50?
GOST 19281 09G2S and ASTM A572 Grade 50 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.
Forms & Sizes Available on M-EX
GOST 19281 09G2S
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3800 mm (114.17–149.61 in)
ASTM A572 Grade 50
Plate → (4 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2800–4600 mm (110.24–181.1 in)
On M-EX Right Now
GOST 19281 09G2S
2 active listings and RFQs →
ASTM A572 Grade 50
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 19281 09G2S and ASTM A572 Grade 50?
GOST 19281 09G2S specifies Ni, Cr, Cu which are not specified for ASTM A572 Grade 50. ASTM A572 Grade 50 specifies Nb, V which are not specified for GOST 19281 09G2S.
Can GOST 19281 09G2S be substituted with ASTM A572 Grade 50?
GOST 19281 09G2S and ASTM A572 Grade 50 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.