Post Stock Login Register

ASTM A572 Grade 50 vs GOST 19281 09G2S

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

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

As per chemical composition, ASTM A572 Grade 50 vs GOST 19281 09G2S 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 ASTM A572 Grade 50:
ASTM A572 Gr.65 ASTM A283C CSA G40.21 260W CSA G40.21 300W AS/NZS 3679.1 300 AS/NZS 3679.1 350 CSA G40.21 480W CSA G40.21 400W CSA G40.21 350W CSA G40.21 400A ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
60.6%
MECHANICAL MATCH
47.2%
OVERALL
35%
Specifications
Property ASTM A572 Grade 50 GOST 19281 09G2S
Standard ASTM A572 GOST 19281-2014
Category Structural Steel Structural Steel
C (%) <=0.23 0.07-0.12
Mn (%) <=1.35 1.3-1.7
Si (%) <=0.40 0.5-0.8
P (%) <=0.040 0.035 max
S (%) <=0.050 0.04 max
Nb (%) <=0.05 Not specified
V (%) <=0.15 Not specified
Ni (%) Not specified 0.3 max
Cr (%) Not specified 0.3 max
Cu (%) Not specified 0.3 max
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 Grade 50 GOST 19281 09G2S
Tensile Strength 450 MPa min 490-640 MPa
Yield Strength 345 MPa min 345 MPa min
Elongation 18% min 21% min
Hardness 137-187 HB 140-190 HB
Typical Applications
ASTM A572 Grade 50
High-strength low-alloy structural steel; buildings, bridges, transmission towers, construction equipment, general structural fabrication
GOST 19281 09G2S
Used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components.
Key Differences
Can ASTM A572 Grade 50 Be Substituted With GOST 19281 09G2S?
ASTM A572 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.
Forms & Sizes Available on M-EX
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)
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)
On M-EX Right Now
ASTM A572 Grade 50
4 active listings and RFQs →
GOST 19281 09G2S
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A572 Grade 50 and GOST 19281 09G2S?
ASTM A572 Grade 50 specifies Nb, V which are not specified for GOST 19281 09G2S. GOST 19281 09G2S specifies Ni, Cr, Cu which are not specified for ASTM A572 Grade 50.
Can ASTM A572 Grade 50 be substituted with GOST 19281 09G2S?
ASTM A572 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.