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AS/NZS 3678 Grade 300 vs GOST 19281 09G2S

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

AS/NZS 3678 Grade 300 (AS/NZS 3678:2016) and GOST 19281 09G2S (GOST 19281-2014) are both steel grades. Both fall under the Structural Steel category. AS/NZS 3678 Grade 300 is typically used for general fabrication, structural members, high-rise buildings, bridges, storage tanks, while GOST 19281 09G2S is commonly used for used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components.. AS/NZS 3678 Grade 300 is defined under Australian/New Zealand Standard (AS/NZS) (Australia/New Zealand).

As per chemical composition, AS/NZS 3678 Grade 300 vs GOST 19281 09G2S is a 66.3% match. As per mechanical properties, the match is 11.1%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With AS/NZS 3678 Grade 300:
AS/NZS 3679.1 350 AS/NZS 3679.1 300 CSA G40.21 480W ASTM A1008 SS Grade 80 CSA G40.21 400W CSA G40.21 300W CSA G40.21 260W ASTM A1008 SS Grade 50 CSA G40.21 400A CSA G40.21 350W ASTM A283C ASTM A572 Gr.65
Match Breakdown
CHEMISTRY MATCH
66.3%
MECHANICAL MATCH
11.1%
OVERALL
35%
Specifications
Property AS/NZS 3678 Grade 300 GOST 19281 09G2S
Standard AS/NZS 3678:2016 GOST 19281-2014
Category Structural Steel Structural Steel
C (%) <=0.22 0.07-0.12
Mn (%) <=1.70 1.3-1.7
Si (%) <=0.50 0.5-0.8
P (%) <=0.040 0.035 max
S (%) <=0.040 0.04 max
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 AS/NZS 3678 Grade 300 GOST 19281 09G2S
Tensile Strength 430-560 MPa 490-640 MPa
Yield Strength 300 MPa min 345 MPa min
Elongation 22% min 21% min
Hardness Not specified 140-190 HB
Typical Applications
AS/NZS 3678 Grade 300
General fabrication, structural members, high-rise buildings, bridges, storage tanks
GOST 19281 09G2S
Used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components.
Key Differences
Can AS/NZS 3678 Grade 300 Be Substituted With GOST 19281 09G2S?
AS/NZS 3678 Grade 300 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
AS/NZS 3678 Grade 300
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–3100 mm (98.43–122.05 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
AS/NZS 3678 Grade 300
2 active listings and RFQs →
GOST 19281 09G2S
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 3678 Grade 300 and GOST 19281 09G2S?
GOST 19281 09G2S specifies Ni, Cr, Cu which are not specified for AS/NZS 3678 Grade 300.
Can AS/NZS 3678 Grade 300 be substituted with GOST 19281 09G2S?
AS/NZS 3678 Grade 300 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.