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CSA G40.21 400W vs GOST 19281 09G2S

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

CSA G40.21 400W (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 400W is typically used for heavy structural fabrication, bridges, offshore platforms, cranes, pressure vessels, mining equipment., while GOST 19281 09G2S is commonly used for used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components.. CSA G40.21 400W is defined under Canadian Standards Association (CSA) (Canada).

As per chemical composition, CSA G40.21 400W vs GOST 19281 09G2S is a 65.8% match. As per mechanical properties, the match is 30%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With CSA G40.21 400W:
AS/NZS 1595 C450 CSA G40.21 300W AS/NZS 3679.1 300 AS/NZS 3679.1 350 ASTM A1008 SS Grade 80 IS 2062 E250A IS 2062 E250B0 AS/NZS 1595 C350 ASTM A1008 SS Grade 50 CSA G40.21 350W CSA G40.21 400A ASTM A283C
Match Breakdown
CHEMISTRY MATCH
65.8%
MECHANICAL MATCH
30%
OVERALL
35%
Specifications
Property CSA G40.21 400W GOST 19281 09G2S
Standard CSA G40.21-13 (R2023) GOST 19281-2014
Category Structural Steel Structural Steel
C (%) max 0.23 0.07-0.12
Mn (%) max 1.6 1.3-1.7
Si (%) max 0.5 0.5-0.8
P (%) max 0.035 0.035 max
S (%) max 0.035 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 CSA G40.21 400W GOST 19281 09G2S
Yield Strength 400 MPa min 345 MPa min
Tensile Strength 520-690 MPa 490-640 MPa
Elongation Not specified 21% min
Hardness Not specified 140-190 HB
Typical Applications
CSA G40.21 400W
Heavy structural fabrication, bridges, offshore platforms, cranes, pressure vessels, mining equipment.
GOST 19281 09G2S
Used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components.
Key Differences
Can CSA G40.21 400W Be Substituted With GOST 19281 09G2S?
CSA G40.21 400W 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
CSA G40.21 400W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–5200 mm (98.43–204.72 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
CSA G40.21 400W
2 active listings and RFQs →
GOST 19281 09G2S
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 400W and GOST 19281 09G2S?
GOST 19281 09G2S specifies Ni, Cr, Cu which are not specified for CSA G40.21 400W.
Can CSA G40.21 400W be substituted with GOST 19281 09G2S?
CSA G40.21 400W 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.