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CSA G40.21 350W vs AS/NZS 3679.1 350

Strong Match — 93% match based on chemical composition and mechanical property overlap.

CSA G40.21 350W (CSA G40.21-13 (R2023)) and AS/NZS 3679.1 350 (AS/NZS 3679.1:2016) are both steel grades. Both fall under the Structural Steel category. CSA G40.21 350W is typically used for used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications., while AS/NZS 3679.1 350 is commonly used for hot-rolled structural bars and sections for primary structural beams, columns, and framing. CSA G40.21 350W is defined under Canadian Standards Association (CSA), originating from Canada, while AS/NZS 3679.1 350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, CSA G40.21 350W vs AS/NZS 3679.1 350 is a 93.8% match. As per mechanical properties, the match is 91.2%. Combined, this makes them a strong match overall at 93%.

Frequently Compared With CSA G40.21 350W:
IS 2062 E250B0 CSA G40.21 480W AS/NZS 1595 C350 AS/NZS 1595 C450 CSA G40.21 400A CSA G40.21 260W CSA G40.21 400W IS 2062 E250A GOST 19281 09G2S ASTM A572 Gr.65 ASTM A1008 SS Grade 80 ASTM A572 Grade 50
Match Breakdown
CHEMISTRY MATCH
93.8%
MECHANICAL MATCH
91.2%
OVERALL
93%
Specifications
Property CSA G40.21 350W AS/NZS 3679.1 350
Standard CSA G40.21-13 (R2023) AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) 0.23 max <=0.22
Mn (%) 0.50-1.50 <=1.70
Si (%) 0.15-0.40 <=0.50
P (%) 0.040 max <=0.040
S (%) 0.050 max <=0.040
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 350W AS/NZS 3679.1 350
Tensile Strength 450-620 MPa 480-640 MPa
Yield Strength 350 MPa min 350 MPa min
Elongation 20% min 20% min
Hardness 135-180 HB Not specified
Typical Applications
CSA G40.21 350W
Used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications.
AS/NZS 3679.1 350
Hot-rolled structural bars and sections for primary structural beams, columns, and framing
Can CSA G40.21 350W Be Substituted With AS/NZS 3679.1 350?
CSA G40.21 350W and AS/NZS 3679.1 350 overlap closely enough on chemistry and mechanical properties that AS/NZS 3679.1 350 is often considered as a substitute for CSA G40.21 350W in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
CSA G40.21 350W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–3400 mm (106.3–133.86 in)
AS/NZS 3679.1 350
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3200 mm (114.17–125.98 in)
On M-EX Right Now
CSA G40.21 350W
2 active listings and RFQs →
AS/NZS 3679.1 350
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 350W and AS/NZS 3679.1 350?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can CSA G40.21 350W be substituted with AS/NZS 3679.1 350?
CSA G40.21 350W and AS/NZS 3679.1 350 overlap closely enough on chemistry and mechanical properties that AS/NZS 3679.1 350 is often considered as a substitute for CSA G40.21 350W in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.