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

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

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

As per chemical composition, AS/NZS 3679.1 350 vs CSA G40.21 350W 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 AS/NZS 3679.1 350:
CSA G40.21 480W CSA G40.21 400W AS/NZS 1595 C450 ASTM A1008 SS Grade 50 IS 2062 E250B0 ASTM A1008 SS Grade 80 AS/NZS 1595 C350 ASTM A572 Grade 50 IS 2062 E250A ASTM A283C ASTM A572 Gr.65 CSA G40.21 260W
Match Breakdown
CHEMISTRY MATCH
93.8%
MECHANICAL MATCH
91.2%
OVERALL
93%
Specifications
Property AS/NZS 3679.1 350 CSA G40.21 350W
Standard AS/NZS 3679.1:2016 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.22 0.23 max
Mn (%) <=1.70 0.50-1.50
Si (%) <=0.50 0.15-0.40
P (%) <=0.040 0.040 max
S (%) <=0.040 0.050 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 3679.1 350 CSA G40.21 350W
Tensile Strength 480-640 MPa 450-620 MPa
Yield Strength 350 MPa min 350 MPa min
Elongation 20% min 20% min
Hardness Not specified 135-180 HB
Typical Applications
AS/NZS 3679.1 350
Hot-rolled structural bars and sections for primary structural beams, columns, and framing
CSA G40.21 350W
Used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications.
Can AS/NZS 3679.1 350 Be Substituted With CSA G40.21 350W?
AS/NZS 3679.1 350 and CSA G40.21 350W overlap closely enough on chemistry and mechanical properties that CSA G40.21 350W is often considered as a substitute for AS/NZS 3679.1 350 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
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)
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)
On M-EX Right Now
AS/NZS 3679.1 350
2 active listings and RFQs →
CSA G40.21 350W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 3679.1 350 and CSA G40.21 350W?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can AS/NZS 3679.1 350 be substituted with CSA G40.21 350W?
AS/NZS 3679.1 350 and CSA G40.21 350W overlap closely enough on chemistry and mechanical properties that CSA G40.21 350W is often considered as a substitute for AS/NZS 3679.1 350 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.