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AS/NZS 3679.1 300 vs CSA G40.21 260W

Close Alternative — 77.7% match based on chemical composition and mechanical property overlap.

AS/NZS 3679.1 300 (AS/NZS 3679.1:2016) and CSA G40.21 260W (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. AS/NZS 3679.1 300 is typically used for hot-rolled structural bars and sections for general structural framing, while CSA G40.21 260W is commonly used for bridges, buildings, general structural fabrication, storage tanks, older infrastructure projects.. AS/NZS 3679.1 300 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while CSA G40.21 260W is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, AS/NZS 3679.1 300 vs CSA G40.21 260W is a 96.8% match. As per mechanical properties, the match is 39.5%. Combined, this makes them a close alternative overall at 77.7%.

Frequently Compared With AS/NZS 3679.1 300:
IS 2062 E250B0 CSA G40.21 480W CSA G40.21 400W AS/NZS 1595 C450 ASTM A1008 SS Grade 80 AS/NZS 1595 C350 ASTM A1008 SS Grade 50 IS 2062 E250A ASTM A572 Grade 50 ASTM A572 Gr.65 CSA G40.21 300W ASTM A283C
Match Breakdown
CHEMISTRY MATCH
96.8%
MECHANICAL MATCH
39.5%
OVERALL
77.7%
Specifications
Property AS/NZS 3679.1 300 CSA G40.21 260W
Standard AS/NZS 3679.1:2016 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.22 max 0.23
Mn (%) <=1.70 max 1.4
Si (%) <=0.50 max 0.4
P (%) <=0.040 max 0.035
S (%) <=0.040 max 0.035
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 3679.1 300 CSA G40.21 260W
Tensile Strength 440-600 MPa 410-590 MPa
Yield Strength 300 MPa min 260 MPa min
Elongation 22% min Not specified
Typical Applications
AS/NZS 3679.1 300
Hot-rolled structural bars and sections for general structural framing
CSA G40.21 260W
Bridges, buildings, general structural fabrication, storage tanks, older infrastructure projects.
Can AS/NZS 3679.1 300 Be Substituted With CSA G40.21 260W?
AS/NZS 3679.1 300 and CSA G40.21 260W are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
AS/NZS 3679.1 300
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–2700 mm (106.3–106.3 in)
CSA G40.21 260W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3400–4000 mm (133.86–157.48 in)
On M-EX Right Now
AS/NZS 3679.1 300
2 active listings and RFQs →
CSA G40.21 260W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 3679.1 300 and CSA G40.21 260W?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can AS/NZS 3679.1 300 be substituted with CSA G40.21 260W?
AS/NZS 3679.1 300 and CSA G40.21 260W are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.