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

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

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

As per chemical composition, CSA G40.21 260W vs AS/NZS 3679.1 300 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 CSA G40.21 260W:
IS 2062 E250B0 AS/NZS 1595 C450 IS 2062 E250A CSA G40.21 350W ASTM A283C ASTM A1008 SS Grade 80 GOST 19281 09G2S CSA G40.21 400A AS/NZS 1595 C350 CSA G40.21 300W ASTM A572 Grade 50 ASTM A572 Gr.65
Match Breakdown
CHEMISTRY MATCH
96.8%
MECHANICAL MATCH
39.5%
OVERALL
77.7%
Specifications
Property CSA G40.21 260W AS/NZS 3679.1 300
Standard CSA G40.21-13 (R2023) AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) max 0.23 <=0.22
Mn (%) max 1.4 <=1.70
Si (%) max 0.4 <=0.50
P (%) max 0.035 <=0.040
S (%) max 0.035 <=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 260W AS/NZS 3679.1 300
Yield Strength 260 MPa min 300 MPa min
Tensile Strength 410-590 MPa 440-600 MPa
Elongation Not specified 22% min
Typical Applications
CSA G40.21 260W
Bridges, buildings, general structural fabrication, storage tanks, older infrastructure projects.
AS/NZS 3679.1 300
Hot-rolled structural bars and sections for general structural framing
Can CSA G40.21 260W Be Substituted With AS/NZS 3679.1 300?
CSA G40.21 260W and AS/NZS 3679.1 300 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
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)
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)
On M-EX Right Now
CSA G40.21 260W
2 active listings and RFQs →
AS/NZS 3679.1 300
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 260W and AS/NZS 3679.1 300?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can CSA G40.21 260W be substituted with AS/NZS 3679.1 300?
CSA G40.21 260W and AS/NZS 3679.1 300 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.