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CSA G40.21 300W vs AS/NZS 1595 C450

Related Material — 62.4% match based on chemical composition and mechanical property overlap.

CSA G40.21 300W (CSA G40.21-13 (R2023)) and AS/NZS 1595 C450 (AS/NZS 1595:1998) are both steel grades. Both fall under the Structural Steel category. CSA G40.21 300W is typically used for structural fabrication,bridges,buildings,machinery frames,general construction,welded structures, while AS/NZS 1595 C450 is commonly used for higher-strength cold-rolled structural steel sheet; roll-forming, purlins, high-strength cold-formed sections. CSA G40.21 300W is defined under Canadian Standards Association (CSA), originating from Canada, while AS/NZS 1595 C450 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, CSA G40.21 300W vs AS/NZS 1595 C450 is a 93.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 62.4%.

Frequently Compared With CSA G40.21 300W:
CSA G40.21 400W AS/NZS 1595 C350 CSA G40.21 480W ASTM A1008 SS Grade 50 GOST 19281 09G2S CSA G40.21 400A CSA G40.21 260W ASTM A572 Grade 50 IS 2062 E250A IS 2062 E250B0 ASTM A572 Gr.65 ASTM A283C
Match Breakdown
CHEMISTRY MATCH
93.6%
MECHANICAL MATCH
0%
OVERALL
62.4%
Specifications
Property CSA G40.21 300W AS/NZS 1595 C450
Standard CSA G40.21-13 (R2023) AS/NZS 1595:1998
Category Structural Steel Structural Steel
C (%) <=0.23 <=0.22
Mn (%) <=1.50 <=1.60
P (%) <=0.040 <=0.040
S (%) <=0.050 <=0.040
Si (%) Not specified <=0.50
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 300W AS/NZS 1595 C450
Tensile Strength 450-620 MPa 500 MPa min
Yield Strength 300 MPa min 450 MPa min
Elongation 20-23 % 12% min
Typical Applications
CSA G40.21 300W
structural fabrication,bridges,buildings,machinery frames,general construction,welded structures
AS/NZS 1595 C450
Higher-strength cold-rolled structural steel sheet; roll-forming, purlins, high-strength cold-formed sections
Key Differences
Can CSA G40.21 300W Be Substituted With AS/NZS 1595 C450?
CSA G40.21 300W and AS/NZS 1595 C450 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 300W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–2800 mm (106.3–110.24 in)
AS/NZS 1595 C450
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–2500 mm (98.43–98.43 in)
On M-EX Right Now
CSA G40.21 300W
2 active listings and RFQs →
AS/NZS 1595 C450
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 300W and AS/NZS 1595 C450?
AS/NZS 1595 C450 specifies Si which is not specified for CSA G40.21 300W.
Can CSA G40.21 300W be substituted with AS/NZS 1595 C450?
CSA G40.21 300W and AS/NZS 1595 C450 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.