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CSA G40.21 400A vs AS/NZS 1595 C350

Related Material — 62.5% match based on chemical composition and mechanical property overlap.

CSA G40.21 400A (CSA G40.21-13 (R2023)) and AS/NZS 1595 C350 (AS/NZS 1595:1998) are both steel grades. Both fall under the Structural Steel category. CSA G40.21 400A is typically used for atmospheric corrosion-resistant (weathering) structural steel; exposed bridge girders and structural members where high strength and weathering resistance are both needed, while AS/NZS 1595 C350 is commonly used for cold-rolled structural steel sheet; roll-forming, cold-formed structural sections, purlins. CSA G40.21 400A is defined under Canadian Standards Association (CSA), originating from Canada, while AS/NZS 1595 C350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, CSA G40.21 400A vs AS/NZS 1595 C350 is a 93.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 62.5%.

Frequently Compared With CSA G40.21 400A:
CSA G40.21 480W CSA G40.21 350W ASTM A1008 SS Grade 50 AS/NZS 1595 C450 ASTM A1008 SS Grade 80 CSA G40.21 260W CSA G40.21 300W IS 2062 E250A CSA G40.21 400W ASTM A572 Grade 50 ASTM A283C IS 2062 E250B0
Match Breakdown
CHEMISTRY MATCH
93.8%
MECHANICAL MATCH
0%
OVERALL
62.5%
Specifications
Property CSA G40.21 400A AS/NZS 1595 C350
Standard CSA G40.21-13 (R2023) AS/NZS 1595:1998
Category Structural Steel Structural Steel
C (%) <=0.23 <=0.20
Mn (%) <=1.60 <=1.50
Si (%) <=0.40 <=0.50
P (%) <=0.035 <=0.040
S (%) <=0.035 <=0.040
Cu (%) 0.20-0.40 Not specified
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 400A AS/NZS 1595 C350
Tensile Strength 520-670 MPa 430 MPa min
Yield Strength 400 MPa min 350 MPa min
Elongation 17% min 14% min
Impact 27J at 0°C Not specified
Typical Applications
CSA G40.21 400A
Atmospheric corrosion-resistant (weathering) structural steel; exposed bridge girders and structural members where high strength and weathering resistance are both needed
AS/NZS 1595 C350
Cold-rolled structural steel sheet; roll-forming, cold-formed structural sections, purlins
Key Differences
Can CSA G40.21 400A Be Substituted With AS/NZS 1595 C350?
CSA G40.21 400A and AS/NZS 1595 C350 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 400A
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2800–4200 mm (110.24–165.35 in)
AS/NZS 1595 C350
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–4600 mm (98.43–181.1 in)
On M-EX Right Now
CSA G40.21 400A
2 active listings and RFQs →
AS/NZS 1595 C350
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 400A and AS/NZS 1595 C350?
CSA G40.21 400A specifies Cu which is not specified for AS/NZS 1595 C350.
Can CSA G40.21 400A be substituted with AS/NZS 1595 C350?
CSA G40.21 400A and AS/NZS 1595 C350 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.