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AS/NZS 1595 C350 vs CSA G40.21 350W

Close Alternative — 73.5% match based on chemical composition and mechanical property overlap.

AS/NZS 1595 C350 (AS/NZS 1595:1998) and CSA G40.21 350W (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. AS/NZS 1595 C350 is typically used for cold-rolled structural steel sheet; roll-forming, cold-formed structural sections, purlins, while CSA G40.21 350W is commonly used for used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications.. AS/NZS 1595 C350 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 1595 C350 vs CSA G40.21 350W is a 93.5% match. As per mechanical properties, the match is 33.3%. Combined, this makes them a close alternative overall at 73.5%.

Frequently Compared With AS/NZS 1595 C350:
CSA G40.21 480W CSA G40.21 300W ASTM A1008 SS Grade 50 CSA G40.21 400A AS/NZS 3679.1 300 CSA G40.21 400W GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 350 ASTM A1008 SS Grade 80 ASTM A283C ASTM A572 Gr.65
Match Breakdown
CHEMISTRY MATCH
93.5%
MECHANICAL MATCH
33.3%
OVERALL
73.5%
Specifications
Property AS/NZS 1595 C350 CSA G40.21 350W
Standard AS/NZS 1595:1998 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.20 0.23 max
Mn (%) <=1.50 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 1595 C350 CSA G40.21 350W
Tensile Strength 430 MPa min 450-620 MPa
Yield Strength 350 MPa min 350 MPa min
Elongation 14% min 20% min
Hardness Not specified 135-180 HB
Typical Applications
AS/NZS 1595 C350
Cold-rolled structural steel sheet; roll-forming, cold-formed structural sections, purlins
CSA G40.21 350W
Used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications.
Can AS/NZS 1595 C350 Be Substituted With CSA G40.21 350W?
AS/NZS 1595 C350 and CSA G40.21 350W 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 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)
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 1595 C350
2 active listings and RFQs →
CSA G40.21 350W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 1595 C350 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 1595 C350 be substituted with CSA G40.21 350W?
AS/NZS 1595 C350 and CSA G40.21 350W 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.