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CSA G40.21 350W vs AS/NZS 1594 HA350

Strong Match — 94.5% match based on chemical composition and mechanical property overlap.

CSA G40.21 350W (CSA G40.21-13 (R2023)) and AS/NZS 1594 HA350 (AS/NZS 1594:2025) are both steel grades. Both fall under the Structural Steel category. CSA G40.21 350W is typically used for used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications., while AS/NZS 1594 HA350 is commonly used for automotive structural parts, trailers, agricultural equipment, general fabrication, light structural sections.. CSA G40.21 350W is defined under Canadian Standards Association (CSA), originating from Canada, while AS/NZS 1594 HA350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, CSA G40.21 350W vs AS/NZS 1594 HA350 is a 91.8% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 94.5%.

Frequently Compared With CSA G40.21 350W:
AS/NZS 3679.1 350 IS 2062 E250B0 CSA G40.21 480W AS/NZS 1595 C350 AS/NZS 1595 C450 CSA G40.21 400A CSA G40.21 260W IS 2062 E250A CSA G40.21 400W GOST 19281 09G2S ASTM A572 Gr.65 ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
91.8%
MECHANICAL MATCH
100%
OVERALL
94.5%
Specifications
Property CSA G40.21 350W AS/NZS 1594 HA350
Standard CSA G40.21-13 (R2023) AS/NZS 1594:2025
Category Structural Steel Structural Steel
C (%) 0.23 max max 0.2
Mn (%) 0.50-1.50 max 1.6
Si (%) 0.15-0.40 max 0.55
P (%) 0.040 max max 0.03
S (%) 0.050 max max 0.03
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 350W AS/NZS 1594 HA350
Tensile Strength 450-620 MPa Not specified
Yield Strength 350 MPa min 350 MPa min (AS/NZS 1594)
Elongation 20% min Not specified
Hardness 135-180 HB Not specified
Typical Applications
CSA G40.21 350W
Used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications.
AS/NZS 1594 HA350
Automotive structural parts, trailers, agricultural equipment, general fabrication, light structural sections.
Can CSA G40.21 350W Be Substituted With AS/NZS 1594 HA350?
CSA G40.21 350W and AS/NZS 1594 HA350 overlap closely enough on chemistry and mechanical properties that AS/NZS 1594 HA350 is often considered as a substitute for CSA G40.21 350W in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
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)
AS/NZS 1594 HA350
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3100–3600 mm (122.05–141.73 in)
On M-EX Right Now
CSA G40.21 350W
2 active listings and RFQs →
AS/NZS 1594 HA350
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 350W and AS/NZS 1594 HA350?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can CSA G40.21 350W be substituted with AS/NZS 1594 HA350?
CSA G40.21 350W and AS/NZS 1594 HA350 overlap closely enough on chemistry and mechanical properties that AS/NZS 1594 HA350 is often considered as a substitute for CSA G40.21 350W in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.