Post Stock Login Register

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

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

AS/NZS 1594 HA350 (AS/NZS 1594:2025) and CSA G40.21 350W (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. AS/NZS 1594 HA350 is typically used for automotive structural parts, trailers, agricultural equipment, general fabrication, light structural sections., while CSA G40.21 350W is commonly used for used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications.. AS/NZS 1594 HA350 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 1594 HA350 vs CSA G40.21 350W 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 AS/NZS 1594 HA350:
AS/NZS 1595 C350 AS/NZS 1595 C450 IS 2062 E250B0 CSA G40.21 300W IS 2062 E250A AS/NZS 3679.1 350 AS/NZS 3679.1 300 ASTM A1008 SS Grade 80 ASTM A1008 SS Grade 50 CSA G40.21 400A ASTM A283C ASTM A572 Gr.65
Match Breakdown
CHEMISTRY MATCH
91.8%
MECHANICAL MATCH
100%
OVERALL
94.5%
Specifications
Property AS/NZS 1594 HA350 CSA G40.21 350W
Standard AS/NZS 1594:2025 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) max 0.2 0.23 max
Mn (%) max 1.6 0.50-1.50
Si (%) max 0.55 0.15-0.40
P (%) max 0.03 0.040 max
S (%) max 0.03 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 1594 HA350 CSA G40.21 350W
Yield Strength 350 MPa min (AS/NZS 1594) 350 MPa min
Tensile Strength Not specified 450-620 MPa
Elongation Not specified 20% min
Hardness Not specified 135-180 HB
Typical Applications
AS/NZS 1594 HA350
Automotive structural parts, trailers, agricultural equipment, general fabrication, light structural sections.
CSA G40.21 350W
Used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications.
Can AS/NZS 1594 HA350 Be Substituted With CSA G40.21 350W?
AS/NZS 1594 HA350 and CSA G40.21 350W overlap closely enough on chemistry and mechanical properties that CSA G40.21 350W is often considered as a substitute for AS/NZS 1594 HA350 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
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)
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 1594 HA350
2 active listings and RFQs →
CSA G40.21 350W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 1594 HA350 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 1594 HA350 be substituted with CSA G40.21 350W?
AS/NZS 1594 HA350 and CSA G40.21 350W overlap closely enough on chemistry and mechanical properties that CSA G40.21 350W is often considered as a substitute for AS/NZS 1594 HA350 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.