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EN 10346 S350GD vs AS/NZS 1594 HA350

Strong Match — 98.5% match based on chemical composition and mechanical property overlap.

EN 10346 S350GD (EN 10346:2015) and AS/NZS 1594 HA350 (AS/NZS 1594:2025) are both steel grades. Both fall under the Structural Steel category. EN 10346 S350GD is typically used for continuous hot-dip galvanized structural steel strip/sheet; roll-formed and cold-formed structural sections, purlins, roofing and cladding requiring corrosion protection, while AS/NZS 1594 HA350 is commonly used for automotive structural parts, trailers, agricultural equipment, general fabrication, light structural sections.. EN 10346 S350GD is defined under European Standard (EN), originating from Europe, while AS/NZS 1594 HA350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, EN 10346 S350GD vs AS/NZS 1594 HA350 is a 97.7% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 98.5%.

Frequently Compared With EN 10346 S350GD:
AS/NZS 1595 C350 ASTM A1008 SS Grade 50 CSA G40.21 400W GOST 19281 09G2S AS/NZS 3679.1 350 CSA G40.21 260W CSA G40.21 400A AS/NZS 3679.1 300 CSA G40.21 300W CSA G40.21 350W CSA G40.21 480W ASTM A283C
Match Breakdown
CHEMISTRY MATCH
97.7%
MECHANICAL MATCH
100%
OVERALL
98.5%
Specifications
Property EN 10346 S350GD AS/NZS 1594 HA350
Standard EN 10346:2015 AS/NZS 1594:2025
Category Structural Steel Structural Steel
C (%) <=0.20 max 0.2
Mn (%) <=1.50 max 1.6
Si (%) <=0.50 max 0.55
P (%) <=0.040 max 0.03
S (%) <=0.040 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 EN 10346 S350GD AS/NZS 1594 HA350
Tensile Strength 420 MPa min Not specified
Yield Strength 350 MPa min 350 MPa min (AS/NZS 1594)
Elongation 14% min Not specified
Typical Applications
EN 10346 S350GD
Continuous hot-dip galvanized structural steel strip/sheet; roll-formed and cold-formed structural sections, purlins, roofing and cladding requiring corrosion protection
AS/NZS 1594 HA350
Automotive structural parts, trailers, agricultural equipment, general fabrication, light structural sections.
Can EN 10346 S350GD Be Substituted With AS/NZS 1594 HA350?
EN 10346 S350GD 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 EN 10346 S350GD 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
EN 10346 S350GD
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–4100 mm (106.3–161.42 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
EN 10346 S350GD
2 active listings and RFQs →
AS/NZS 1594 HA350
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10346 S350GD 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 EN 10346 S350GD be substituted with AS/NZS 1594 HA350?
EN 10346 S350GD 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 EN 10346 S350GD in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.