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EN 10346 S450GD vs AS/NZS 3679.1 350

Related Material — 66.4% match based on chemical composition and mechanical property overlap.

EN 10346 S450GD (EN 10346:2015) and AS/NZS 3679.1 350 (AS/NZS 3679.1:2016) are both steel grades. Both fall under the Structural Steel category. EN 10346 S450GD is typically used for higher-strength continuous hot-dip galvanized structural steel strip/sheet; roll-formed and cold-formed high-strength structural sections, purlins, roofing and cladding requiring corrosion protection, while AS/NZS 3679.1 350 is commonly used for hot-rolled structural bars and sections for primary structural beams, columns, and framing. EN 10346 S450GD is defined under European Standard (EN), originating from Europe, while AS/NZS 3679.1 350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, EN 10346 S450GD vs AS/NZS 3679.1 350 is a 99.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 66.4%.

Frequently Compared With EN 10346 S450GD:
AS/NZS 1595 C450 CSA G40.21 260W CSA G40.21 400W CSA G40.21 480W GOST 19281 09G2S CSA G40.21 400A CSA G40.21 300W AS/NZS 3679.1 300 CSA G40.21 350W ASTM A1008 SS Grade 50 ASTM A572 Gr.65 ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
99.7%
MECHANICAL MATCH
0%
OVERALL
66.4%
Specifications
Property EN 10346 S450GD AS/NZS 3679.1 350
Standard EN 10346:2015 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) <=0.22 <=0.22
Mn (%) <=1.60 <=1.70
Si (%) <=0.50 <=0.50
P (%) <=0.040 <=0.040
S (%) <=0.040 <=0.040
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 S450GD AS/NZS 3679.1 350
Tensile Strength 480 MPa min 480-640 MPa
Yield Strength 450 MPa min 350 MPa min
Elongation 12% min 20% min
Typical Applications
EN 10346 S450GD
Higher-strength continuous hot-dip galvanized structural steel strip/sheet; roll-formed and cold-formed high-strength structural sections, purlins, roofing and cladding requiring corrosion protection
AS/NZS 3679.1 350
Hot-rolled structural bars and sections for primary structural beams, columns, and framing
Can EN 10346 S450GD Be Substituted With AS/NZS 3679.1 350?
EN 10346 S450GD and AS/NZS 3679.1 350 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
EN 10346 S450GD
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2800–3000 mm (110.24–118.11 in)
AS/NZS 3679.1 350
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3200 mm (114.17–125.98 in)
On M-EX Right Now
EN 10346 S450GD
2 active listings and RFQs →
AS/NZS 3679.1 350
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10346 S450GD and AS/NZS 3679.1 350?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10346 S450GD be substituted with AS/NZS 3679.1 350?
EN 10346 S450GD and AS/NZS 3679.1 350 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.