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EN 10346 S350GD vs AS/NZS 3679.1 300

Related Material — 65.7% match based on chemical composition and mechanical property overlap.

EN 10346 S350GD (EN 10346:2015) and AS/NZS 3679.1 300 (AS/NZS 3679.1:2016) 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 3679.1 300 is commonly used for hot-rolled structural bars and sections for general structural framing. EN 10346 S350GD is defined under European Standard (EN), originating from Europe, while AS/NZS 3679.1 300 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, EN 10346 S350GD vs AS/NZS 3679.1 300 is a 98.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 65.7%.

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 CSA G40.21 300W CSA G40.21 350W CSA G40.21 480W ASTM A283C ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
98.5%
MECHANICAL MATCH
0%
OVERALL
65.7%
Specifications
Property EN 10346 S350GD AS/NZS 3679.1 300
Standard EN 10346:2015 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) <=0.20 <=0.22
Mn (%) <=1.50 <=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 S350GD AS/NZS 3679.1 300
Tensile Strength 420 MPa min 440-600 MPa
Yield Strength 350 MPa min 300 MPa min
Elongation 14% min 22% min
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 3679.1 300
Hot-rolled structural bars and sections for general structural framing
Can EN 10346 S350GD Be Substituted With AS/NZS 3679.1 300?
EN 10346 S350GD and AS/NZS 3679.1 300 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 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 3679.1 300
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–2700 mm (106.3–106.3 in)
On M-EX Right Now
EN 10346 S350GD
2 active listings and RFQs →
AS/NZS 3679.1 300
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10346 S350GD and AS/NZS 3679.1 300?
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 3679.1 300?
EN 10346 S350GD and AS/NZS 3679.1 300 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.