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EN 10346 S450GD vs ASTM A1008 SS Grade 80

Related Material — 65.9% match based on chemical composition and mechanical property overlap.

EN 10346 S450GD (EN 10346:2015) and ASTM A1008 SS Grade 80 (ASTM A1008) 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 ASTM A1008 SS Grade 80 is commonly used for cold-rolled high-strength structural steel sheet, higher strength grade; automotive structural/reinforcement components, cold-formed high-strength parts. EN 10346 S450GD is defined under European Standard (EN), originating from Europe, while ASTM A1008 SS Grade 80 is defined under ASTM International, originating from United States.

As per chemical composition, EN 10346 S450GD vs ASTM A1008 SS Grade 80 is a 98.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 65.9%.

Frequently Compared With EN 10346 S450GD:
AS/NZS 1595 C450 CSA G40.21 400W CSA G40.21 260W CSA G40.21 480W GOST 19281 09G2S CSA G40.21 400A CSA G40.21 300W AS/NZS 3679.1 350 AS/NZS 3679.1 300 CSA G40.21 350W ASTM A1008 SS Grade 50 ASTM A572 Gr.65
Match Breakdown
CHEMISTRY MATCH
98.8%
MECHANICAL MATCH
0%
OVERALL
65.9%
Specifications
Property EN 10346 S450GD ASTM A1008 SS Grade 80
Standard EN 10346:2015 ASTM A1008
Category Structural Steel Structural Steel
C (%) <=0.22 <=0.25
Mn (%) <=1.60 <=1.65
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 ASTM A1008 SS Grade 80
Tensile Strength 480 MPa min 570 MPa min
Yield Strength 450 MPa min 550 MPa min
Elongation 12% min 10% 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
ASTM A1008 SS Grade 80
Cold-rolled high-strength structural steel sheet, higher strength grade; automotive structural/reinforcement components, cold-formed high-strength parts
Can EN 10346 S450GD Be Substituted With ASTM A1008 SS Grade 80?
EN 10346 S450GD and ASTM A1008 SS Grade 80 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)
ASTM A1008 SS Grade 80
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–3700 mm (98.43–145.67 in)
On M-EX Right Now
EN 10346 S450GD
2 active listings and RFQs →
ASTM A1008 SS Grade 80
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10346 S450GD and ASTM A1008 SS Grade 80?
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 ASTM A1008 SS Grade 80?
EN 10346 S450GD and ASTM A1008 SS Grade 80 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.