EN 10346 S450GD vs ASTM A572 Gr.65

Close Alternative — 73.3% match based on chemical composition and mechanical property overlap.

EN 10346 S450GD (EN 10346:2015) and ASTM A572 Gr.65 (ASTM A572) 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 A572 Gr.65 is commonly used for used for bridges, buildings, transmission towers, construction equipment, offshore structures, and structural members.. EN 10346 S450GD is defined under European Standard (EN), originating from Europe, while ASTM A572 Gr.65 is defined under ASTM International, originating from United States.

As per chemical composition, EN 10346 S450GD vs ASTM A572 Gr.65 is a 93.2% match. As per mechanical properties, the match is 33.3%. Combined, this makes them a close alternative overall at 73.3%.

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 AS/NZS 3679.1 300 CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 350W ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
93.2%
MECHANICAL MATCH
33.3%
OVERALL
73.3%
Specifications
Property EN 10346 S450GD ASTM A572 Gr.65
Standard EN 10346:2015 ASTM A572
Category Structural Steel Structural Steel
C (%) <=0.22 0.23 max
Mn (%) <=1.60 1.35 max
Si (%) <=0.50 0.40 max
P (%) <=0.040 0.040 max
S (%) <=0.040 0.050 max
V (%) Not specified 0.15 max
Nb (%) Not specified 0.05 max
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 A572 Gr.65
Tensile Strength 480 MPa min 550-690 MPa
Yield Strength 450 MPa min 450 MPa min
Elongation 12% min 18-21%
Hardness Not specified 170-220 HB
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 A572 Gr.65
Used for bridges, buildings, transmission towers, construction equipment, offshore structures, and structural members.
Key Differences
Can EN 10346 S450GD Be Substituted With ASTM A572 Gr.65?
EN 10346 S450GD and ASTM A572 Gr.65 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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 A572 Gr.65
Plate → (4 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2600–4400 mm (102.36–173.23 in)
On M-EX Right Now
EN 10346 S450GD
2 active listings and RFQs →
ASTM A572 Gr.65
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10346 S450GD and ASTM A572 Gr.65?
ASTM A572 Gr.65 specifies V, Nb which are not specified for EN 10346 S450GD.
Can EN 10346 S450GD be substituted with ASTM A572 Gr.65?
EN 10346 S450GD and ASTM A572 Gr.65 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.