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EN 10346 S350GD vs ASTM A1008 SS Grade 50

Close Alternative — 77.4% match based on chemical composition and mechanical property overlap.

EN 10346 S350GD (EN 10346:2015) and ASTM A1008 SS Grade 50 (ASTM A1008) 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 ASTM A1008 SS Grade 50 is commonly used for cold-rolled high-strength structural steel sheet; automotive structural components, cold-formed parts requiring moderate strength. EN 10346 S350GD is defined under European Standard (EN), originating from Europe, while ASTM A1008 SS Grade 50 is defined under ASTM International, originating from United States.

As per chemical composition, EN 10346 S350GD vs ASTM A1008 SS Grade 50 is a 99.4% match. As per mechanical properties, the match is 33.3%. Combined, this makes them a close alternative overall at 77.4%.

Frequently Compared With EN 10346 S350GD:
AS/NZS 1595 C350 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 ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
99.4%
MECHANICAL MATCH
33.3%
OVERALL
77.4%
Specifications
Property EN 10346 S350GD ASTM A1008 SS Grade 50
Standard EN 10346:2015 ASTM A1008
Category Structural Steel Structural Steel
C (%) <=0.20 <=0.20
Mn (%) <=1.50 <=1.35
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 ASTM A1008 SS Grade 50
Tensile Strength 420 MPa min 380 MPa min
Yield Strength 350 MPa min 340 MPa min
Elongation 14% min 14% 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
ASTM A1008 SS Grade 50
Cold-rolled high-strength structural steel sheet; automotive structural components, cold-formed parts requiring moderate strength
Can EN 10346 S350GD Be Substituted With ASTM A1008 SS Grade 50?
EN 10346 S350GD and ASTM A1008 SS Grade 50 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 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)
ASTM A1008 SS Grade 50
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–3400 mm (106.3–133.86 in)
On M-EX Right Now
EN 10346 S350GD
2 active listings and RFQs →
ASTM A1008 SS Grade 50
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10346 S350GD and ASTM A1008 SS Grade 50?
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 ASTM A1008 SS Grade 50?
EN 10346 S350GD and ASTM A1008 SS Grade 50 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.