Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
EN 10025-5 S235J2W (EN 10025-5:2019) and ASTM A709 Grade HPS 70W (ASTM A709) are both steel grades.
Both fall under the Structural Steel (Corten / Weathering) category.
EN 10025-5 S235J2W is typically used for weathering (atmospheric corrosion-resistant) structural steel; bridges, railway wagons, shipping containers, transmission towers, outdoor structures exposed without protective coating, while ASTM A709 Grade HPS 70W is commonly used for high-performance steel (hps) with enhanced atmospheric corrosion resistance and toughness; primary bridge girders and structural members in bridge construction.
EN 10025-5 S235J2W is defined under European Standard (EN), originating from Europe, while ASTM A709 Grade HPS 70W is defined under ASTM International, originating from United States.
As per chemical composition, EN 10025-5 S235J2W vs ASTM A709 Grade HPS 70W is a 65.2% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 35%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
EN 10025-5 S235J2W
ASTM A709 Grade HPS 70W
Tensile Strength
360-510 MPa
585 MPa min
Yield Strength
>=235 MPa
485 MPa min
Elongation
>=26%
19% min
Condition
Nominal thickness up to 16 mm for yield, 3 to 100 mm for tensile, 3 to 40 mm for elongation (Lo = 5.65 sqrt(S0), longitudinal); transverse values are lower, see blocks
High-performance steel (HPS) with enhanced atmospheric corrosion resistance and toughness; primary bridge girders and structural members in bridge construction
Key Differences
ASTM A709 Grade HPS 70W specifies Ni, Mo which are not specified for EN 10025-5 S235J2W.
Can EN 10025-5 S235J2W Be Substituted With ASTM A709 Grade HPS 70W?
EN 10025-5 S235J2W and ASTM A709 Grade HPS 70W 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.
What is the difference between EN 10025-5 S235J2W and ASTM A709 Grade HPS 70W?
ASTM A709 Grade HPS 70W specifies Ni, Mo which are not specified for EN 10025-5 S235J2W.
Can EN 10025-5 S235J2W be substituted with ASTM A709 Grade HPS 70W?
EN 10025-5 S235J2W and ASTM A709 Grade HPS 70W 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.