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ASTM A709 Grade HPS 70W vs EN 10025-5 S235J2W

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

ASTM A709 Grade HPS 70W (ASTM A709) and EN 10025-5 S235J2W (EN 10025-5:2019) are both steel grades. Both fall under the Structural Steel (Corten / Weathering) category. ASTM A709 Grade HPS 70W is typically used for high-performance steel (hps) with enhanced atmospheric corrosion resistance and toughness; primary bridge girders and structural members in bridge construction, while EN 10025-5 S235J2W is commonly used for weathering (atmospheric corrosion-resistant) structural steel; bridges, railway wagons, shipping containers, transmission towers, outdoor structures exposed without protective coating. ASTM A709 Grade HPS 70W is defined under ASTM International, originating from United States, while EN 10025-5 S235J2W is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A709 Grade HPS 70W vs EN 10025-5 S235J2W is a 65.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ASTM A709 Grade HPS 70W:
CSA G40.21 350A EN 10025-5 S355J0WP EN 10025-5 S355J2W ASTM A588 ASTM A588 Grade A CSA G40.21 50W AS/NZS 3678 Grade 350WR JIS G3114 SMA400 EN 10025-5 S355J2WP CSA G40.21 260WT ASTM A588 Grade B CSA G40.21 480A
Match Breakdown
CHEMISTRY MATCH
65.2%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property ASTM A709 Grade HPS 70W EN 10025-5 S235J2W
Standard ASTM A709 EN 10025-5:2019
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) <=0.11 <=0.13
Mn (%) 1.10-1.35 0.20-0.60
Si (%) 0.30-0.50 <=0.40
P (%) <=0.020 <=0.035
S (%) <=0.006 <=0.030
Cu (%) 0.25-0.40 0.25-0.55
Cr (%) 0.45-0.70 0.40-0.80
Ni (%) 0.70-1.00 Not specified
Mo (%) 0.02-0.08 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A709 Grade HPS 70W EN 10025-5 S235J2W
Tensile Strength 585 MPa min 360-510 MPa
Yield Strength 485 MPa min >=235 MPa
Elongation 19% min >=26%
Hardness 170-210 HB Not specified
Condition Not specified 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
Typical Applications
ASTM A709 Grade HPS 70W
High-performance steel (HPS) with enhanced atmospheric corrosion resistance and toughness; primary bridge girders and structural members in bridge construction
EN 10025-5 S235J2W
Weathering (atmospheric corrosion-resistant) structural steel; bridges, railway wagons, shipping containers, transmission towers, outdoor structures exposed without protective coating
Key Differences
Can ASTM A709 Grade HPS 70W Be Substituted With EN 10025-5 S235J2W?
ASTM A709 Grade HPS 70W and EN 10025-5 S235J2W 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
ASTM A709 Grade HPS 70W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–3800 mm (98.43–149.61 in)
EN 10025-5 S235J2W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2800–3600 mm (110.24–141.73 in)
On M-EX Right Now
ASTM A709 Grade HPS 70W
2 active listings and RFQs →
EN 10025-5 S235J2W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A709 Grade HPS 70W and EN 10025-5 S235J2W?
ASTM A709 Grade HPS 70W specifies Ni, Mo which are not specified for EN 10025-5 S235J2W.
Can ASTM A709 Grade HPS 70W be substituted with EN 10025-5 S235J2W?
ASTM A709 Grade HPS 70W and EN 10025-5 S235J2W 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.