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EN 10025-5 S355J2W vs ASTM A709 Grade HPS 70W

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

EN 10025-5 S355J2W (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 S355J2W is typically used for used for bridges, rail wagons, architectural structures, containers, transmission towers, and outdoor steelwork., 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 S355J2W 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 S355J2W vs ASTM A709 Grade HPS 70W is a 66.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10025-5 S355J2W:
ASTM A588 JIS G3114 SMA400 EN 10025-5 S355J0WP EN 10025-5 S355J2WP CSA G40.21 350A ASTM A588 Grade A AS/NZS 3678 Grade 350WR CSA G40.21 50W CSA G40.21 260WT CSA G40.21 480A ASTM A588 Grade B EN 10025-5 S235J2W
Match Breakdown
CHEMISTRY MATCH
66.8%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN 10025-5 S355J2W ASTM A709 Grade HPS 70W
Standard EN 10025-5:2019 ASTM A709
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) <=0.16 <=0.11
Si (%) <=0.50 0.30-0.50
Mn (%) 0.50-1.50 1.10-1.35
P (%) <=0.030 <=0.020
S (%) <=0.030 <=0.006
Cr (%) 0.40-0.80 0.45-0.70
Cu (%) 0.25-0.55 0.25-0.40
Ni (%) Not specified 0.70-1.00
Mo (%) Not specified 0.02-0.08
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 S355J2W ASTM A709 Grade HPS 70W
Tensile Strength 470-630 MPa 585 MPa min
Yield Strength >=355 MPa 485 MPa min
Elongation >=22% 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 Not specified
Hardness Not specified 170-210 HB
Typical Applications
EN 10025-5 S355J2W
Used for bridges, rail wagons, architectural structures, containers, transmission towers, and outdoor steelwork.
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
Key Differences
Can EN 10025-5 S355J2W Be Substituted With ASTM A709 Grade HPS 70W?
EN 10025-5 S355J2W 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.
Forms & Sizes Available on M-EX
EN 10025-5 S355J2W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–4400 mm (114.17–173.23 in)
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)
On M-EX Right Now
EN 10025-5 S355J2W
2 active listings and RFQs →
ASTM A709 Grade HPS 70W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-5 S355J2W and ASTM A709 Grade HPS 70W?
ASTM A709 Grade HPS 70W specifies Ni, Mo which are not specified for EN 10025-5 S355J2W.
Can EN 10025-5 S355J2W be substituted with ASTM A709 Grade HPS 70W?
EN 10025-5 S355J2W 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.