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EN 10025-3 S420JR vs ASTM A572 Gr.65

Close Alternative — 73.7% match based on chemical composition and mechanical property overlap.

EN 10025-3 S420JR (EN 10025-3:2019) and ASTM A572 Gr.65 (ASTM A572) are both steel grades. Both fall under the Structural Steel category. EN 10025-3 S420JR is typically used for used in bridges, heavy machinery frames, structural beams, offshore structures, and crane components., while ASTM A572 Gr.65 is commonly used for used for bridges, buildings, transmission towers, construction equipment, offshore structures, and structural members.. EN 10025-3 S420JR 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 10025-3 S420JR vs ASTM A572 Gr.65 is a 88.5% match. As per mechanical properties, the match is 44.1%. Combined, this makes them a close alternative overall at 73.7%.

Frequently Compared With EN 10025-3 S420JR:
CSA G40.21 400A CSA G40.21 480W CSA G40.21 400W GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 300 CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 350W ASTM A1008 SS Grade 50 ASTM A283C ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
88.5%
MECHANICAL MATCH
44.1%
OVERALL
73.7%
Specifications
Property EN 10025-3 S420JR ASTM A572 Gr.65
Standard EN 10025-3:2019 ASTM A572
Category Structural Steel Structural Steel
C (%) 0.20 max 0.23 max
Si (%) 0.55 max 0.40 max
Mn (%) 1.70 max 1.35 max
P (%) 0.030 max 0.040 max
S (%) 0.030 max 0.050 max
N (%) 0.015 max Not specified
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 10025-3 S420JR ASTM A572 Gr.65
Tensile Strength 520-680 MPa 550-690 MPa
Yield Strength 420 MPa min 450 MPa min
Elongation 17% min 18-21%
Hardness 170-220 HB 170-220 HB
Typical Applications
EN 10025-3 S420JR
Used in bridges, heavy machinery frames, structural beams, offshore structures, and crane components.
ASTM A572 Gr.65
Used for bridges, buildings, transmission towers, construction equipment, offshore structures, and structural members.
Key Differences
Can EN 10025-3 S420JR Be Substituted With ASTM A572 Gr.65?
EN 10025-3 S420JR 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 10025-3 S420JR
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3500–3900 mm (137.8–153.54 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 10025-3 S420JR
2 active listings and RFQs →
ASTM A572 Gr.65
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-3 S420JR and ASTM A572 Gr.65?
EN 10025-3 S420JR specifies N which is not specified for ASTM A572 Gr.65. ASTM A572 Gr.65 specifies V, Nb which are not specified for EN 10025-3 S420JR.
Can EN 10025-3 S420JR be substituted with ASTM A572 Gr.65?
EN 10025-3 S420JR 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.