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Gangsteel – China's Largest Mill-Direct Supplier & Exporter of S460M vs S460J0 EN 10025 Steel Plates
Gangsteel is the professional supplier you can trust for both S460M (EN 10025-4 TMCP) and S460J0 (EN 10025-2 hot rolled) plates, with the largest combined stock in Asia – over 7,000 tons ready for immediate delivery in thickness 6–200 mm, width 1500–4200 mm, length up to 18 m. All plates are produced by top mills (HBIS, Shougang) with full European approvals and third-party inspection (DNV, ABS, LR, BV, CCS, KR, TÜV, SGS).
We supply both grades with Z35 through-thickness quality in stock, 100 % UT EN 10160 S2/E2 standard, and full documentation.
Explore our complete en 10025 4 High Strength Structural Steel series for all grades.
S460M and S460J0 are both 460 MPa yield strength structural steels, but they belong to different parts of EN 10025 and have very different performance characteristics.
|
Property |
S460J0 (EN 10025-2) |
S460M (EN 10025-4 TMCP) |
Winner & Reason |
|---|---|---|---|
|
Standard |
EN 10025-2 (hot rolled) |
EN 10025-4 (TMCP fine grain) |
S460M – modern high-performance |
|
Delivery Condition |
Hot rolled or normalized rolled |
Thermomechanical rolled (TMCP) |
S460M – lower residual stress |
|
Minimum Yield Strength ReH (MPa) |
460 (≤16 mm) → 380 (>100 mm) |
460 (≤16 mm) → 380–400 (>150 mm) |
S460M – much better thick plate strength |
|
Tensile Strength Rm (MPa) |
540–720 |
540–720 |
Tie |
|
Elongation A5 min (%) |
17 |
17 |
Tie |
|
Impact Toughness (long.) |
≥27 J at 0 °C |
≥40 J at –20 °C |
S460M – significantly better low-temp |
|
CEV max |
0.52 |
0.48 |
S460M – better weldability |
|
Preheat-free Welding (mm) |
Up to 40–50 mm |
Up to 80–100 mm |
S460M – huge fabrication advantage |
|
Residual Stress |
Higher |
Very low |
S460M – less distortion, better fatigue |
|
Through-Thickness (Z35) |
Possible but more difficult |
Excellent (standard in thick plates) |
S460M |
|
Fatigue Life |
Good |
20-30 % better |
S460M |
|
Price (November 2025) |
Baseline |
+120–180 USD/ton |
S460J0 cheaper, S460M better value |
|
Market Share (Offshore Wind) |
<5 % |
>95 % |
S460M dominates |
Bottom line: If your project is onshore with service temperature above 0 °C and budget is very tight → S460J0 is acceptable. If you need better thick-plate strength, better weldability, lower distortion, or any cold-temperature performance → S460M is the clear winner and has become the default choice in 95 % of new offshore wind and high-performance structural projects.
|
Element |
S460J0 (EN 10025-2) max % |
S460M (EN 10025-4) max % |
Difference & Impact |
|---|---|---|---|
|
C |
0.20 |
0.16 |
Lower C in S460M = much better weldability & HAZ toughness |
|
Si |
0.60 |
0.60 |
Same |
|
Mn |
1.70 |
1.70 |
Same |
|
P |
0.035 |
0.030 |
Tighter in S460M |
|
S |
0.030 |
0.025 |
Lower S in S460M |
|
Nb + V + Ti |
0.22 combined |
0.22 combined |
Similar microalloying |
|
CEV max |
0.52 |
0.48 |
S460M CEV lower → dramatically better weldability |
The tighter chemistry in S460M is what enables its superior properties despite identical nominal strength.
|
Thickness (mm) |
S460J0 ReH min (MPa) |
S460M ReH min (MPa) |
Difference |
|---|---|---|---|
|
≤16 |
460 |
460 |
Same |
|
>16 ≤40 |
440 |
440 |
Same |
|
>40 ≤63 |
430 |
430 |
Same |
|
>63 ≤100 |
400 |
400 |
Same |
|
>100 ≤150 |
380 |
370–385 |
S460M stronger |
|
>150 ≤200 |
380 |
350–380 |
S460M significantly stronger in very thick plates |
In thick plates (>100 mm), S460M maintains higher yield strength thanks to TMCP.
Q1: What is the main difference between S460M and S460J0?
A: S460M is TMCP fine-grain steel with much better thick-plate strength, lower CEV (better weldability), and superior HAZ toughness. S460J0 is traditional hot rolled steel with higher CEV and lower performance in thick sections.
Q2: Can I replace S460J0 with S460M?
A: Yes – S460M is a direct upgrade with better properties at a moderate price increase. Most engineers now specify S460M as standard for new designs.
Q3: What is the price difference today?
A: S460M is approximately 120–180 USD/ton higher than S460J0 (November 2025 market), but the weight saving and fabrication advantages usually make it cheaper overall.
Q4: Which one has better weldability?
A: S460M – lower CEV and TMCP process give superior HAZ toughness and allow welding without preheating up to 80–100 mm thickness.
Q5: Which is better for offshore wind towers?
A: S460M is now the industry standard for offshore wind (used in 95 % of new projects) due to better thick-plate strength and fatigue performance.
Q6: Do you have both grades in stock?
A: Yes – very large stock of both S460J0 and S460M in all common thicknesses, ready for immediate delivery.
Q7: Can you supply dual-certified plates?
A: Yes – many of our plates are dual-certified EN 10025-2 S460J0 and EN 10025-4 S460M when the properties meet both standards.
Need S460M or S460J0 plates? Contact us for quotation within 2 hours.
Email: admin@gangsteel.com WhatsApp/WeChat/Mobile: +86 135 9887 9167 Website: https://gangsteel.net/
Gangsteel – Your Expert for Both S460J0 and S460M Plates.
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