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Gangsteel – China's Leading Mill-Direct Supplier & Exporter of S355MC Equivalent EN 10025-4 Structural Steel Plates
Gangsteel is the professional supplier you can trust for S355MC equivalent EN 10025-4 structural steel plates, offering verified cross-reference grades and dual-certified material that fully match or exceed S355MC (EN 10149-2) properties while meeting EN 10025-4 requirements for structural applications. We stock over 8,000 tons of S355MC and its structural equivalents in coil and plate form, thickness 1.5–200 mm, width 1500–4200 mm, length/coil weight up to 18 m/30 tons. All material is genuine TMCP produced by top mills (HBIS, Shougang) with full European approvals and third-party inspection (DNV, ABS, LR, BV, CCS, KR, TÜV, SGS).
We supply dual-certified plates (EN 10149-2 S355MC + EN 10025-4 S355M/ML) when required, with Z25/Z35 through-thickness quality in stock for structural grades, 100 % UT EN 10160 S2/E2 standard.
Immediate delivery worldwide in 3–7 days. Full processing services available.
Explore our complete en 10025 4 High Strength Structural Steel series for structural grades.
S355MC is a hot-rolled, high-strength, low-alloy (HSLA) steel for cold forming specified in EN 10149-2, with:
While S355MC is designed for cold forming (truck chassis, crane booms, roll-formed sections), many projects require structural grades with guaranteed impact toughness and better weldability.
The closest EN 10025-4 structural equivalents to S355MC are:
|
Grade (EN 10025-4) |
Key Match to S355MC |
Difference & Advantage |
|---|---|---|
|
S355M |
Same yield 355 MPa, same CEV |
+ Guaranteed –20 °C impact, better weld HAZ |
|
S355ML |
Same yield 355 MPa, same CEV |
+ Guaranteed –50 °C impact, offshore preferred |
|
S420M/ML |
Higher yield 420 MPa |
For higher strength needs |
|
S460M/ML |
Higher yield 460 MPa |
For maximum strength-to-weight |
S355M and S355ML are the direct structural replacements for S355MC when the application requires welding instead of cold forming, or when low-temperature toughness is specified.
Gangsteel supplies dual-certified plates that meet both EN 10149-2 S355MC and EN 10025-4 S355M/ML when properties overlap.
|
Element |
S355MC (EN 10149-2) max % |
S355M/ML (EN 10025-4) max % |
Difference & Impact |
|---|---|---|---|
|
C |
0.12 |
0.14 |
Lower C in S355MC for better formability |
|
Si |
0.50 |
0.50 |
Same |
|
Mn |
1.60 |
1.60 |
Same |
|
P |
0.025 |
0.025 |
Same |
|
S |
0.015 |
0.020 |
Lower S in S355MC for better bending |
|
Nb |
0.09 |
0.05 |
Higher Nb in S355MC for grain control in forming |
|
V |
0.20 |
0.10 |
Higher V in S355MC for strength in thin gauges |
|
Ti |
0.15 |
0.05 |
Higher Ti in S355MC for formability |
|
Al min |
0.015 |
0.020 |
Similar |
|
CEV max |
0.39 |
0.39 |
Same |
S355MC has higher microalloying (Nb+V+Ti) for better cold forming, while S355M/ML has lower carbon and sulfur for superior weldability in structural applications.
|
Property |
S355MC (EN 10149-2) |
S355M/ML (EN 10025-4) |
Notes |
|---|---|---|---|
|
Yield Strength ReH (MPa) |
355 (≤3 mm) → 315 (>8 mm) |
355 (≤16 mm) → 285–295 (>150 mm) |
S355M/ML better in thick plates |
|
Tensile Strength Rm (MPa) |
470–620 |
470–630 |
Similar |
|
Elongation A80/A5 (%) |
≥20 (A80 for t≤3 mm) |
≥22 |
S355M/ML better ductility |
|
Impact Toughness |
No mandatory (optional –20 °C) |
S355M: ≥40 J at –20 °C S355ML: ≥27 J at –50 °C |
S355M/ML vastly superior |
|
Bending Test |
Guaranteed r/t values |
Not mandatory |
S355MC for cold forming |
|
Application |
Recommended Grade |
Reason |
|---|---|---|
|
Truck chassis, trailers |
S355MC |
Excellent cold formability, lighter weight |
|
Crane booms (cold formed) |
S355MC |
Bending for complex shapes |
|
Offshore wind towers |
S355ML |
Low-temp toughness, Z35, heavy welding |
|
Arctic structures |
S355ML |
–50 °C impact mandatory |
|
Bridges (welded) |
S355M or S355ML |
Better HAZ properties |
|
General structural (welded) |
S355M or S355ML |
Superior weldability and toughness |
Q1: Can I use S355MC instead of S355M to save money?A: No – they are for different applications. S355MC has no low-temperature guarantee and is not designed for heavy welding.
Q2: Can I use S355M instead of S355MC?A: Yes, but S355MC is better and cheaper for cold forming applications.
Q3: Which is better for offshore wind?A: S355ML – low-temp toughness and Z35 are mandatory.
Q4: Price difference?A: S355MC is 80–150 USD/ton cheaper than S355M, but not interchangeable.
Q5: Do you supply S355MC in plates or only coils?A: We supply S355MC in both coils and cut-to-length plates.
Q6: Do you have both grades in stock?A: Yes – very large stock of both S355M plates and S355MC coils/plates ready.
Q7: Delivery time?A: Stock material 3–7 days worldwide.
Need S355MC or S355M plates/coils? 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 Cold-Forming and Structural 355 MPa Grades.
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