S355ML Steel Properties EN 10025-4 Data Sheet Supplier

 

 

S355ML Steel Properties EN 10025-4 Data Sheet Supplier

Gangsteel – China's Leading Mill-Direct Supplier & Exporter of S355ML Steel Properties EN 10025-4 Data Sheet Steel Plates

Gangsteel is the definitive supplier for S355ML steel properties EN 10025-4 data sheet steel plates, delivering comprehensive property data and downloadable data sheets to streamline your material specification and design processes. As a thermomechanically rolled (TMCP) weldable fine-grain structural steel under EN 10025-4:2004 (2019 revision), S355ML's steel properties—encompassing yield strength (355 MPa min), tensile range (470-630 MPa), elongation (≥22%), and low-temperature toughness (≥27 J at –50 °C longitudinal)—make it the benchmark for high-performance, weight-optimized applications.

We stock over 5,000 tons of S355ML plates in thicknesses 6–200 mm, widths 1500–4200 mm, and lengths up to 18 meters, produced by premier mills like HBIS and Shougang with full PED 2014/68/EU and CPR 305/2011 certification. Each plate includes EN 10204-3.1/3.2 MTCs with verified steel properties, third-party inspections from DNV-GL, ABS, Lloyd's Register, Bureau Veritas, CCS, RINA, KR, TÜV, or SGS, Z25/Z35 through-thickness, and 100% UT EN 10160 S2/E2 testing.

Accessing accurate S355ML steel properties and data sheets is essential for FEA modeling under Eurocode 3 (EN 1993-1-1), where its low CEV ≤0.39 enables preheat-free welding up to 80 mm, and fine grains (ASTM 8-10) ensure fatigue life >10^7 cycles at 160 MPa. At 7.85 g/cm³ density and 140-180 HBW hardness, S355ML reduces sections 15-20% versus S355J2, optimizing for offshore monopiles or seismic girders. Gangsteel provides free data sheet downloads with heat-specific properties, supporting DNV-OS-B101 compliance. Fast 3–7 day delivery and services (cutting, beveling, drilling, rolling, priming) complete the package. Peruse our en 10025 4 High Strength Structural Steel series. For designation insights, review S355ML Meaning EN 10025-4 Structural Steel Supplier.

 

What is S355ML Steel Properties EN 10025-4 Data Sheet?

The steel properties of S355ML under EN 10025-4:2004 (2019) and its accompanying data sheet outline a thermomechanically rolled (TMCP) weldable fine-grain structural steel tailored for high-strength, low-temperature structural demands. The grade's properties—"S" for structural load-bearing, "355" nominal yield 355 MPa (transverse ≤16 mm), "M" TMCP delivery, "L" –50 °C ≥27 J KV (EN ISO 148-1)—define its versatility in fatigue-critical designs.

TMCP—deformation at 900-1100 °C with 20-40 °C/s cooling—yields a ferrite-bainite matrix with microalloying (Nb ≤0.05%, V ≤0.10%, Ti ≤0.05%) pinning grains to ASTM 8-10, ensuring elongation ≥22% and KIc >140 MPa√m at –40 °C. Data sheets detail CEV ≤0.39 for WPS (no preheat to 80 mm, 70-120 °C thicker), density 7.85 g/cm³ for mass calc, and hardness 140-180 HBW for machinability (0.2-0.3 mm/rev). Vs. S355J2, properties enable 15-25% thinner plates, per Eurocode 3 buckling (λ = L/ρ adjusted for ReH).

Data sheets from Gangsteel include spectrographic verification, KV sub-size (>40 mm, 20 J min), and CTOD (>0.4 mm) for fracture, aiding DNV-OS-B101 or EN 1998-1 seismic. Download our S355ML Data Sheet EN 10025-4 Steel Properties Supplier for full tables. For chemical basis, S355ML Chemical Composition EN 10025-4 Supplier; mechanical, S355ML Mechanical Properties EN 10025-4 Plate Supplier.

 

Chemical Composition – Ladle and Product Analysis Combined

Properties stem from controlled chemistry.

Element	Ladle Max (%)	Product Deviation (%)	Typical Actual (%) – Gangsteel Stock	Role in Steel Properties
C	0.14	+0.02	0.09–0.12	Low for weld ductility; yield base
Si	0.50	+0.05	0.20–0.40	Deoxidizer; ferrite stability
Mn	1.60	+0.10	1.20–1.50	Strengthens for ReH 355 MPa
P	0.025	+0.005	≤0.018	Min for grain cohesion
S	0.020	+0.005	≤0.015	Low inclusions for KV
Nb	0.05	+0.01	0.02–0.04	Pins for fine grains/elongation
V	0.10	+0.02	0.04–0.08	Precipitates for Rm range
Al min	0.020	+0.030 (total)	0.025–0.045	Deoxidizes for clean matrix
Ti	0.05	+0.03	0.01–0.03	Nitride for isotropy
Cr	0.30	+0.05	0.10–0.25	Hardenability control
Ni	0.50	+0.05	0.20–0.40	–50 °C transition
Mo	0.10	+0.03	≤0.05	HAZ stability
Cu	0.55	+0.03	0.20–0.35	Deoxidizer
N	0.015	+0.003	≤0.012	Low for properties
CEV max	0.39	N/A	0.32–0.38	Weld index for ductility

CEV = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15. Equivs match. Full: S355ML Chemical Composition EN 10025-4 Supplier.

 

Mechanical Properties – Full Thickness Range up to 200 mm (Transverse)

Thickness (mm)	ReH min (MPa)	Rm (MPa)	A5 min (%)	KV min (J, long. –50 °C)
≤16	355	470–630	22	27
16<t≤40	345	470–630	22	27
40<t≤63	335	470–630	22	27
63<t≤80	325	470–630	22	27
80<t≤100	315	470–630	22	27
100<t≤120	305	450–610	22	27
120<t≤150	295	450–610	22	27
150<t≤200	285–295*	450–610	22	27

*Agreement >150 mm; Gangsteel 295 MPa to 180 mm. Hardness 140-180 HBW; density 7.85 g/cm³. Curves: S355ML Mechanical Properties EN 10025-4 Plate Supplier.

 

Comparison Within the Standard

S355ML properties vs. family.

Property/Grade	S275M/ML	S355M	S355ML	S420M/ML
Yield (MPa, ≤16 mm)	275	355	355	420
Impact Temp (Long.)	-20°C (M)/-50°C (ML)	-20°C	-50°C	-20°C (M)/-50°C (ML)
Min KV (J)	40/-20°C; 27/-50°C	40/-20°C	27/-50°C	40/-20°C; 27/-50°C
CEV Max	0.38	0.39	0.39	0.43
Elong. A5 Min (%)	24	22	22	19
Tensile (MPa)	370-530	470-630	470-630	520-680
No-Preheat (mm)	100	80	80	60
Wt Save vs S355J2	5-10%	15-20%	15-20%	20-25%
Cost + vs S355J2 (USD/t)	+40-60	+80-120	+100-150	+150-200
Density (g/cm³)	7.85	7.85	7.85	7.85
Apps	Light frames	Bridges	Offshore	Cranes
Gangsteel Stock	High	V. High	Highest	Med

S355ML balanced; vs S355M, –50 °C KV; vs S275ML, 30% stronger; vs S420ML, ductility. See S355M vs S355ML EN 10025-4 Steel Plate Comparison Supplier.

 

Equivalent International Grades

Properties equivs.

Standard	Equivalent Grade	Key Match Notes	Typical Use Case
ASTM/ASME	A572 Gr.50 + Z35	Yield 345 MPa; properties align	U.S. properties calc
JIS G 3106	SM490A	Rm 490 MPa; ductility same	Japanese properties FEA
GB/T 1591	Q355E	Low-temp properties	China-EN properties
API 2W	Grade 50	Offshore properties	Low-temp platforms
EN 10025-6	S355QL	QT properties; S355ML cheaper	Heavy properties loads

Indicative; TMCP properties better HAZ. Dual-cert. Full: S355ML Equivalent Material EN 10025-4 Plate Supplier.

 

Applications & Design Considerations for S355ML Properties

Properties for Eurocode 3, 18% less steel.

• Offshore: Foundations, yield/KV vs brittle; fatigue 10^8 cycles 140 MPa DNV-RP-C203. For data, S355ML Data Sheet EN 10025-4 Steel Properties Supplier.
• Cold Bridges: Girders, Z35 tears; HIC Class 1.
• Pipes: Penstocks, A5 3% drifts EN 1998-1; C4M <0.08 mm/yr epoxy.
• Fab: Booms, 3t radius; 55 yr ICCP.

Notes: Interpass 150°C; ER50-2. FEA properties input, 2% hardening. Eco: 97% recycle, 20% CO2 save. Gangsteel V-50°, UT S4. For weld, S355ML/NL Weldability EN 10025-4 Fine Grain Supplier.

 

Why Choose Gangsteel for S355ML Properties

• 5,000+ t stock.
• Mill-direct 70-120 USD/t save; >700 MT tiers.
• Process: laser ±0.4 mm, X-bevel, 140 mm bore, 500 mm roll, C5I 180 µm.
• Cert: ISO 9001/14001, NACE sour, EN 1090 EXC4.
• Legacy: Siemens 1,000+ t (Hornsea), Total (Ichthys)—OTIF 100%.

To 92+ countries: Rotterdam 7 days. For specs, S355ML Specification EN 10025-4 Steel Plate Supplier.

 

FAQ

Q1: S355ML vs S355M properties difference?

A: Impact temp: S355ML –50 °C ≥27 J for cold (offshore/Arctic); S355M –20 °C ≥40 J for temperate. Yield/chem/elong/density same—ML for < –20 °C (DNV-OS-B101). Gangsteel stocks both with full properties MTCs.

Q2: Welding preheat for S355ML properties?

A: None to 80 mm (CEV 0.32-0.38); low-H E7018 H4. Thicker: 70-120 °C (EN ISO 13916). TMCP low stress preserves properties; saves 50 °C vs J2; CET per heat WPS.

Q3: S355ML for pressure vessels properties?

A: Yes, PED III (EN 13445); derate >63 mm. UT S3/E3; RT opt seams. Properties aid fracture (KIc >140 MPa√m); cost-effective vs QT; dual ASME/EN.

Q4: S355ML vs S355J2 properties price?

A: +100-140 USD/t for TMCP/-50 °C properties; offset 15-20% thinner + 25% fatigue. FOB 700-800 USD/t (25 mm); vol 10-15% discount.

Q5: Z35 in S355ML properties?

A: Z25 std; Z35 stocked (≥35% RA EN 10164 Cl.3) tension; +15-25 USD/t. Properties Norsok M-120 welds; density neutral.

Q6: ASTM equiv for S355ML properties?

A: A572 Gr.50 + Z35; yield 345 MPa, properties align –50 °C KV add. A633 Gr.C normalized; TMCP HAZ better. Dual-cert stocked.

Q7: Custom S355ML lead time properties?

A: Stock 1-3 days; processed 2-5 days; mill 3-5 weeks. 95% OTIF; air <10 MT 24-48 hrs; properties verified MTC.

 

Contact Gangsteel

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