EN 10025-4 S355M TMCP Structural Steel Plate supplier

EN 10025-4 S355M TMCP Structural Steel Plate

Gangsteel – China's Leading Mill-Direct Supplier & Exporter of EN 10025-4 S355M Thermomechanically Rolled Weldable Fine Grain Structural Steel Plates

As a renowned Chinese steel exporter, Gangsteel furnishes exceptional en 10025 4 s355m steel plate straight from our substantial 15,000+ ton depot. EN 10025-4 S355M is a versatile high-strength, fine-grain structural steel manufactured via TMCP (Thermomechanical Controlled Processing), yielding a minimum yield strength of 355 MPa and dependable weldability. Spanning thicknesses 6–200 mm, widths up to 4200 mm, and lengths to 18 m, our plates hail from premier mills such as HBIS and Shougang, equipped with thorough PED/CE endorsement (2014/68/EU) and EN 10204-3.1/3.2 certifications. Independent reviews by DNV, ABS, Lloyd’s, BV, or TÜV validate fitness for transnational specifications.

What is EN 10025-4 S355M TMCP Structural Steel Plate?

EN 10025-4 S355M is a thermomechanically rolled (TMCP) weldable fine-grain structural steel according to the European EN 10025-4:2004 standard (amended 2019), crafted for augmented-strength demands in ambient conditions. "S" marks structural intent, "355" the foundational yield in MPa, "M" the thermomechanical condition, and absent "L" denotes baseline impact at -20°C (≥40J Charpy V-notch). TMCP—exact rolling paired with regulated cooling—engenders a refined polygonal ferrite matrix, conferring 10–20% elevated bearing over S275 or S235 grades and allowing 12–18% trimmer geometries for thrifty fabrication.

Prominent attributes include curtailed carbon equivalent (CEV ≤ 0.39) permitting preheat-exempt welding to 70 mm thick, stalwart HAZ versus fractures, and selective Z-direction fortification (Z25/Z35) to obviate rifting in burdened unions. Unlike normalized siblings (EN 10025-3 S355N), S355M's TMCP lessens latent stresses and amplifies evenness, apt for vibratory duties. It conforms to Eurocode 3 and EN 1090 for execution, impelling from commercial edifices to transit hubs. Gangsteel accentuates S355M provisioning (core 10–80 mm thick) for prompt 3–7 day dissemination, underpinning endeavors like urban high-rises and continental rail corridors.

Chemical Composition (Ladle Analysis, % max unless noted)

S355M's blend equilibrates modest carbon with microalloying for pinning, deriving low CEV to guard weld durability and shun banding. Adheres to EN 10025-4 parameters.

*CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15; typical CEV 0.32–0.37 for superior weld ease. Nb/V/Ti secure grains at ASTM 9–11, bolstering -20°C flexibility. For frigid enhancement, see en 10025 4 s355ml steel plate. Ladle adjustments for Si up to 0.55% in deoxidized heats.

Mechanical Properties (Transverse Testing)

S355M's TMCP yields a ductile, hardy fabric with pearlite specks, affirming reliable yield and KV through gauges. Transverse certified; longitudinal habitually 4–7% robust.

Brinell hardness: 140–190 HBW. Impact transition: DBTT < -30°C. Cyclic strength: 200 MPa (10^6 cycles, R=0). Integral UT EN 10160 S1/E1; PT for surfaces optional. S355ML relocates KV to -50°C ≥27J.

Equivalent International Grades

S355M counterparts expedite cross-border bids, TMCP advantaging in assembly fluidity.

Caveat: Validate KV alignment; S355M for -20°C domains. Allied: en 10025 4 s275m steel plate for baseline vigor.

Applications & Design Considerations for S355M

S355M's equilibrium yield and formability streamline Eurocode 3 tension checks, curtailing mass 15% vs. S275JR in truss webs while fortifying versus yielding. Vital venues:

• Commercial Erects: Office towers, warehouse portals—Rm sustains live loads.
• Transport Nets: Overpass beams, metro vaults; fatigue EN 1993-1-9 > S275 (Δσ=190 MPa).
• Industrial Gear: Conveyor frames, pump housings—low CEV assures joint soundness.
• Modular Builds: Prefab panels, acoustic barriers; Z25 averts peel in shear tabs.

Fabric notes: Pair with E35xx consumables; max heat 2.5 kJ/cm for HAZ constancy. Form radius 2.5t ambient; heat bend 800–950°C sans reheat. Sustain metrics: 100% recyclable, 20% reduced emissions vs. AR via TMCP. Gangsteel proffers sheared edges (tolerance ±2 mm) and pre-punched slots for modular clips.

Why Choose Gangsteel for Your S355M Needs

Gangsteel shines in S355M distribution:

• Ample Reserves: 4,000+ tons allocated—88% probes resolved in 3–5 days.
• Fiscal Acumen: Mill-direct deltas 30–90 USD/ton, scaled premiums for 120+ MT.
• Workflow Aids: Abrasive waterjet (±0.5 mm), countersink (to 50 mm), cambering (up to 1 m), and C3M galvanizing (85 µm).
• Standard Savvy: EN 1090 EXC2, LR Grade A equiv, and atmospheric per ISO 9223 C3.
• Endorsed Flow: Supplied Arup designs, Hyundai docks, and Saint-Gobain plants—unerring dispatch.

Dispatches to 82+ locales: Bilbao (8 days), Jakarta (10 days), or Miami (14 days) under adaptive clauses.

Top Exported EN 10025-4 Grades: Real-Time Stock Insights

Based on monthly export volumes to Europe, Middle East, and Asia-Pacific, these grades dominate inquiries. Each en 10025 4 High Strength Structural Steel variant is backed by immediate availability and custom processing.

1. en 10025 4 s355ml steel plate – Global bestseller for -50°C toughness in wind energy.
2. en 10025 4 s460ml steel plate – High-strength leader for offshore oil & gas.
3. en 10025 4 s355m steel plate – Versatile workhorse for bridges and buildings.
4. en 10025 4 s460m steel plate – Preferred for heavy machinery upgrades.
5. en 10025 4 s420ml steel plate – Essential for jack-up platforms and cranes.
6. en 10025 4 s420m steel plate – Reliable for high-load industrial frames.
7. en 10025 4 s275ml steel plate – Go-to for cost-effective low-temp projects.
8. en 10025 4 s275m steel plate – Entry-level high-strength option.

Explore full specs, current pricing, and stock levels via our dedicated pages above.

FAQ

Q1: How does S355M diverge from S355ML?

A: Impact gauge exclusively: S355M affirms ≥40J at -20°C, S355ML at -50°C (≥27J) for gelid sites. Yield, stretch, and makeup identical—elect ML for under -20°C by EN 1991-1-4 wind loads.

Q2: Preheating mandate for S355M welds?

A: Infrequent; CEV ≤0.39 endorses nil-preheat to 50 mm via E5003 arcs. For denser/confined, 60–120°C per BS EN ISO 3834. Lot-wise CET for procedure tailoring.

Q3: S355M viability for containment?

A: Positive—PED Cat. I/II for ambient tanks via EN 14015. Adjust for t>40 mm; VT per EN 10228-1 for bond scrutiny.

Q4: S355M surcharge vs. S275M?

A: 70–130 USD/ton for boosted yield, balanced by 10–15% tonnage cut. FOB Shanghai: ~650–750 USD/ton (20 mm, spot).

Q5: Z-specs for S355M?

A: Standard Z25 (≥25% RA); Z35 (≥35%) available for tensile like base plates. EN 10164 Class 1.

Q6: S355M parity with A572 Gr.50?

A: Yield match (355 vs. 345 MPa); S355M TMCP heightens grain control. Complies AISC with notch adders.

Q7: Mod time for S355M?

A: Virgin: 2–4 days. Bespoke (shear, notch, seal): 3–5 days. Mill fresh: 3–5 weeks; rush vessel for <6 MT.

Contact Gangsteel for Competitive Quotes & Fast Shipment

Team with Gangsteel for effortless EN 10025-4 S355M acquisition.

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