S275M Equivalent Material EN 10025-4 Plate Supplier

 

 

 

S275M Equivalent Material EN 10025-4 Plate Supplier

Gangsteel – China's Leading Mill-Direct Supplier & Exporter of S275M Equivalent Material EN 10025-4 Plates

Gangsteel is the professional supplier you can trust for S275M equivalent material EN 10025-4 plates, with the largest permanent stock in Asia – over 5,000 tons always ready in thickness 6–200 mm, width 1500–4200 mm, length up to 18 meters. All plates are genuine TMCP (thermomechanical controlled process) produced by top mills with full European approvals and third-party inspection (DNV-GL, ABS, LR, BV, CCS, KR, TÜV, SGS).

S275M is the entry-level high-strength grade in the en 10025 4 High Strength Structural Steel family, offering 275 MPa minimum yield strength and ≥40 J impact toughness at –20 °C. It is the direct TMCP alternative to normalized S275N (EN 10025-3) and the sister grade to the low-temperature bestseller S275ML (–50 °C).

We also stock the complete EN 10025-4 series, including the popular low-temperature grade en 10025 4 s275ml steel plate and en 10025 4 s275m steel plate, standard-temperature en 10025 4 s355m steel plate, mid-range en 10025 4 s355ml steel plate and en 10025 4 s420ml steel plate, higher-strength en 10025 4 s460m steel plate, and top-end en 10025 4 s460ml steel plate.

 

What is S275M Equivalent Material EN 10025-4?

S275M equivalent material refers to international steel grades that match or closely approximate S275M under EN 10025-4:2004 (2019)—a thermomechanically rolled (TMCP) weldable fine-grain structural steel with 275 MPa minimum yield strength and ≥40 J Charpy V-notch at –20 °C longitudinally. The designation "S275M" means "S" structural, "275" nominal yield (MPa, ≤16 mm transverse), "M" TMCP delivery (900-1100 °C rolling + 20-40 °C/s cooling).

TMCP's fine grains (ASTM 8-10) and low CEV ≤0.38 provide superior weldability (no preheat to 100 mm) and isotropy versus normalized or QT alternatives. Equivalents are vital for global projects, allowing substitution without re-qualification under codes like Eurocode 3 or DNV-OS-B101. Common scenarios include replacing S275M with Q275C (GB) for Chinese-EU hybrids or A572 Gr.42 (ASTM) for U.S. compliance.

Gangsteel supplies S275M with dual/triple certification, ideal for hybrid specs. For chemical basis, S275M Chemical Composition EN 10025-4 Supplier; mechanical, S275M Mechanical Properties EN 10025-4 Plate Supplier.

 

Chemical Composition – Ladle and Product Analysis Combined

Element	Ladle Max (%)	Product Deviation (%)	Typical Actual (%) – Gangsteel Stock	Role in Properties
C	0.14	+0.02	0.09–0.12	Low C for weld ductility
Si	0.50	+0.05	0.20–0.40	Deoxidizer
Mn	1.50	+0.10	1.10–1.40	Strength for ReH 275 MPa
P	0.030	+0.005	≤0.018	Min P for toughness
S	0.025	+0.005	≤0.015	Low S for inclusion-free KV
Nb	0.05	+0.01	0.02–0.04	Pins grains for 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	Controlled hardenability
Ni	0.50	+0.05	0.20–0.40	–20 °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	0.38	N/A	0.32–0.36	Weld index for ductility

CEV = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15. Equivs match. Full: S275M 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. –20 °C)
≤16	275	370–530	24	40
16<t≤40	265	370–530	24	40
40<t≤63	255	370–530	24	40
63<t≤80	245	370–530	24	40
80<t≤100	235	370–530	24	40
100<t≤120	235	360–520	24	40
120<t≤150	225	360–520	24	40
150<t≤200	215–225*	360–520	24	40

 

Agreement >150 mm; Gangsteel 225 MPa to 180 mm. Hardness 130-170 HBW; density 7.85 g/cm³.: S275M Mechanical Properties EN 10025-4 Plate Supplier.

 

Comparison Within the Standard

S275M properties vs. family.

Property/Grade	S275M	S275ML	S355M/ML	S420M/ML	S460M/ML
Yield (MPa, ≤16 mm)	275	275	355	420	460
Impact Temp (Long.)	-20°C	-50°C	-20°C (M)/-50°C (ML)	-20°C (M)/-50°C (ML)	-20°C (M)/-50°C (ML)
Min KV (J)	40	27	40 / 27	40 / 27	40 / 27
CEV Max	0.38	0.38	0.39	0.43	0.48
Elong. A5 Min (%)	24	24	22	19	17
Tensile (MPa)	370-530	370-530	470-630	520-680	540-720
No-Preheat (mm)	100	100	80	60	80
Wt Save vs S355J2	5-10%	5-10%	15-20%	20-25%	25-30%
Cost + vs S355J2 (USD/t)	+40-60	+50-70	+80-120	+150-200	+160-220
Density (g/cm³)	7.85	7.85	7.85	7.85	7.85
Apps	Light frames	Cold frames	Bridges	Cranes	Offshore
Gangsteel Stock	High	High	V. High	Medium	Highest

S275M entry high strength; vs S275ML, –20 °C KV; vs S355M, 20% lighter cost; vs S420M, better ductility/weldability. See S275M vs S275ML EN 10025-4 Low Temp Comparison Supplier.

 

Equivalent International Grades

S275M matches global shifts, TMCP aiding rolled precision.

Standard	Grade Equivalent	Key Notes	Typical Substitution Scenario
ASTM/ASME	A572 Gr.42 + Z35	Yield near; LT test for –20 °C.	US light structures, AISC 360.
JIS G 3106	SM400B	Core match; scale per JIS G 0404.	Asian utility frames.
GB/T 1591	Q275C	KV at 0 °C; dual China-EU.	Domestic chill with exports.
BS EN 10025-3	S275N	S275M adds TMCP fine-grain.	UK low-temp general.
API 2H	Grade 42	S275M enhances LT; CTOD optional.	Shallow-water jackets.

Indicative; S275M for –20 °C. Related: en 10025 4 s420ml steel plate.

 

Applications & Design Considerations for S275M

S275M's TMCP simplicity suits Eurocode 3, trimming 10% vs. S235 in frames while padding impacts. Key fields:

• Light Infra: Walkway trusses, wind braces—KV at –20 °C bars snaps.
• Marine Lite: Dock fenders, wave barriers; fatigue EN 1993-1-9 > S235 (Δσ=140 MPa).
• Agri Mods: Farm silos, chiller frames—low CEV seals lap welds.
• Temp Mods: Seasonal sheds, expo halls; Z35 stops cracks in clips.

Tips: Use E42xx fillers; heat ≤1.8 kJ/cm HAZ. Form 1.8t cold; heat 700–850 °C. Green: 100% recycle, 15% CO2 drop vs. HR TMCP. Gangsteel does plasma cuts (±1.5 mm) and zinc (35 µm) for fixings.

 

Why Choose Gangsteel for Your S275M Needs

Gangsteel redefines S275M sourcing:

• Deep Stock: 3,000+ tons—93% in 2–5 days.
• Price Play: Direct 20–60 USD/ton save, tiers >80 MT.
• Fab Flex: Flame (±2.5 mm), drill (30 mm), bend (0.6 m), C2 coat (40 µm).
• Code Fit: EN 1090 EXC1, DNV ordinary, ISO 12944 C2.
• Proven Path: Outfits Unilever chills, Maersk aids, Valmet mills—clean sails.

To 78+ hubs: Oslo (10 days), Vancouver (15 days), under Incoterms 2020.

 

FAQ

Q1: S275M vs S275ML?

A: KV only: S275M ≥40J –20 °C for mild, S275ML ≥27J –50 °C for chill. Rest match—ML < –20 °C EN 1991-1-3 snow.

Q2: S275M weld preheat?

A: No; CEV ≤0.38 to 100 mm H4 electrodes. Bulk: 75–120 °C via EN 1011. CET per batch PQR.

Q3: S275M for vessels?

A: Yes—PED I low EN 10028. t-scale; VI EN 10228.

Q4: S275M vs S355M cost?

A: 50-80 USD/ton premium for TMCP, offset 15% thinness. FOB: ~680–780 USD/ton (25 mm).

Q5: Z for S275M?

A: Z25 base; Z35 for pulls. EN 10164 Cl.1.

Q6: S275M = A572 Gr.42?

A: Yield close (275 vs 290 MPa); S275M finer grain. AISC ok w/ impact.

Q7: S275M custom time?

A: Stock: 1–3 days. Fab: 2–4 days. Roll: 3–4 weeks; rush <4 MT.

Contact Gangsteel for Competitive Quotes & Fast Shipment

Join Gangsteel for EN 10025-4 S275M ease.

Email: admin@gangsteel.com WhatsApp/WeChat/Mobile: +86 135 9887 9167 Website: https://gangsteel.net/

Gangsteel—Fundamentals Fortified. Stocks ample, builds basic.

 

Other technical date for EN 10025-4 S275M STEEL PLATE