S275M Equivalent GBT 1591 China Grade Supplier

 

 

S275M Equivalent ASTM Grade Steel Plate Supplier

Gangsteel – China's Leading Mill-Direct Supplier & Exporter of S275M Equivalent ASTM Grade Steel Plates

Gangsteel is the professional supplier you can trust for S275M equivalent ASTM grade steel 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 produced by top mills with full European approvals and third-party inspection (DNV-GL, ABS, LR, BV, CCS, KR, TÜV, SGS).

We supply S275M equivalent to ASTM A572 Gr.42 (most common) with full dual-certification, Z35 through-thickness quality in stock, 100 % UT EN 10160 S2/E2 standard, and full documentation.

Immediate delivery worldwide in 3–7 days. Full processing services available.

Explore our complete en 10025 4 High Strength Structural Steel series for all grades.

 

What is S275M Equivalent ASTM Grade Steel Plate?

S275M equivalent ASTM grade refers to the closest U.S. specifications that match 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 longitudinal.

The most widely accepted S275M equivalent ASTM grades are:

ASTM Grade	Key Match to S275M	Typical Use Case
A572 Grade 42	Yield 290 MPa, similar chemistry	Preferred general structural
A573 Grade 58	Normalized, close properties	Storage tanks & light structures
A588 Grade A + Z35	Weathering + through-thickness	Corrosive environments
A633 Grade A	Normalized, –50 °C toughness option	Cold-region alternative

Best overall equivalent: ASTM A572 Grade 42 + Z35

• High-strength low-alloy (HSLA)
• Excellent weldability
• Commonly dual-certified with S275M

Gangsteel supplies dual-certified S275M + A572 Gr.42 plates when required by U.S. projects.

 

Chemical Composition – S275M vs ASTM A572 Gr.42 Equivalent

Element	S275M (EN 10025-4) max %	A572 Gr.42 (ASTM) max %	Difference & Impact
C	0.14	0.21	Lower C in S275M = better HAZ
Si	0.50	0.40	Similar
Mn	1.50	1.35	Similar
P	0.030	0.040	Tighter in S275M
S	0.025	0.050	Lower S in S275M
Nb + V + Ti	0.15 combined	Limited	Higher microalloying in S275M
CEV max	0.38	0.45	S275M best weldability

S275M has the tightest chemistry → superior HAZ toughness and preheat-free welding.

 

Mechanical Properties – S275M vs A572 Gr.42

Property	S275M (EN 10025-4)	A572 Gr.42 (ASTM)	Notes
Yield Strength ReH (MPa)	275 (≤16 mm) → 215–225 (>150 mm)	290 (all thicknesses)	Very close
Tensile Strength Rm (MPa)	370–530	415 min	Similar
Elongation A5 (%)	≥24	≥20	S275M better ductility
Impact Toughness (long.)	≥40 J at –20 °C	No mandatory low-temp	S275M superior

S275M offers better ductility and guaranteed low-temp toughness compared to standard A572 Gr.42.

 

Why Choose Gangsteel for S275M Equivalent ASTM Grade Plates

• Largest stock of S275M and ASTM equivalents in Asia (5,000+ tons)
• Factory-direct price – 60–120 USD/ton lower than traders
• Full dual EN/ASTM certification available
• Z35 quality in stock
• Immediate delivery worldwide
• Exported to 90+ countries with perfect documentation
• One-stop service – stock → processing → shipping

 

FAQ – Quick Answers

Q1: Best S275M equivalent for U.S. projects?A: A572 Gr.42 + Z35; yield close, add –20 °C KV for full match. Dual-cert available.

Q2: Can I use A572 Gr.42 instead of S275M?A: Yes for most applications, but S275M required for European certification or guaranteed –20 °C impact.

Q3: Price difference between S275M and A572 Gr.42?A: S275M 40–80 USD/ton higher than A572 Gr.42 due to European certs and TMCP properties.

Q4: Do you have dual-certified plates?A: Yes – EN 10025-4 S275M + ASTM A572 Gr.42 is common from our stock.

Q5: Z35 availability for both?A: Yes – large stock of S275M + Z35 and A572 Gr.42 + Z35 ready.

Q6: Delivery time to USA?A: Stock material 7–12 days to Houston or Los Angeles.

Q7: Can you supply triple-certified plates?A: Yes – EN 10025-4 S275M + ASTM A572 Gr.42 + GB/T 1591 Q275C is possible by agreement.

Contact Gangsteel Today

Need S275M or equivalent ASTM grade 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 Global Expert for S275M and All Equivalents.

 

 

Other technical date for EN 10025-4 S275M STEEL PLATE