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About S355K2G3 Steel Plates
S355K2G3 Steel Plates are high-strength low-alloy structural steel plates manufactured as per EN 10025-2 standards, widely used in heavy engineering, offshore construction, industrial infrastructure, pressure vessel fabrication, shipbuilding, bridge construction, and oil & gas projects. These plates offer an excellent combination of high tensile strength, superior weldability, excellent notch toughness, and reliable performance in low-temperature environments. The “K2” designation confirms impact testing at -20°C, making the material suitable for demanding structural applications exposed to harsh climatic and operational conditions. The “G3” delivery condition indicates normalized or controlled rolled steel, improving grain refinement, toughness, and dimensional stability.
Triton Alloys Inc. is a leading supplier, stockist, and exporter of S355K2G3 steel plates in India, offering ready stock in thicknesses ranging from 6mm to 150mm with custom cutting, plasma profiling, third-party inspection, and fast global delivery solutions.
Why Choose Triton Alloys Inc. for S355K2G3 Steel Plates?
Trusted by EPC contractors, fabricators, infrastructure companies, offshore industries, and heavy engineering buyers across India and global markets.
1. EN 10025-2 Certified Structural Steel Plates
- ◇ All S355K2G3 plates are supplied with EN 10204 3.1/3.2 Mill Test Certificates (MTC), ensuring verified mechanical properties, chemical composition, and international quality compliance.
2. Large Ready Stock Available for Immediate Dispatch
- ◇ We maintain ready inventory of S355K2G3 plates in multiple sizes, widths, and thicknesses from 6mm to 150mm for urgent project requirements across India and export destinations.
3. Custom Cutting, Profiling & Processing Services
- ◇ Value-added services including flame cutting, plasma cutting, edge preparation, shearing, drilling, and cut-to-size processing are available as per project drawings and fabrication requirements.
4. Competitive S355K2G3 Plate Prices in India
- ◇ Get highly competitive S355K2G3 plate prices per kg and per metric ton with special pricing for bulk orders, EPC projects, infrastructure contractors, and repeat buyers.
5. Trusted Exporter with Worldwide Delivery
- ◇ Triton Alloys Inc. exports S355K2G3 steel plates to the Middle East, Europe, Southeast Asia, and African markets with reliable logistics coordination and on-time shipment support.
6. Technical Assistance for Heavy Engineering Applications
- ◇ Our experienced technical team provides support for material selection, welding procedures, fabrication guidance, offshore specifications, and structural engineering requirements.
S355K2G3 Plate Specifications
| Item | S355K2G3 - Offshore & Structural Steel Plate |
|---|---|
| Thickness | 5mm-150mm |
| Width | 1000mm-4500mm |
| Length | 3000mm-18000mm or as custom’s request |
| Material | En 10025-2 Steel Plate, S355K2G3 Steel Plate |
| Technique | hot rolled |
| Standard | EN 10025-2:2004 |
Mechanical Properties of S355K2G3 Plates
|
Thickness
|
Yield
StrengthReH[N/mm2]
transv.min.
|
TensileStrengthRm[N/mm2]transv.
|
Fracture Elongation[%]transv.
min.
|
Notch Impact
Energy1)Ch Vcomplete samplelongitud.
min [J]
|
|
t≤ 16mm
t >16mm
|
355
345
|
|
|
-20 degree
40J
|
|
t < 3mm
t ≥ 3mm
|
|
510-680
490-630
|
|
|
|
Up to 1.5mm
1.51-2.00mm
2.01-2.50mm
2.51-2.99mm
≥ 3mm
|
|
|
13
14
15
16
20
|
Applications of S355K2G3 Plates
- ◇ Shipbuilding and Marine StructuresFor hull structures, decks, and offshore platforms exposed to harsh marine environments.
- ◇ Bridge ConstructionIdeal for load-bearing bridge components and high-strength structural parts.
- ◇ Pressure Vessels & BoilersUsed in manufacturing components that operate under high pressure and varying temperatures
- ◇Power Plants & Energy InfrastructureSuitable for heavy steel structures, support frames, and equipment bases.
- ◇ Mining, Earthmoving & Heavy EngineeringUtilized in dump truck bodies, conveyor systems, and machinery frames.
S355K2G3 steel plates are designed for heavy-duty applications requiring superior strength, durability, and impact resistance at low temperatures. Common uses include:
S355K2G3 Equivalent Grades
| EN 10025-2 | Steel Number | DIN 17100 | NP | JIS | AFNOR | BS |
| S355K2G3 | 1.0595 | - | Fe510-DD | SM490YB | E36-4 | 50DD |
S355K2G3 Plates Chemical Composition (2025 Updated)
| Grade | C | Si | Mn | P | S | Cu | CEV |
| S355K2G3 | 0.23-0.24 | 0.600 max. | 1.700 max. | 0.035 max. | 0.035 max. | 0.060 max. | < 0.47 |
India, Saudi Arabia, Bangladesh, United States, United Arab Emirates, Canada, Angola, Argentina, Austria, Azerbaijan, Pakistan, Peru, Chile, Spain, France, United Kingdom, Indonesia, Israel, Iran, Kuwait, Mexico, Malaysia, Nigeria, Serbia, Singapore, Taiwan, Venezuela, Ecuador, Netherlands, Brazil, Colombia, Ghana, Denmark, Poland, Australia, Afghanistan, Bahrain, Costa Rica, Egypt, Iraq, Jordan, South Korea, Kazakhstan, Sri Lanka, Lithuania, Norway, Oman, Philippines, Qatar, Russia, Vietnam, South Africa, Turkey, Hungary, Algeria, Belarus, Belgium, Bhutan, Bolivia, Bulgaria, Croatia, Czech Republic, Estonia, Finland, Greece, Italy, Japan, Libya, Romania, Thailand, Trinidad & Tobago, Tunisia, Ukraine, Yemen, Hong Kong, Gabon, China, Portugal, Switzerland, New Zealand, Sweden, Slovakia, Kenya, Lebanon, Morocco, Mongolia.
Mumbai, Thane, Navi Mumbai, Pune, Pimpri-Chinchwad, Vadodara, Kolkata, Gurgaon, Ahmedabad, New Delhi, Bengaluru, Chennai, Surat, Bhopal, Ulsan, Faridabad, Houston, Dubai, Seoul, Hyderabad, Singapore, Abu Dhabi, Tehran, Calgary, Noida, Riyadh, London, Coimbatore, Jakarta, Istanbul, Bangkok, Kuwait City, Sharjah, Muscat, Edmonton, Busan, Mexico City, Doha, Jeddah, Aberdeen, Cairo, Geoje-si, Perth, Santiago, Chandigarh, Indore, Kuala Lumpur, Rio de Janeiro, Dammam, Melbourne, Madrid, La Victoria, Bogota, Lahore, Los Angeles, Algiers, Chiyoda, Ankara, Ho Chi Minh City, Toronto, Hong Kong, Rajkot, Brisbane, Petaling Jaya, Ernakulam, Secunderabad, Gimhae-si, Al Jubail, Port-of-Spain, Thiruvananthapuram, Milan, Atyrau, Lagos, Hanoi, Howrah, Sydney, Ahvaz, Karachi, New York, Caracas, Vung Tau, Al Khobar, Manama, Montreal, Granada, Courbevoie, Visakhapatnam, Ludhiana, Moscow, Dallas, Haryana, Colombo.
FAQs on S355K2G3 Steel Plates
S355K2G3 is a high-strength structural steel plate manufactured according to EN 10025-2 standards. It offers excellent weldability, high impact toughness at -20°C, and superior strength for structural and heavy engineering applications.
“K2” indicates Charpy V-notch impact testing at -20°C, while “G3” refers to normalized or controlled rolled delivery condition for improved mechanical properties and grain structure.
These plates are widely used in offshore structures, bridge construction, shipbuilding, pressure vessels, mining equipment, industrial sheds, cranes, heavy machinery, and oil & gas fabrication projects.
Yes. Triton Alloys Inc. supplies S355K2G3 plates with EN 10204 3.1/3.2 Mill Test Certificates and optional third-party inspection from SGS, DNV, TUV, Lloyd’s Register, or BV.
We supply S355K2G3 steel plates in thicknesses ranging from 6mm to 150mm with custom width, length, and cut-to-size options available.
Both grades are closely related structural steels with similar strength and toughness properties. S355K2+N explicitly indicates normalized condition, while S355K2G3 refers to normalized or controlled rolled delivery condition under older EN standards.
