| naresh@diamondalloysinc.com |
Leading Manufacturers, Exporters, Wholesaler, Retailer and Trader of ASTM A283 Grade C Plates, ASTM A36 Plates, DSQ Plates, Mild Steel Plates and Structural & Offshore Steel Plates from Mumbai.
| Business Type | Manufacturer, Exporter, Supplier, Retailer, Trader, Distributor, Importer |
| Type | Structural Steel Plates |
| Material | ASTM A283 Grade C Steel |
| Color | Metallic |
| Thickness | 3mm - 150mm |
| Width | 1000mm - 3000mm |
| Length | 3000mm - 12000mm |
| Finishing | Hot Rolled / Pickled & Oiled |
| Form | Plates, Sheets, Coils (on Request) |
| Grade | ASTM A283 Gr.C |
| Carbon Composition | 0.24% |
| Manganese Composition | 0.90% |
| Phosphorus Composition | 0.035% |
| Sulfur Composition | 0.040% |
| Tensile Strength | 380 - 515 MPa |
| Yield Strength | 205 MPa |
| Elongation | ≥ 20% (in 200mm) |
| Hardness | ≤ 135 HB (typical) |
| Application | Structural Steel Fabrication, Base Frames, Storage Tanks, Bridges, Boiler Components, Pipelines |
| Standards | ASTM A283 Grade C, ASME SA283 Grade C, EN Equivalent: S275JR, IS Equivalent: IS 2062 E250 |
| Processing Services | Shearing, Cutting, Bending, CNC Profiling, Surface Coating, Custom Lengths & Widths |
Product Description:
ASTM A283 Grade C Plates are standard specification structural steel plates with intermediate tensile strength, primarily used in general fabrication and construction applications. These plates offer excellent weldability and formability, making them suitable for structural frameworks, tanks, equipment bases, and pressure vessel fabrication.
Key Features:
Moderate tensile strength with excellent ductility
Good formability and machinability
Superior weldability with all standard methods
Affordable solution for general structural applications
Reliable for low and moderate temperature service
Specifications:
Grade: ASTM A283 Gr.C
Thickness: 3mm – 150mm
Width: 1000mm – 3000mm
Length: 3000mm – 12000mm
Finish: Hot Rolled / Pickled & Oiled
Form: Plates, Sheets, Coils (on request)
Chemical Composition (% Max):
Carbon (C): 0.24%
Manganese (Mn): 0.90%
Phosphorus (P): 0.035%
Sulfur (S): 0.040%
Mechanical Properties:
Tensile Strength: 380 – 515 MPa
Yield Strength (Min): 205 MPa
Elongation: ≥ 20% (in 200mm)
Hardness: ≤ 135 HB (typical)
Applications:
Structural Steel Fabrication
Base Frames and Supports
Storage Tanks and Pressure Vessels
Bridges and Construction Equipment
Boiler and Heat Exchanger Components
Pipelines and Conveying Systems
Standards & Equivalents:
ASTM: A283 Grade C
ASME: SA283 Grade C
EN Equivalent: S275JR (approx.)
IS Equivalent: IS 2062 E250
Processing Services Offered:
Shearing, Cutting, and Bending
CNC Profiling / Plasma Cutting
Surface Coating & Galvanizing
Custom Lengths & Widths Available
Country of Origin:
India | Japan | Europe | Korea
| Business Type | Manufacturer, Exporter, Supplier, Retailer, Trader, Distributor, Importer |
| Type | Carbon Steel Plates |
| Material | Carbon Steel |
| Thickness | 1.5mm - 200mm |
| Width | 1000mm - 3000mm |
| Length | 2000mm - 12000mm |
| Finish | Hot Rolled (HR), Pickled & Oiled |
| Yield Strength | ≥ 250 MPa (36 Ksi) |
| Tensile Strength | 400 - 550 MPa |
| Elongation | ≥ 20% |
| Hardness | ≤ 200 HB |
| Applications | Structural Frames And Buildings,Bridges And Infrastructure Projects,Construction Equipment,Storage Tanks And Pressure Vessels,Automotive And Truck Frames,Base Plates, Bracing & Gussets |
| Country of Origin | India | Korea | Japan | Europe | USA |
| Business Type | Manufacturer, Exporter, Supplier, Retailer, Trader, Distributor, Importer |
| Type | Mild Steel Plates |
| Country of Origin | India | Japan | Korea | Europe |
| Material | DSQ (Dead Soft Quality), Low Carbon Steel |
| Thickness | 0.5mm - 20mm |
| Length | 2000mm - 6000mm (custom Lengths Available) |
| Application | Electrical Enclosures,White Goods,Automotive Body Panels,Furniture & Storage Systems,Precision Formed Components,Deep Drawn Parts And Covers |
| Finishing | Cold Rolled (CR) / Hot Rolled (HR) |
| Width | 1000mm - 2500mm |
| Surface | Bright / Matt / Oiled / Dry |
Product Description:
DSQ Plates, or Dead Soft Quality Plates, are specialized mild steel plates manufactured with exceptionally low carbon content and excellent ductility. These plates are primarily used in applications requiring superior formability, deep drawing, and bending without cracking—making them highly suitable for automotive, fabrication, and industrial manufacturing sectors.
Key Features:
Superior Ductility – Excellent for deep drawing and forming operations
Smooth Surface Finish – Ideal for precision fabrication
Dead Soft Quality – Ensures minimal work hardening and enhanced flexibility
Excellent Weldability – Compatible with standard welding processes
Versatile Applications – Used in automotive, electrical enclosures, and white goods manufacturing
Specifications:
Material Grade: DSQ (Dead Soft Quality), Low Carbon Steel
Thickness: 0.5mm – 20mm
Width: 1000mm – 2500mm
Length: 2000mm – 6000mm (custom lengths available)
Finish: Cold Rolled (CR) / Hot Rolled (HR)
Surface: Bright / Matt / Oiled / Dry
Chemical Composition (% Max):
Carbon (C): ≤ 0.08%
Manganese (Mn): ≤ 0.50%
Phosphorus (P): ≤ 0.04%
Sulfur (S): ≤ 0.04%
Mechanical Properties:
Yield Strength: ≤ 210 MPa
Tensile Strength: 270 – 400 MPa
Elongation: ≥ 32%
Hardness: Soft / ≤ 140 BHN (typical)
Applications:
Electrical Enclosures
White Goods (Refrigerators, Washing Machines)
Automotive Body Panels
Furniture & Storage Systems
Precision Formed Components
Deep Drawn Parts and Covers
Processing Services Offered:
CNC Laser Cutting
Shearing / Bending / Punching
Roll Forming / Press Forming
Surface Coating / Oil Coating
Custom Slitting and Blanking
Standards & Equivalents:
IS: IS 513 Grade D
JIS: SPCE / SPCD
EN: DC01, DC03
ASTM: A569 / A1008 (for reference)
Country of Origin:
India | Japan | Korea | Europe
| Business Type | Manufacturer, Exporter, Supplier, Retailer, Trader, Distributor, Importer |
| Type | Steel Plates |
| Material | Mild Steel (Low Carbon Steel) |
| Color | Gray |
| Thickness | 1.5mm - 200mm |
| Width | 500mm - 3000mm |
| Length | 1000mm - 12000mm |
| Surface Finish | Hot Rolled (HR), Cold Rolled (CR), Galvanized (GI) |
| Form | Plain Sheet, Chequered Plate, HR/CR Coils |
| Yield Strength | 240 - 410 MPa |
| Tensile Strength | 410 - 560 MPa |
| Elongation | 20% - 25% |
| Hardness | ≤200 BHN |
| Carbon (C) Composition | ≤ 0.25% |
| Manganese (Mn) Composition | ≤ 1.50% |
| Sulphur (S) Composition | ≤ 0.050% |
| Phosphorus (P) Composition | ≤ 0.050% |
| Application | General Fabrication, Construction, Shipbuilding, Boilers, Tanks, Railway Cars |
| Processing Services | Cutting, Shearing, Coating, Machining, Customization |
| Standards | IS 2062, ASTM A36, EN 10025 |
| Country of Origin | India, Japan, Korea, Europe, UAE |
Product Description:
Mild Steel Plates, also known as MS Plates, are low carbon steel plates known for their strength, workability, and cost-effectiveness. These plates are widely used across industrial and commercial sectors due to their excellent weldability, machinability, and high tensile strength. Mild steel plates provide a reliable solution for structural and general engineering applications.
Key Features:
Low Carbon Content – Ideal for easy fabrication and forming
Excellent Weldability – Perfect for structural joining and fabrication
High Ductility & Toughness – Ensures durability under stress
Corrosion Resistance – Can be coated or galvanized for extended life
Versatile Applications – Suitable for various sectors from construction to shipbuilding
Specifications:
Material Grade: IS 2062, ASTM A36, EN 10025
Thickness: 1.5mm – 200mm
Width: 500mm – 3000mm
Length: 1000mm – 12000mm
Surface Finish: Hot Rolled (HR), Cold Rolled (CR), Galvanized (GI)
Form: Plain Sheet, Chequered Plate, HR/CR Coils
Mechanical Properties:
Yield Strength: 240 – 410 MPa
Tensile Strength: 410 – 560 MPa
Elongation: 20% – 25%
Hardness: ≤200 BHN (Typically)
Chemical Composition (% max):
Carbon (C): ≤ 0.25%
Manganese (Mn): ≤ 1.50%
Sulphur (S): ≤ 0.050%
Phosphorus (P): ≤ 0.050%
Applications:
General Fabrication
Construction (Beams, Columns, Platforms)
Shipbuilding & Automotive
Boilers & Pressure Vessels
Tanks, Silos, Pipelines
Railway Cars, Industrial Machinery
Processing Services Offered:
Plasma/Laser/Flame Cutting
Shearing & Bending
Surface Coating & Galvanizing
Machining & Drilling
Custom Shapes & Sizes Available
Standards & Grades Available:
Indian Standards: IS 2062 Gr A / B / E250 / E350
American Standards: ASTM A36 / A283
European Standards: EN 10025 S235JR / S275JR / S355JR
Country of Origin:
India | Japan | Korea | Europe | UAE
| Business Type | Manufacturer, Exporter, Supplier, Retailer, Trader, Distributor, Importer |
| Type | Steel Plates |
| Material | High-strength, Low-alloy Steel |
| Color | Metallic |
| Grades Available | ASTM A36, A572, A131, A514, API 2H, API 2W, S355G7, S355G8, S355G9, S355G10, EH36, DH36, AH36 |
| Thickness | 6 Mm - 200 Mm |
| Width | 1000 Mm - 3500 Mm |
| Length | 3000 Mm - 14000 Mm |
| Delivery State | As Rolled / Normalized / TMCP / Q&T |
| Certification | EN 10204 3.1 / 3.2, NACE MR0175 |
| Yield Strength | 355 - 690 MPa |
| Tensile Strength | 490 - 800 MPa |
| Impact Testing | -20°C To -60°C |
| Elongation | 17 - 22% |
| Carbon (C) | ≤ 0.18% |
| Manganese (Mn) | 0.90 - 1.60% |
| Silicon (Si) | 0.10 - 0.50% |
| Phosphorus (P) | ≤ 0.035% |
| Sulfur (S) | ≤ 0.035% |
| Application | Offshore Oil & Gas Platforms, Shipbuilding & Marine Structures, Wind Towers & Offshore Foundations, Bridges And Heavy Structural Fabrications, Oil Rigs, FPSO, And Jack-Up Rigs, Port Infrastructure And Coastal Projects,Load-bearing Applications In Onshore |
| Processing Options | Plasma / Oxy Cutting, Drilling & Machining, Shot Blasting & Primer Coating, Rolling, Bending & Welding Services, Ultrasonic & Radiographic Testing |
| Trusted Brands & Origin | Dillinger Hütte (Germany), SSAB (Sweden), ArcelorMittal (Europe), Essar / JSPL / SAIL (India), POSCO (Korea) |
Product Overview:
Structural & Offshore Steel Plates are high-strength, low-alloy plates specifically designed for load-bearing applications in both onshore construction and offshore environments. These plates offer superior mechanical properties, corrosion resistance, and weldability, making them ideal for harsh marine and structural conditions.
Key Highlights:
High yield strength and excellent impact resistance
Outstanding performance in low-temperature and corrosive environments
Available in normalized, thermo-mechanically rolled, or quenched & tempered conditions
Suitable for both static and dynamic loading structures
Compliance with leading international standards
Specifications:
| Grades Available | ASTM A36, A572, A131, A514, API 2H, API 2W, S355G7, S355G8, S355G9, S355G10, EH36, DH36, AH36 |
| Thickness | 6 mm – 200 mm |
| Width | 1000 mm – 3500 mm |
| Length | 3000 mm – 14000 mm |
| Delivery State | As Rolled / Normalized / TMCP / Q&T |
| Certification | EN 10204 3.1 / 3.2, NACE MR0175 |
Mechanical Properties (Typical for Offshore Grades):
Yield Strength: 355 – 690 MPa
Tensile Strength: 490 – 800 MPa
Impact Testing: -20°C to -60°C (as per grade requirement)
Elongation: 17 – 22%
Chemical Composition (Typical for EH36):
Carbon (C): ≤ 0.18%
Manganese (Mn): 0.90 – 1.60%
Silicon (Si): 0.10 – 0.50%
Phosphorus (P): ≤ 0.035%
Sulfur (S): ≤ 0.035%
Applications:
Offshore Oil & Gas Platforms
Shipbuilding & Marine Structures
Wind Towers & Offshore Foundations
Bridges and Heavy Structural Fabrications
Oil Rigs, FPSO, and Jack-Up Rigs
Port Infrastructure and Coastal Projects
Processing Options:
Plasma / Oxy Cutting
Drilling & Machining
Shot Blasting & Primer Coating
Rolling, Bending & Welding Services
Ultrasonic & Radiographic Testing
Trusted Brands & Origin:
Dillinger Hütte (Germany)
SSAB (Sweden)
ArcelorMittal (Europe)
Essar / JSPL / SAIL (India)
POSCO (Korea)
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