Best Carbon Steel Plate Grades for Structural Fabrication
Choosing the right steel grade for structural projects is critical for safety, durability, and fabrication ease.
Here’s a clear, buyer-focused guide to the Top 5 most popular carbon steel plate grades used in structural fabrication.
Best for construction companies, OEM fabricators, bridge manufacturers, and industrial EPCs.
Why Grade Selection Matters in Structural Projects
Correct grade = Cost efficiency + Performance + Safety
Factors to consider:
- Yield strength
- Weldability
- Impact toughness
- Availability & cost
Overview of Top 5 Structural Steel Plate Grades
| Rank | Grade | Type | Common Use |
|---|---|---|---|
| 1 | ASTM A36 | Low carbon structural steel | General fabrication |
| 2 | IS 2062 Grade B | Indian structural steel | Bridges, buildings |
| 3 | EN 10025 S275JR | Mild structural steel | Columns, beams |
| 4 | EN 10025 S355JR | High strength structural steel | Heavy load structures |
| 5 | JIS G3101 SS400 | Japanese structural steel | Machine frames, civil projects |
Application Areas for Structural Steel Plates
- Bridges and Flyovers
- Industrial Sheds and Warehouses
- High-Rise Buildings
- Shooting Range Bullet Traps
- OEM Machine Base Frames
- Heavy Equipment Support Structures
ASTM A36 – The Most Widely Used Structural Plate
- Yield Strength: Min 250 MPa
- Tensile Strength: 400–550 MPa
- Best for: General fabrication, frames, base plates
Export Demand: USA, Middle East, Africa
IS 2062 Grade B – The Indian Standard
- Yield Strength: Min 250 MPa
- Best for: Bridges, construction, OEM fabrication
Impact-tested (optional) – For E250 BO, E250 BR, and E250 C variants.
EN 10025 S275JR – Mild European Structural Steel
- Yield Strength: 275 MPa
- Used in: Light to medium structural work
- Popular for: Beams, columns, light bridges
EN 10025 S355JR – High Strength, Heavier Load Steel
- Yield Strength: 355 MPa
- Tensile Strength: 470–630 MPa
- For: Heavy load-bearing structures, bridges, and towers
Exported widely for infrastructure projects.
JIS G3101 SS400 – Popular for General Structural Use
Yield Strength: 245 MPa (Min)
Tensile Strength: 400–510 MPa
Applications: Civil engineering, machinery frames, base plates.
Export Availability for Structural Grades
We export all top structural grades to:
- UAE
- Saudi Arabia
- South Africa
- Vietnam
- Qatar
- USA
CIF, FOB, Ex-Works options available
Buyer Tip: How to Select the Right Structural Grade
For general use: A36 or IS 2062
For export projects: ASTM A36 or S275JR/S355JR
For heavy load structures: S355JR
For projects in Japan or Japanese specs: SS400
Confirm project design codes before finalizing grade
Certifications and Inspection Support
We provide:
- MTC as per ASTM, IS, EN, JIS standards
- UT Level II / III (on request)
- Impact test reports for S355JR / IS 2062 C
- Third-party inspection (SGS, TUV, Lloyd’s)
FAQs – Top Structural Steel Plate Grades
Is A36 suitable for heavy structures?
For general use, but S355JR is better for heavy load.
What is the yield strength of IS 2062 Grade B?
Minimum 250 MPa
Which grade is preferred for bridges?
S355JR or IS 2062 Grade C
What is the price difference between A36 and S355JR?
S355JR is higher due to strength
Is SS400 equivalent to IS 2062?
Comparable for general structural use
Is impact testing available for structural grades?
Yes, for S355JR and IS 2062 Grade C.
What thickness range is available?
6 mm to 150 mm
Which grades meet EN 10025 standard?
S275JR and S355JR.
Where can I get a quote for structural steel plates?
WhatsApp, Email, or Call us for fast quote.
Contact Hindustan Steel Corporation today?
Contact Hindustan Steel Corporation today
Ask for:
- Current stock of A36, IS 2062, S275JR, S355JR, and SS400
- Thickness-wise price chart
- Export lead time for your location