A36/Q235/S235JR Carbon Steel Plate
A36/Q235/S235JR hot rolled carbon steel plate is widely used mild structural steel. It features good ductility, excellent cutting, bending and welding performance. ASTM A36, EN S235JR and GB Q235B are equivalent grades. Suitable for steel structures, base plates, equipment supports and general fabrication projects. We provide MTC certificates, custom cutting, blasting and anti-rust painting services. Stable stock, competitive price and fast delivery.
A36/Q235/S235JR Carbon Steel Plate
A36/Q235/S235JR carbon steel plate is the most common mild carbon structural steel plate widely accepted in global steel trade. It has moderate strength, great ductility, excellent cutting, bending and welding performance, suitable for general structural fabrication without high strength requirements. A36 is the ASTM American standard grade, S235JR follows EN European standard, and Q235 is the Chinese equivalent grade.
Product Parameters
| Product Name | A36 / Q235 / S235JR Carbon Steel Plate |
| Process | Hot Rolled Steel Plate |
| Standards | ASTM A36, EN 10025 S235JR, GB/T 700 Q235B |
| Thickness | 3mm – 200mm |
| Width | 1000mm – 2500mm |
| Length | 2000mm – 12000mm, custom cut available |
| Surface | Black hot rolled surface, shot blasting, painting optional |
Chemical Composition
| Grade | C ≤ | Mn ≤ | P ≤ | S ≤ | Si ≤ |
|---|---|---|---|---|---|
| A36 | 0.25 | 1.03 | 0.04 | 0.05 | 0.40 |
| S235JR | 0.17 | 1.40 | 0.035 | 0.035 | – |
| Q235B | 0.20 | 1.40 | 0.045 | 0.045 | 0.35 |
Mechanical Properties
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation |
|---|---|---|---|
| A36 | ≥250 | 400–550 | ≥20% |
| S235JR | ≥235 | 360–510 | ≥25% |
| Q235B | ≥235 | 370–500 | ≥26% |
Application
A36 Q235 S235JR steel plate is widely used in steel structure frames, base plates, equipment supports, ship auxiliary structures, container parts, warehouse racks, guardrails, brackets and general engineering construction. It is a cost-effective mild steel plate for laser cutting, plasma cutting, bending and welding processing.
Grade Equivalent
A36, S235JR and Q235B are commonly cross-referenced equivalent mild carbon steel grades for global procurement. We can provide MTC mill test certificate for each batch.
Our factory offers custom cutting, drilling, blasting and anti-rust painting services. Stable stock, competitive price and fast shipment for bulk orders.
