As-Rolled Plate Finish
As-rolled surface condition and natural mill scale for your product acceptance review.
Global Steel Supply & Processing
Hot-Rolled Carbon Structural Steel | GB/T 700-2006
8 MILLION MT ANNUAL STEEL PRODUCTION
Share your required thickness, width, length, quantity and destination port. Receive factory pricing matched to your purchase specification.
View Q235B specifications ↓
Use the grade, plate dimensions and inspection conditions to prepare a clear RFQ for your structural steel order.
| Steel grade | Q235B Carbon Structural Steel |
| Material standard | GB/T 700-2006 |
| Plate delivery standard | GB/T 3274-2017, when specified for hot-rolled plate |
| Product form | Hot-rolled steel plate / hot-rolled sheet |
| Thickness | Specify your required thickness in mm; availability confirmed per inquiry |
| Width & length | Standard plate sizes or cut dimensions according to your RFQ |
| Surface / edge | As-rolled surface; mill or cut edge as agreed |
| Material documents | Heat analysis, mechanical test records and MTC scope per order |
| Purchase information | Grade, size, quantity, inspection needs, destination port |
Q235B strength requirements vary with thickness. Match the material data to your ordered plate size and applicable standard.
| Plate thickness | Min. yield strength |
|---|---|
| ≤ 16 mm | 235 MPa |
| > 16–40 mm | 225 MPa |
| > 40–60 mm | 215 MPa |
| > 60–100 mm | 205 MPa |
| > 100–150 mm | 195 MPa |
| > 150–200 mm | 185 MPa |
Reference values from GB/T 700-2006. Testing and acceptance follow the edition and delivery requirements specified for the order.
| Element | Max. mass fraction |
|---|---|
| Carbon (C) | 0.20% |
| Silicon (Si) | 0.35% |
| Manganese (Mn) | 1.40% |
| Phosphorus (P) | 0.045% |
| Sulfur (S) | 0.045% |
GB/T 700-2006 reference composition for Q235B. Purchaser-approved variations and heat-analysis records are addressed in the final material specification.
Estimate theoretical weight from your dimensions and plate count. Send the resulting plate schedule for order pricing.
Calculated using a nominal steel density of 7,850 kg/m³. Actual shipment weight follows the agreed weighing and tolerance requirements.
Send these details for a complete factory quotation:
Review the hot-rolled surface condition, plate edges and thickness presentation before you finalize your purchase specification.
As-rolled surface condition and natural mill scale for your product acceptance review.
Thickness, edge type and dimensional requirements confirmed against your order list.
Choose the plate size, fabrication route and inspection scope that suit your project drawings and end use.
Plate for base plates, stiffeners, connection plates and fabricated support assemblies.
Q235B plate for machine frames, equipment bases, brackets and workshop assemblies.
Dimensional plate components used in structural foundations and equipment anchoring.
Welded assemblies for industrial structures and support systems.
Plate components within access platforms and industrial walkways.
Cut plate used beneath machinery, production equipment and mounting frames.
Blank plates and fabricated components for project-based steelwork.
Steel support components for industrial handling and conveying equipment.
Plan your steel purchasing around documented manufacturing scale, regular inventory, specification handling and export coordination.
Our actual annual steel production supports volume-driven sourcing programs and project purchase schedules.
Manufacturing →Our regular steel inventory supports steel purchasing plans across product categories. Your specific Q235B size availability is confirmed per RFQ.
Steel Inventory →Share your grade, thickness, plate list, required inspection and delivery terms for a precise quotation.
Coordinate heat identification, inspection scope, packing and destination requirements through one sales contact.
Quality Control →BAOSTEEL METAL supports structural steel procurement with established production operations and coordinated material supply.
Our regular steel inventory reaches 1 million metric tons across product categories. Send your Q235B plate sizes, quantity and shipment destination for current availability and production scheduling.
Specify GB/T 700 testing, plate dimension checks, heat traceability and your required mill test certificate with the purchasing documents.
Send your cut dimensions or drawing with your plate schedule. Our team will confirm the applicable cutting process and processing arrangement for your order.
Share your destination port, shipment weight and unloading requirements. Our team will coordinate an appropriate packing method and quotation terms for your confirmed plate order.
Explore structural steel plate grades by standard, mechanical properties and purchasing requirements.
Useful purchasing details for stockholders, fabricators, steel structure contractors and industrial buying teams.
Send your grade, thickness, width, length, total tonnage, destination port and required material certificates. Add drawings when cutting is part of your order.
GB/T 700-2006 specifies 235 MPa through 16 mm, 225 MPa above 16 to 40 mm, and lower minimum values across thicker ranges. Use the mechanical properties table above for your specified thickness.
Include your chemical analysis, mechanical testing, material traceability and third-party inspection requirements in the RFQ. Our team will confirm the applicable documentation and inspection scope.
Send your required grade, dimensions, quantity and destination. Our team will review the inquiry.