GBT3274 Quality carbon structural steel plate
GBT 3274 is a quality carbon structural steel plate standard. We supply certified industrial materials for construction and machinery applications.
1. High Strength and Durability
2. Multiple Grades and Thickness Options
3. Meets International Specifications
GBT3274 Quality carbon structural steel description
GBT 3274 carbon structural steel plates are widely used in construction, machinery, and general engineering applications. As a China-based manufacturer and bulk supplier, we offer high-quality plates with excellent strength, formability, and weldability.
Our plates comply with GB/T 3274 standards and are suitable for structural components, frames, and industrial fabrication. Available in various grades (such as Q235, Q355) and thicknesses (3mm to 50mm), we provide reliable steel solutions for manufacturers, contractors, and engineering firms.
For GBT 3274 carbon steel plate supply or bulk inquiries, contact our factory for competitive pricing and fast delivery.
GBT3274-Chemical Composition/Tensile Requirements
| GBT3274 Chemical Composition | |||||
| 等级 (Grade) | C (≤%) | Mn (≤%) | Si (≤%) | P (≤%) | S (≤%) |
| Q235A | 0.22 | 1.4 | 0.35 | 0.045 | 0.05 |
| Q235B | 0.2 | 1.4 | 0.35 | 0.04 | 0.045 |
| Q345A | 0.2 | 1.7 | 0.55 | 0.045 | 0.045 |
| Q345B | 0.2 | 1.7 | 0.55 | 0.04 | 0.04 |
| GBT3274 – Tensile Requirements | |||
| Grade | Yield Strength, MPa | Tensile Strength, MPa | Elongation, % |
| Q235A | ≥235 | 370~500 | ≥26 |
| Q235B | ≥235 | 370~500 | ≥26 |
| Q345A | ≥345 | 470~630 | ≥22 |
| Q345B | ≥345 | 470~630 | ≥22 |
Get Free Quote of GBT3274
Certified Quality Standards,Wide Grade Selection，Custom Processing Services，Stable Supply & Fast Delivery
GBT3274 Quality carbon structural steel Application
GBT3274 Quality carbon structural steel plates are widely used in general structural and mechanical applications across various industries. In construction and infrastructure, they are ideal for fabricating beams, columns, and frames due to their good strength and formability. In the automotive sector, GBT3274 plates are commonly used for manufacturing chassis components, brackets, and reinforcement parts. The machinery industry relies on these plates for producing gears, shafts, and structural supports that require moderate strength and machinability. GBT3274 is also used in agricultural equipment, storage racks, and low-pressure containers. Its balanced performance in weldability, cost-effectiveness, and mechanical properties makes it a preferred choice for structural engineers and metal fabricators in China and international markets.
Detail Display
Product Packaging
