Carbon steel remains one of the most widely used materials in industrial cutting equipment, from blades and frames to structural components. For Southeast Asian sellers looking to sell on Alibaba.com, understanding carbon steel specifications is essential for effective product positioning and buyer communication.
Carbon steel is classified primarily by carbon content, which directly affects mechanical properties, machinability, and cost. The industry standard classification divides carbon steel into three categories:
International standards bodies define carbon steel specifications differently. The major standards include ASTM (American), EN (European), GB (Chinese), and JIS (Japanese). For B2B exporters on Alibaba.com, understanding these equivalencies helps communicate product specifications to global buyers effectively.
Carbon Steel Grade Equivalencies Across International Standards
| Application | Chinese (GB) | American (ASTM) | European (EN) | Key Properties |
|---|---|---|---|---|
| Structural Frames | Q235 | A36 | S235JR | Yield: 235 MPa, Good weldability |
| General Mechanical | 35# | 1035 | C35 | Tensile: 530 MPa, Medium hardness |
| Cutting Blades | 45# | 1045 | C45 | Tensile: 600 MPa, Heat treatable |
| High-Wear Tools | T12 | 1095 | C100W2 | Hardness: HRC 60+, Edge retention |

