45Mn High Mechanical Performance Structural Steel Plate
45Mn medium carbon quenched and tempered steel has higher strength, toughness and hardenability than No. 45 steel. After quenching and tempering, it can obtain better comprehensive mechanical properties, good machinability, but poor welding performance, low cold deformation plasticity, and temper brittleness tendency. It is generally used in the quenching and tempering state, but also in the quenching and tempering or normalizing state. It is used to manufacture worn parts, such as rotating shaft, spindle, crankshaft, spline shaft, connecting rod, universal joint shaft, engaging rod, gear, clutch plate, bolt, nut, etc.
Chemical composition of 45Mn High Mechanical Performance Structural Steel Plate
| Grade | C | Si | Mn | Cr | P | S | Cu | Ni |
| 45Mn | 0.42～0.50 | 0.17～0.37 | 0.70～1.00 | ≤0.25 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 |
Mechanical property of Chemical composition of 45Mn High Mechanical Performance Structural Steel Plate
| Grade |
Yield Strength (MPa) |
Ultimate Tensile Strength (MPa) |
Elongation at Break (%) |
| 45Mn |
≥375 |
≥620 |
≥15 |
Product Introduction of Mechanical property of Chemical composition of 45Mn High Mechanical Performance Structural Steel Plate
| Product name | Alloy high strength steel 45Mn DIN 60Si2Mn 55Si2Mn spring steel plate |
| Standrad | GB JIS ASTM DIN |
| Thickness | 1.5-20mm |
| Width | 1250-2000mm |
| Technique | Hot rolled,cold rolled |
| Surface Treatment | Clean, blasting and painting according to customer requirement |
| Thickness tolerance | ±0.1mm |
| Application | 65Mn steel can make a general section size of 8~15mm or so small spring such as a variety of small size flat round spring, bottom spring spring spring, also suitable for the production of spring ring valve spring clutch reed brake spring, etc 65Mnj is one of the materials for making all kinds of board springs and silk springs. |
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