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Q345C Structural Alloy Steel
Material Name
Material Name: Q345C
Execution standard: GB/T1591-2008.
Characteristics and scope of application
Applied to the core strength requirements is not high or the cyanide carburizing parts, such as rod, connecting rod, hook, bolt, shaft and welding parts
Chemical Composition
| C |
Ti |
Nb | Mn | S | P | Al |
| 0.14-0.22 |
0.02-0.20 |
0.015-0.060 |
Max 1.70 | Max 0.035 |
Max 0.035 |
Min 0.015 |
Mechanical Properties
|
Yield Strength σs 0.2 (MPa) |
Elongation
δ 5 (％) |
| Min 325 | 22 |
Delivery State
In hot rolling, controlled rolling, normalizing and normalizing and tempering of delivery.
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