S45C/45# steel
45# steel is commonly used as a medium-carbon quenched and tempered structural steel. Its cold plasticity is average, and annealing and normalizing improve slightly better than quenching and tempering. It offers high strength and good machinability. Appropriate heat treatment can impart a certain degree of toughness, plasticity, and wear resistance. It is readily available. It is suitable for hydrogen welding and argon arc welding, but less suitable for gas welding. Preheating is required before welding, and stress relief annealing should be performed after welding.
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Product Introduction
A commonly used medium-carbon quenched and tempered structural steel. This steel exhibits average cold plasticity, and annealing and normalizing improve slightly compared to quenching and tempering. It offers high strength and good machinability. Appropriate heat treatment can impart a certain degree of toughness, plasticity, and wear resistance. The material is readily available. Suitable for hydrogen welding and argon arc welding, but less suitable for gas welding. Preheating is required before welding, and stress relief annealing should be performed after welding.
Normalizing improves the cutting performance of blanks with a hardness less than 160 HBS. After quenching and tempering, this steel's overall mechanical properties surpass those of other medium-carbon structural steels. It can be used as a core material for various shafts, such as motor shafts, fan shafts, and guide rails.