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S45C carbon structural steel

Japan imported S45C carbon structural steel / tool steel is a Japanese standard JIS G4051-79 (94) refined high-quality carbon steel, S45C carbon structural steel used by the electric furnace, flat furnace or pure oxygen converter steel manufacturing Of the whole static steel, the steel microstructure uniform, no tissue defects. The steel carbon content of more than 0.4%, excellent wear resistance, but the ductility is reduced, quenching and deformation and cracking, so heat treatment is extremely important, and no need to quench after tempering, because there is no second type of temper brittleness. By performing the ballification treatment of the steel, the cutting performance of such carbon steel can be improved.

Japan S45C widely used in machinery manufacturing, the mechanical properties of this steel is very good. But this is a medium carbon steel, quenching performance is not good, can be hardened to HRC42 ~ 46. So if you need the surface hardness, but also want to play a superior mechanical properties, you can apply surface carburizing quenching, so you can get the required surface hardness.

S45C

Chemical Composition(%)max

C

Mo

Cu

Ni

S

P

0.4

--

0.3

0.2

0.035

0.03

S45C is a medium-carbon high-quality steel, a very wide range of use, uniform microstructure, no tissue defects, by the ball of the ball treatment, can improve the chip performance of such carbon steel. Generally used in normalizing or quenching, tempering, widely used in the manufacture of high wear resistance requirements, dynamic load and the impact of little mechanical parts and spring parts, such as forging gears, drawbars, rollers, shaft, friction plate, Agricultural digging plow, heavy load mandrel, all kinds of cold mold mold plate, mold fixed plate, standard template material, mold material, etc.

German steel: 1.0503 carbon structural steel, the Chinese standard steel: 45 steel, the United States standard steel: 1045 carbon structural steel.

Delivery status: Delivery without heat treatment or heat treatment (annealing, normalizing or high temperature tempering). Requirements for heat treatment status delivery should be indicated in the contract, not indicated by non-heat treatment delivery. General supply hardness are: 137 ~ 170HBS; 167 ~ 229HBS; 201 ~ 269HBS.

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