S20c Mechanical Properties

s20c mechanical properties

S20C is a low carbon steel grade Its mechanical properties include:

Tensile strength: 440-590 MPa
Yield strength: 245-275 MPa
Elongation: 20-25%
Hardness: 150-200 HB

S20C is a kind of steel, which belongs to low carbon carbon steel.

Chinese name S20C

standard JIS G4051-2005

strength than 15 steel slightly higher

cold deformation plasticity

Executive standard
JIS G4051-2005

Characteristic application range

S20C strength is slightly higher than 15 steel, rarely quenched, no tempering brittleness. High cold deformation plasticity, generally for bending, calendering, bending and hammer arch and other processing, arc welding and contact welding performance is good, gas welding thickness is small, strict shape requirements or complex shape of the workpiece prone to crack. The machinability of cold drawing or normalizing state is better than annealing state, S20C is used to manufacture parts with little force and high toughness requirements.

peculiarity

Cold extruded, carburized hardened steel. The steel belongs to low-carbon carbon steel, the steel has low strength, good toughness, plasticity and weldability. Yield strength ≥245MPa, tensile strength ≥402MPa, elongation ≥28%. Normalizing can promote spheroidization of structure, refine large block proeutectoid ferrite, and improve cutting performance of blank less than 160HBS.

Supply status
Unheat treated state.

Chemical composition

(Mass fraction, %) C 0.18-0.23, Si 0.15-0.35, Mn 0.30-0.60, P≤0.030, S≤0.035.

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