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S45C / 1045

S45C is a medium strength steel. Suitable for shafts studs, keys etc. Available as rolled or normalised. Supplied as square bar, or round bar or flat. They are excelling in weldability & machinability , and they can be subjected to various heat treatments

 

 

 

Specification

TAIWAN - CNS CHINA - GB JAPAN - JIS USA - ASTM GERMANY - DIN
S45C 45 S45C 1045 C45, Ck45, Cf45

Product Specification

Shape Size
Round Bar 13 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 34 36 38 40 42 44 45 46 48 50 53 55 57 60 62 65 67 70 72 75 78 80 82 85 87 90 92 95 100 103 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 200 210 220 230 240 250 260 270 280 290 295 305 315 325 335 345 355 365 375 385 395 405 415 425 435 445 455 465 475 485 495 505 515 525 535 545 555 565 575 585 595 605

Product Feature

Mechanical parts and structual steel.

Heat treatment conditions

Annealing Normalize Quench Tempering
880 Furnace cooling 880~ 870 Air cooling 820~ 870 Water cooling 550~ 650 prompt cooling

Mechanical properties

(1) Material

Tensile strength kgf/mm² Yield strength kgf/mm² Elongation % Cross section reduction rate % Hardness Hb
≧58 ≧35 ≧20 ≧45 167~229

(2) After heat treatment

Tensile strength kgf/mm² Yield strength kgf/mm² Elongation % Cross section reduction rate % Hardness Hb
≧70 ≧50 ≧17 ≧45 201~269