45 S 20 - EU 87(1970)

45 S 20 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.42	0.1	0.5	-	0.15
Maximum Value	0.5	0.4	0.9	0.06	0.25

45 S 20 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Bars, rods, semi-finished products; d ≤ 10	Cold rolled (CR)	735~981	≥569	≥5	-
Bars, rods, semi-finished products; d ≤ 10	Quenching and tempering (H+T)	667~863	≥471	≥10	-
Bars, rods, semi-finished products; d ≤ 10	Hot working or drawing (HW or D)	588~765	-	-	≤229

45S20 Corresponding Standards(Same grade name, different standards)

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