20Х1М1Ф1БР 20ХМФБ ЭП44 - GOST 20072-1974

Grade	20Х1М1Ф1БР
Old Grade
Corresponding Standard	GOST 20072-1974 Heat-resistant steel specifications
Classification	Alloy Steel

20Х1М1Ф1БР Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	V	Nb	B	Ce
Minimum Value	0.18	-	0.5	-	-	1	-	0.8	-	0.7	0.05	-	0.05
Maximum Value	0.25	0.37	0.8	0.03	0.03	1.5	0.3	1.1	0.06	1	0.15	0.005	0.1

20Х1М1Ф1БР Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Steel	Annealed,tempered or high-temperature normalized					Diameter of a imprint ≥4mm HB≤229
Steel	Quenching and drawing	≥780	≥665	≥14	≥50		KCU≥59J/cm2

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