30CrNiMo8 1.6580 30CND8 - NF EN 10083-3-2006

Grade	30CrNiMo8
	1.6580
Old Grade
Corresponding Standard	NF EN 10083-3-2006 Tempered alloy structural steel
Classification	Alloy Steel

30CrNiMo8 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S ^①	Cr	Ni	Mo
Minimum Value	0.26	-	0.5	-	-	1.8	1.8	0.3
Maximum Value	0.34	0.4	0.8	0.025	0.035	2.2	2.2	0.5

30CrNiMo8 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: d ≤ 16mm; t ≤ 8mm	Quenching + Tempering (+QT)	1250~1450	≥1050	≥9	≥40
Steel: 16mm ≤ d ≤ 40mm; 8mm ≤ t ≤ 20mm	Quenching + Tempering (+QT)	1250~1450	≥1050	≥9	≥40		≥30
Steel: 40mm ≤ d ≤ 100mm; 20mm ≤ t ≤ 60mm	Quenching + Tempering (+QT)	1000~1300	≥900	≥10	≥45		≥35
Steel: 100mm ≤ d ≤ 160mm; 60mm ≤ t ≤ 100mm	Quenching + Tempering (+QT)	1000~1200	≥800	≥11	≥50		≥45
Steel: 160mm ≤ d ≤ 250mm; 100mm ≤ t ≤ 160mm	Quenching + Tempering (+QT)	900~1100	≥700	≥12	≥50		≥45
Steel:	Processed to a Certain Shearability (+S)					①
Steel:	Softening Annealing (+A)					≤248

30CrNiMo8 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!