20Mn5

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#20Mn5

Description

20Mn5 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20Mn5

Category	Type	Steel Grade
Steel Grades	Carbon Steel	20Mn5
		Ck55
		1.1209
		C60E
		1.1221
		Ck60
		1.1223
		40Mn4
		1.1157
		1.1273
		90Mn4

Chemical composition(mass fraction)(wt.%) of the 20Mn5

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.60	1.00-1.50	0.035	0.035
Mo	Al	Cu	Nb	Ti	V	Ce
	≥0.020
N	Co	Pb	B	Other
				Cr+Ni+M0 ≤ 0.63

Mechanical Properties of steel grade 20Mn5

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
491 (≥)	426 (≥)	13	21	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	114

Physical Properties of steel grade 20Mn5

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
32	-	-			0.34	-
184	849	-	24.3	423		-
817	-	41	43.2			441	133

Heat Treatment of steel grade 20Mn5

Heat treated : 1481°C - 1293°C

Technological Curves of steel grade 20Mn5

No Curve

Cross Reference Table (Equivalent Grade) of 20Mn5

Grade	Standard	Country	Application
GS-20Mn5	DIN	Germany
EN 20Mn5	EN		Euronorm Structural steel
EN B20Mn5	EN		Euronorm Structural steel
EN 20Mn5	EN		Euronorm Stainless Steel

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