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20 MnCr 5 | 1.7147 Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Number (single)	Standard	Scope	Standard Status	Country	Application temperature [°C]	VDA 231-106 classification
1.7147 (DIN 1652-3 : 1990-11)	1.7147	DIN 1652-3 : 1990-11	DIN 1652-3 : 1990-11 replaced by DIN EN 10277-4 : 1999-10	2	Germany	≥ -25	1.1	1)
1) Remark: The steel 20 MnCr 5 in opposite to 16 MnCr 5 is used for larger parts with higher core strength and advantageous toughness properties in the vehicle and mechanical engineering (e.g. gears, shafts, steering parts). The lowest application amounts to -25 °C, the best application up to 50 mm nominal size. Der Stahl 20 MnCr 5 ist gegenüber dem 16 MnCr 5 geeignet für Teile größerer Abmessungen im Fahrzeug- und Maschinenbau bei höherer Kernfestigkeit und günstigen Zähigkeitseigenschaften (Getriebe, Gelenkteile, Zahnräder, Bolzen). Die niedrigste Einsatztemperatur liegt bei -25 grd C, der günstigste Einsatzbereich bis 80 mm Nennmaß.

Cross Reference

Material Name	Country	Standard
20 MC 5	France	NF A 35-551
18 ChG	Russia	GOST 4543
20 MnCr 5	International	ISO 683/11-87
20 MnCr 5	Italy	UNI 8788
SMnC 420	Japan	JIS G 4106
18 HG	Poland	PN H-84030/02
2523-03	Sweden	MNC 851
F.1523-20 MnCr 5	Spain	UNE 36-013
5120	USA	ASTM A 322

Producer/Supplier/Trade names

Tradename	Supplier
20 MnCr 5	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach

Corrosion

Corrosion Group
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Material Compliance

REACh	RoHS
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Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Tensile Strength [MPa]	Hardness HB \| HBW
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Physical Properties

Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Poisson's Ratio	Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]	Differential Coefficient of Thermal Expansion [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Thermal Diffusivity [10^-6 m²/s]	Specific Electrical Resistance [µΩm]	Mean Specific Heat Capacity [kJ/(kg*K)]	True Specific Heat Capacity [kJ/(kg*K)]
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Chemical Composition

C [%]	Cr [%]	Mn [%]	P [%]	S [%]	Si [%]
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