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17NiCrMo6-4 | 1.6566 Material Datasheet

Material Test Series Values
Material Standard Values

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	Successor	VDA 231-106 classification
1.6566 (DIN EN ISO 683-3 : 2019-04)	17NiCrMo6-4	1.6566	DIN EN ISO 683-3 : 2019-04	DIN EN ISO 683-3 : 2019-04 replaced by DIN EN ISO 683-3 : 2022-06	Replaced	Germany	17NiCrMo6-4	17NiCrMo6-4	1.1.1	1)
1) Remark: The case-hardening steel is used for high loaded gear parts.

Chemical Composition

C [%]	Cr [%]	Cu [%]	Mn [%]	Mo [%]	Ni [%]	P [%]	S [%]	Si [%]	Remainder
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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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Hardenability (Jominy test)

Condition	Front Distance [mm]	Hardness HRC (+H grade)	Hardness HRC (+HH grade)	Hardness HRC (+HL grade)
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FKM Guideline Fatigue Strength

Semi-finished Product	Condition	Nominal Size [mm]	Tensile Strength [MPa]	Yield Strength [MPa]	Fatigue Limit under rev. Tension-Compression Stresses [MPa]	Fatigue Strength under pulsating Tensile Stresses [MPa]	Bending Fatigue Strength [MPa]	Shear Fatigue Strength [MPa]	Torsion Fatigue Strength [MPa]	Constant a for size factor Kd for yield stress Rp	Constant a for size factor Kd for tensile strength Rm
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Heat Treatment

Heat Treatment	Step	Temperature [°C]	Holding Time [h]
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Cross Reference

Material Name	Country	Standard
1.6566	Europe	EN 10084	1)
17NiCrMo6-4	Europe	EN 10084	1)
17NiCrMo6-4	Europe	EN ISO 683-3
15Ni5Cr4Mo1(-S)	India	IS 4432	2)
17NiCrMo6-4	International	ISO 683-3
1) Source: EN ISO 683-3:2019-02
2) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
Firmodur 6566	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten	1)
17NiCrMo6-4	Georgsmarienhütte GmbH, Georgsmarienhütte	1)
17NiCrMo6-4	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach	1)
17NiCrMo6-4	pauly STAHLHANDEL, Essen	1)
17NiCrMo6-4	Saarstahl AG, Völklingen	1)
17NiCrMo6-4	Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau	1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach