1.7224 | 1.7224 Material Datasheet

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	VDA 231-106 classification	Application temperature [°C]
1.7224 (WL 1.7224 : 1992-03)	1.7224	1.7224	WL 1.7224 : 1992-03	Supersedes WL 1.7220 : 1977-12	Valid	Germany	1.1.1	-55 - 235	1)
1) Remark: The quenched and tempered chromium-molybdenum aerospace steel is used for high strength bolts and nuts at operating temperatures from -55 °C to 235 °C. The upper temperature limit applies to cadmium plated bolts. The steel is not resistant to corrosion and not weldable.

Chemical Composition

C [%]	Cr [%]	Mn [%]	Mo [%]	P [%]	S [%]	Si [%]	Remainder
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Material Compliance

REACh	RoHS
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Mechanical Properties

Semi-finished Product	Condition	Condition Number	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A [%]	Reduction of Area [%]	Shear Strength [MPa]	Hardness HB \| HBW	Hardness HV
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Physical Properties

Condition	Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Electric Conductivity [MS/m]	Magnetizeability
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Toughness Data (Impact)

Condition	Condition Number	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]
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Hardenability (Jominy test)

Condition	Front Distance [mm]	Hardness HRC
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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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Fracture Toughness

Temperature [°C]	Yield Strength [MPa]	Plane-Strain Fracture Toughness KIc [MPa*m^½]
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Welding and Joining

Welding and Joining - Evaluation
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Heat Treatment

Heat Treatment	Step	Temperature [°C]	Medium
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Cross Reference

Material Name	Country	Standard
34CrMo4	Germany	DIN 1654	1)
34CrMo4	Germany	WL 1.7220
FE-PL 45	Europe	AECMA	1)
35 CD 4	France	AIR 9160	1)
2S147	Great Britain	BS 2 S 147	1)
Type C 31	International	ISO 4954	1)
35CrMo4	Italy	Unavia 822	1)
4135	USA	SAE	1)
1) Source: WL 1.7224-100 : 1992-03

Producer/Supplier/Trade names

Tradename	Supplier
1.7224	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach	1)
1.7224	INTERSTAHL Service GmbH, Wetter	1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Density

Temperature [°C]	Density [g/cm³]
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Linear-elastic

Temperature [°C]	Young's modulus [GPa]	Poisson's ratio
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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Alternating stress

Temperature [°C]	Stress ratio	Alternating stress [MPa]	Cycles
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Coefficient thermal expansion

Related Temperature [°C]	Temperature [°C]	Coefficient thermal expansion [10^-6*K^-1]
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Thermal conductivity

Temperature [°C]	Thermal conductivity [W/(m*K)]
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Designation

Designation	Material number	Source
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Thermal conductivity

Temperature [°C]	Thermal conductivity [W/(m*K)]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Thermal conductivity

Temperature [°C]	Thermal conductivity [W/(m*K)]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Strain life

Temperature [°C]	Static hardening coefficient [MPa]	Static hardening exponent	Cyclic fatigue strength coefficient [MPa]	Cyclic fatigue strength exponent	Ductility coefficient [Pa]	Ductility exponent	Cyclic strength coefficient [MPa]	Cyclic strain hardening exponent	Young's modulus [GPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Thermal conductivity

Temperature [°C]	Thermal conductivity [W/(m*K)]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Thermal conductivity

Temperature [°C]	Thermal conductivity [W/(m*K)]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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1.7224 | 1.7224 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

Material Description

Chemical Composition

Material Compliance

Mechanical Properties

Physical Properties

Toughness Data (Impact)

Hardenability (Jominy test)

FKM Guideline Fatigue Strength

Fracture Toughness

Welding and Joining

Heat Treatment

Cross Reference

Producer/Supplier/Trade names

1.7224 (1.7224; WL 1.7224 : 1992-03)

Classification

Density

Linear-elastic

Yield strength

Tensile strength

Alternating stress

Coefficient thermal expansion

Thermal conductivity

Designation

1.7224 (annealed to achieve spheroidized carbides (+AC))

Classification

Thermal conductivity

1.7224 (annealed to achieve spheroidized carbides (+AC); rod; 5.000-40.000mm)

Classification

Tensile strength

1.7224 (cold drawn, annealed to achieve spheroidized carbides and slightly skin passed)

Classification

Thermal conductivity

1.7224 (cold drawn, annealed to achieve spheroidized carbides and slightly skin passed; wire; 10.000-16.000mm)

Classification

Tensile strength

1.7224 (cold drawn, annealed to achieve spheroidized carbides and slightly skin passed; wire; 16.000-30.000mm)

Classification

Tensile strength

1.7224 (cold drawn, annealed to achieve spheroidized carbides and slightly skin passed; wire; 5.000-10.000mm)

Classification

Tensile strength

1.7224 (normalized, normalized and tempered (+N+NT); bar; 8mm; fracture)

Classification

Strain life

1.7224 (quenched and tempered (+QT))

Classification

Thermal conductivity

1.7224 (quenched and tempered (+QT); bar; 16.000mm)

Classification

Tensile strength

1.7224 (quenched and tempered (+QT); finished part)

Classification

Yield strength

Tensile strength

1.7224 (quenched and tempered for high hardness)

Classification

Thermal conductivity

1.7224 (quenched and tempered for high hardness; finished part)

Classification

Yield strength

Tensile strength

Diagram Settings

Diagram Preview

Data Values

Series Points