1.4544 | 1.4544 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Standard Status Country VDA 231-106 classification Application temperature [°C]
1.4544 (WL 1.4544 : 1982-03) 1.4544 1.4544 WL 1.4544 : 1982-03 Valid Germany 1.1.2 ≤ 850 1)
1) Remark: The stainless austenitic Ti-stabilized aerospace steel is resistant to scaling up to 850 °C, it is good weldable and cold formable. It is used for welded construction parts with higher requirements to the corrosion resistance and cold forming ability with low strength requirements. The steel is resistant to intercrystalline corrosion, also in the welded condition without post heat treatment.

Chemical Composition

C [%] Cr [%] Mn [%] Ni [%] P [%] S [%] Si [%] Ti [%] 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] Yield Strength (1.0% offset) [MPa] Elongation A [%] Elongation A50 [%] Reduction of Area [%] Hardness HV
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Physical Properties

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)] Mean Specific Heat Capacity [kJ/(kg*K)] Electric Conductivity [MS/m]
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Toughness Data (Impact)

Semi-finished Product Condition Condition Number Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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FKM Guideline Fatigue Strength

Condition Temperature [°C] Bending Fatigue Strength [MPa]
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Welding and Joining

Procedure Welding and Joining - Evaluation Added Materials
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Creep Rupture Behaviour

Condition Temperature [°C] Creep Tensile Strength at 10³ h [MPa] Creep Tensile Strength at 10^4 h [MPa] Creep Tensile Strength at 10^5 h [MPa] 1% Creep Limit at 10³ h [MPa] 1% Creep Limit at 10^4 h [MPa] 1% Creep Limit at 10^5 h [MPa]
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Heat Treatment

Heat Treatment Temperature [°C] Medium
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Formability - Bending - Folding

Semi-finished Product Condition Condition Number Nominal Size [mm] Specimen Direction Bend Factor (90°) Bend Factor (180°)
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Cross Reference

Material Name Country Standard
1.4544 Germany WL 1.4544-1
1.4544.9 Germany WL 1.4544-2
1.4544.7 Germany WL 1.4544-3
X8CrNiTi18-10 Germany DIN EN 3489
X8CrNiTi18-10 Europe EN 3489
FE-PA13 Europe AECMA 1)
Z 10 CNT 18-11 France AIR 9160 1)
S526 Great Britain BS S 526 1)
X 6 Cr Ni Ti 18.11 Italy UNI-UNAVIA 6937 1)
SAE 30321 USA AMS 5510 1)
321 USA AMS 5645 1)
AISI 321 USA MIL-S-6721 1)
321 USA MIL-T-8606 1)
321 USA AMS 5689 1)
321 USA AMS 5645 1)
Class 321 USA QQ-S-763 1)
Class 321 USA QQ-W-423 1)
X6CrNiTi18-9 Germany DIN 17440 1)
X6CrNiTi18-10 Europe EN 10088 1)
X6CrNiTi18-10 Europe EN 10095 1)
X 10 Cr Ni Ti 18 9 International ISO 1)
X 6 CrNiTi 18 11 Germany
X 10 CrNiTi 18 10
1) Source: WL 1.4544-1 : 1982-03

Producer/Supplier/Trade names

Tradename Supplier
X 18 PA AUBERT & DUVAL Deutschland GmbH, München 1)
Aerodur 4544 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten 1)
Alloy 321 Enpar Sonderwerkstoffe GmbH, Gummersbach 1)
1.4544/LW pauly STAHLHANDEL, Essen 1)
Puro 1.4544 Remystahl GmbH & Co. KG, Hagen 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] Bulk modulus [GPa] Shear 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 Mean stress [MPa] 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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Specific heat

Temperature [°C] Specific heat [kJ/(kg*K)]
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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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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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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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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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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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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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