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St 44-2 | 1.0044 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Standard Status Country Application temperature [°C]
1.0044 (DIN 2395-3 : 1981-08) 1.0044 DIN 2395-3 : 1981-08 Withdrawn without replacement Germany ≤ 120 1)
1) Remark: Rectangular and square welded precision tubes made from USt 37-2 are manufactured by cold forming and electrical resistance welding. Application: automotive engineering

Chemical Composition

C [%] N [%] P [%] S [%]
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Mechanical Properties

Semi-finished Product Condition Temperature [°C] Tensile Strength [MPa] Yield Strength [MPa] Elongation A [%]
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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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Producer/Supplier/Trade names

Tradename Supplier
St 44-2 HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
St 44-2 Klöckner & Co SE, Duisburg

Material Compliance

REACh RoHS
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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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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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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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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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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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Density

Temperature [°C] Density [g/cm³]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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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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Designation

Designation Material number Source
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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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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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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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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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