St 44-2 | 1.0044 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

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Material Description

Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country	Successor	Remark	Application temperature [°C]
1.0044 (DIN 2394-2 : 1994-09)	1.0044	DIN 2394-2 : 1994-09	DIN 2394-2 : 1994-09 replaced by DIN EN 10305-3 : 2003-02	Replaced	Germany	E275	Welded precision steel tubes made from St 44-2 are used for thin-walled precision constructional elements with a good surface condition.	≤ 120

Chemical Composition

C [%]	Mn [%]	P [%]	S [%]	Si [%]	Source	Remark
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Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength [MPa]	Elongation A [%]	Source	Remark
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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)]	Source	Remark
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Young's Modulus [GPa] vs Temperature [°C]

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Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]

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Differential Coefficient of Thermal Expansion [10^-6*K^-1] vs Temperature [°C]

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Cross Reference

Material Name	Country	Standard
Ts 42-a	France	NFA 49-643
CEW4	Great Britain	BS 6323
R 44 BK	International	ISO 3305
STKM 19 C	Japan	JIS 3445
SIS 2142-04	Sweden	MNC 811E
MT 1015 SR	USA	ASTM A 512
St 44-2	Germany

Producer/Supplier/Trade names

Tradename	Supplier
E275	Salzgitter Mannesmann Präzisrohr GmbH, Hamm
E275	Vallourec Deutschland GmbH, Düsseldorf
E275	Salzgitter Mannesmann Präzisrohr GmbH, Hamm
E275	Benteler Steel/Tube GmbH, Paderborn

Material Compliance

REACh	RoHS
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St 44-2 (1.0044; DIN 2394-2 : 1994-09)

Linear-elastic

Temperature [°C]	Young's modulus [GPa]	Poisson's ratio
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Alternating stress

Temperature [°C]	Stress ratio	Alternating stress [MPa]	Cycles
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Yield strength

Temperature [°C]	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	Source description
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Designation

Designation	Material number	Source
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St 44-2 (sheet; 4mm; fracture)

Strain life

Temperature [°C]	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

Semi-finished product	Dimension [mm]	Failure criteria	Source description
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St 44-2 (sheet; 5mm; fracture)

Strain life

Temperature [°C]	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

Semi-finished product	Dimension [mm]	Failure criteria	Source description
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St 44-2 (normalized or normalized formed (+N); tube; 0.700-7.000mm)

Yield strength

Temperature [°C]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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St 44-2 (welded and cold sized; tube; 0.700-7.000mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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St 44-2 (soft annealed (+A); tube; 0.700-7.000mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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St 44-2 | 1.0044 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

Material Description

Chemical Composition

Mechanical Properties

Physical Properties

Young's Modulus [GPa] vs Temperature [°C]

Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]

Differential Coefficient of Thermal Expansion [10^-6*K^-1] vs Temperature [°C]

Cross Reference

Producer/Supplier/Trade names

Material Compliance

St 44-2 (1.0044; DIN 2394-2 : 1994-09)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

St 44-2 (sheet; 4mm; fracture)

Strain life

Classification

St 44-2 (sheet; 5mm; fracture)

Strain life

Classification

St 44-2 (normalized or normalized formed (+N); tube; 0.700-7.000mm)

Yield strength

Tensile strength

Classification

St 44-2 (welded and cold sized; tube; 0.700-7.000mm)

Tensile strength

Classification

St 44-2 (soft annealed (+A); tube; 0.700-7.000mm)

Tensile strength

Classification

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