DIN 1725-1 Grade 3.1255 T6

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Description

DIN 3.1255 is an alloy with strength, machinability and welding capabilities, Aluminum Alloy DIN 3.1255 is an excellent option. It is a precipitation hardening alloy that maintains strength after heat treatment.

Related Standards

Equivalent Materials

This material data has been provided by WIAM,AluKey.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

Property	Temperature	Value	Condition	Related Standards	Shape
Density		2.8 g/cm³ Show Material materials with Density of 2.8 g/cm³	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
	20.0 °C	2.8 g/cm³ Show Material materials with Density of 2.8 g/cm³	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging

Mechanical

Property	Temperature	Value	Condition	Related Standards	Shape	Comment
Bending Fatigue Strength		145.0 MPa Show Material materials with Bending Fatigue Strength of 145.0 MPa	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
Bending angle 90°		5.0 °/t Show Material materials with Bending angle 90° of 5.0 °/t	T6	EN 573-3, EN 485
		7.0 °/t Show Material materials with Bending angle 90° of 7.0 °/t	T6	EN 573-3, EN 485
		10.0 °/t Show Material materials with Bending angle 90° of 10.0 °/t	T6	EN 573-3, EN 485
Elastic modulus		73.0 GPa Show Material materials with Elastic modulus of 73.0 GPa	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
	20.0 °C	72.0 GPa Show Material materials with Elastic modulus of 72.0 GPa	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
Elongation		2.0 % Show Material materials with Elongation of 2.0 %	T6	EN 573-3, EN 485		A100
		3.0 % Show Material materials with Elongation of 3.0 %	T6	EN 573-3, EN 586		A100
		4.0 % Show Material materials with Elongation of 4.0 %	T6	EN 573-3, EN 485		A100
		4.0 % Show Material materials with Elongation of 4.0 %	T6	EN 573-3, EN 755		A50
		5.0 % Show Material materials with Elongation of 5.0 %	T6	EN 573-3, EN 485, EN 755		A100
		5.0 % Show Material materials with Elongation of 5.0 %	T6	EN 573-3, EN 755		A50
		6.0 % Show Material materials with Elongation of 6.0 %	T6	EN 573-3, EN 485, EN 755		A100
		6.0 % Show Material materials with Elongation of 6.0 %	T6	EN 573-3, EN 485, EN 754		A50
		7.0 % Show Material materials with Elongation of 7.0 %	T6	EN 573-3, EN 755		A100
		7.0 % Show Material materials with Elongation of 7.0 %	T6	EN 573-3, EN 485		A50
		8.0 % Show Material materials with Elongation of 8.0 %	T6	EN 573-3, EN 754		A100
	20.0 °C	2.0 % Show Material materials with Elongation of 2.0 %	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	20.0 °C	3.0 % Show Material materials with Elongation of 3.0 %	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	20.0 °C	4.0 % Show Material materials with Elongation of 4.0 %	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	20.0 °C	6.0 % Show Material materials with Elongation of 6.0 %	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	20.0 °C	7.0 % Show Material materials with Elongation of 7.0 %	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	20.0 °C	8.0 % Show Material materials with Elongation of 8.0 %	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
Hardness, Brinell		123.0 [-] Show Material materials with Hardness, Brinell of 123.0 [-]	T6	EN 573-3, EN 485
		125.0 [-] Show Material materials with Hardness, Brinell of 125.0 [-]	T6	EN 573-3, EN 586
		126.0 [-] Show Material materials with Hardness, Brinell of 126.0 [-]	T6	EN 573-3, EN 485
		131.0 [-] Show Material materials with Hardness, Brinell of 131.0 [-]	T6	EN 573-3, EN 485
		133.0 [-] Show Material materials with Hardness, Brinell of 133.0 [-]	T6	EN 573-3, EN 485
		135.0 [-] Show Material materials with Hardness, Brinell of 135.0 [-]	T6	EN 573-3, EN 485
		138.0 [-] Show Material materials with Hardness, Brinell of 138.0 [-]	T6	EN 573-3, EN 485
	20.0 °C	120.0 [-] Show Material materials with Hardness, Brinell of 120.0 [-]	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
Plane-Strain Fracture Toughnes		22.0 - 35.0 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 22.0 - 35.0 MPa·√m				Typical for Wrought 2000 Series Aluminium
Poisson's ratio		0.33 [-] Show Material materials with Poisson's ratio of 0.33 [-]				Typical for Wrought 2000 Series Aluminium
Shear modulus		27.4 GPa Show Material materials with Shear modulus of 27.4 GPa	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
Tensile strength		390.0 MPa Show Material materials with Tensile strength of 390.0 MPa	T6	EN 573-3, EN 485
		410.0 MPa Show Material materials with Tensile strength of 410.0 MPa	T6	EN 573-3, EN 485
		415.0 MPa Show Material materials with Tensile strength of 415.0 MPa	T6	EN 573-3, EN 755
		420.0 MPa Show Material materials with Tensile strength of 420.0 MPa	T6	EN 573-3, EN 485, EN 755
		430.0 MPa Show Material materials with Tensile strength of 430.0 MPa	T6	EN 573-3, EN 586, EN 755
		435.0 MPa Show Material materials with Tensile strength of 435.0 MPa	T6	EN 573-3, EN 485
		440.0 MPa Show Material materials with Tensile strength of 440.0 MPa	T6	EN 573-3, EN 485
		450.0 MPa Show Material materials with Tensile strength of 450.0 MPa	T6	EN 573-3, EN 485, EN 754, EN 755
		460.0 MPa Show Material materials with Tensile strength of 460.0 MPa	T6	EN 573-3, EN 485, EN 755
		465.0 MPa Show Material materials with Tensile strength of 465.0 MPa	T6	EN 573-3, EN 755
	20.0 °C	400.0 MPa Show Material materials with Tensile strength of 400.0 MPa	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	20.0 °C	410.0 MPa Show Material materials with Tensile strength of 410.0 MPa	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	20.0 °C	420.0 MPa Show Material materials with Tensile strength of 420.0 MPa	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	20.0 °C	430.0 MPa Show Material materials with Tensile strength of 430.0 MPa	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	20.0 °C	440.0 MPa Show Material materials with Tensile strength of 440.0 MPa	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging

Thermal

Property	Temperature	Value	Condition	Related Standards	Shape	Comment
Coefficient of thermal expansion	-50 °C	2.1e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.1e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	-50.0 °C	2.1e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.1e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	20 °C	2.1e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.1e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	20 °C	2.28e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.28e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	20 °C	2.3e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.3e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
	20 °C	2.36e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.36e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	20 °C	2.46e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.46e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	100 °C	2.28e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.28e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	100.0 °C	2.28e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.28e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	100 °C	2.3e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.3e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
	200 °C	2.36e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.36e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	200.0 °C	2.36e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.36e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	300 °C	2.46e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.46e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
	300.0 °C	2.46e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.46e-05 1/K	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755, DIN 1725-1, EN 573-4	Forging
Melting point		505.0 - 635.0 °C Show Material materials with Melting point of 505.0 - 635.0 °C	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
		510.0 - 640.0 °C Show Material materials with Melting point of 510.0 - 640.0 °C	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
Specific heat capacity		816.0 - 963.0 J/(kg·K) Show Material materials with Specific heat capacity of 816.0 - 963.0 J/(kg·K)				Typical for Wrought 2000 Series Aluminium
Thermal conductivity		134.0 - 193.0 W/(m·K) Show Material materials with Thermal conductivity of 134.0 - 193.0 W/(m·K)	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
	20.0 °C	140.0 - 200.0 W/(m·K) Show Material materials with Thermal conductivity of 140.0 - 200.0 W/(m·K)	T6	DIN 1725-1, EN 573-3, EN 573-4, EN 485, EN 586, EN 754, EN 755	Forging

Electrical

Property	Temperature	Value	Condition	Related Standards	Shape
Electrical conductivity		21000000.0 - 24000000.0 S/m Show Material materials with Electrical conductivity of 21000000.0 - 24000000.0 S/m	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
	20.0 °C	20000000.0 - 29000000.0 S/m Show Material materials with Electrical conductivity of 20000000.0 - 29000000.0 S/m	T6	DIN 1725-1, EN 573-3, EN 573-4, EN 485, EN 586, EN 754, EN 755	Forging
Electrical resistivity		3.45e-08 - 5e-08 Ω·m Show Material materials with Electrical resistivity of 3.45e-08 - 5e-08 Ω·m	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
		4.17e-08 - 4.76e-08 Ω·m Show Material materials with Electrical resistivity of 4.17e-08 - 4.76e-08 Ω·m	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755

Chemical properties

Property	Value	Condition	Related Standards	Shape
Chromium	0.1 % Show Material materials with Chromium of 0.1 %	T6	DIN 1725-1, EN 573-3, EN 573-4, EN 485, EN 586, EN 754, EN 755	Forging
Copper	3.9 - 5.0 % Show Material materials with Copper of 3.9 - 5.0 %	T6	DIN 1725-1, EN 573-3, EN 573-4, EN 485, EN 586, EN 754, EN 755	Forging
Iron	0.7 % Show Material materials with Iron of 0.7 %	T6	DIN 1725-1, EN 573-3, EN 573-4	Forging
	0.70 % Show Material materials with Iron of 0.70 %	T6	EN 573-3, EN 485, EN 586, EN 754, EN 755
Magnesium	0.2 - 0.8 % Show Material materials with Magnesium of 0.2 - 0.8 %	T6	DIN 1725-1, EN 573-3, EN 573-4, EN 485, EN 586, EN 754, EN 755	Forging
Manganese	0.4 - 1.2 % Show Material materials with Manganese of 0.4 - 1.2 %	T6	DIN 1725-1, EN 573-3, EN 573-4, EN 485, EN 586, EN 754, EN 755	Forging
Silicon	0.5 - 1.2 % Show Material materials with Silicon of 0.5 - 1.2 %	T6	DIN 1725-1, EN 573-3, EN 573-4, EN 485, EN 586, EN 754, EN 755	Forging
Titanium	0.15 % Show Material materials with Titanium of 0.15 %	T6	DIN 1725-1, EN 573-3, EN 573-4, EN 485, EN 586, EN 754, EN 755	Forging
Zinc	0.25 % Show Material materials with Zinc of 0.25 %	T6	DIN 1725-1, EN 573-3, EN 573-4, EN 485, EN 586, EN 754, EN 755	Forging

Technological properties

Property
Anodizing	decorative: not suitable, Protective: acceptable
Brazing	hard brazing (with flux/ without flux): not suitable / not suitable, friction soldering: acceptable, soft brazing with flux: not suitable
Corrosion properties	Seawater: sufficient, weathering: acceptable
Workability	Bending / Spinning (cold): gut (O) / ungeeignet, Impact extrusion (cold): not suitable, Deep drawing / upsetting (Condition) acceptable (O) / not suitable

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