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HC380LA | 1.0550 Material Datasheet

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Material Description

Material Number	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	Successor	VDA 231-106 classification
1.0550 (DIN EN 10268 : 2006-10)	1.0550	DIN EN 10268 : 2006-10	DIN EN 10268 : 2006-10 replaced by DIN EN 10268 : 2013-12	Replaced	Germany	H360LA	HC380LA	1.1	1)
1) Remark: HC380LA is a micro alloyed steel with a min. yield strength of 380 N/mm² and a min. elongation of 20 %. The material is well cold formable and has a good impact strength and fatigue strength. Thin sheets made of micro alloyed high-tensile steel allow for a steel thickness reduction and therewith a building weight reduction for special application purposes. Application: car manufacturing (reinforcements), construction trade, household appliances industry, plant construction etc. The material is suitable for metallization by hot-dip coating, application of electrolytic coatings and/or of organic or other coating. Welding: The material is suitable for: - MAG (metal-active-gas) - plasma welding - laser welding - compression weld welding - resistance welding (spot, roll weld, buckle welding) - arc hand welding

Chemical Composition

Al [%]	C [%]	Mn [%]	Nb [%]	P [%]	S [%]	Si [%]	Ti [%]
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Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A80 [%]
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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]	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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Cross Reference

Material Name	Country	Standard
HSLA 55	USA	ASTM A 1008

Producer/Supplier/Trade names

Tradename	Supplier
HSLA 380	ArcelorMittal Commercial Germany, Cologne
HC380LA	Salzgitter Flachstahl GmbH, Salzgitter
MHZ 380	ThyssenKrupp Steel Europe AG, Duisburg
HC380LA	voestalpine AG, Linz
HC380LA	Swiss Steel International GmbH, Düsseldorf
HC380LA	C.D. Wälzholz GmbH & Co. KG, Hagen
HC380LA	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
HC380LA	INTERSTAHL Service GmbH, Wetter
HC380LA	Salzgitter Mannesmann Stahlhandel GmbH, Düsseldorf
HC380LA	Ancofer Stahlhandel GmbH, Mülheim
HC380LA	pauly STAHLHANDEL, Essen

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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