16NiCrMo12-6 | 1.6782 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country
1.6782 (WL 1.6782-1 : 2004-12) 1.6782 WL 1.6782-1 : 2004-12 Supersedes WL 1.6782-1 : 1976-10 Valid Germany 1)
1) Remark: Low-alloy, cold-tough quenched and tempered steel for German Navy ships (hulls). The steel is weldable to special specification and has very good through quenching and tempering properties.

Chemical Composition

C [%] Cr [%] Cu [%] Mn [%] Mo [%] Ni [%] P [%] S [%] Si [%] Ti [%] V [%]
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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] Elongation A [%] Reduction of Area [%] Hardness HB | HBW
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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)] Electric Conductivity [MS/m]
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Toughness Data (Impact)

Condition Condition Number Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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Heat Treatment

Heat Treatment Step Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
GL-M700 Germany Germanischer Lloyd
VL-M700 Europe DNV GL
HY100 USA MIL-S-16216 1)
K32045 USA UNS 1)
1.6782.4 Germany BWB WL 1.6782-1
1) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

Producer/Supplier/Trade names

Tradename Supplier
HY100 AG der Dillinger Hüttenwerke, Dillingen 1)
16NiCrMo12-6 HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach 1)
1.6782 Imet Industriemetall Handelsgesellschaft mbH, Hamburg 1)
HY 100 ThyssenKrupp Steel Europe AG, Duisburg 1)
1.6782 pauly STAHLHANDEL, Essen 1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Material Compliance

REACh RoHS
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FKM Guideline Fatigue Strength

Condition Condition Number Nominal Size [mm] Number of Cycles Bending Fatigue Strength [MPa]
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Hardenability (Jominy test)

Condition Front Distance [mm] Hardness HRC
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Fracture Toughness

Nominal Size [mm] Temperature [°C] Plane-Strain Fracture Toughness KIc [MPa*m^½]
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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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Coefficient thermal expansion

Related Temperature [°C] Temperature [°C] Coefficient thermal expansion [10^-6*K^-1]
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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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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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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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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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