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G15NiCrMo10-6 | 1.6786 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country VDA 231-106 classification
1.6786 (WL 1.6786 : 2006-12) G15NiCrMo10-6 1.6786 WL 1.6786 : 2006-12 Supersedes WL 1.6786 : 1997-06 Valid Germany 1.1.1 1)
1) Remark: Weldable quenched and tempered cast steel for vessels of the German Navy.

Chemical Composition

Al [%] As [%] C [%] Cr [%] Cu [%] Mn [%] Mo [%] N [%] Ni [%] P [%] S [%] Sb [%] Si [%] Sn [%] Ti [%] V [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Condition Number Nominal Size [mm] Temperature [°C] Yield Strength (0.2% offset) [MPa] Elongation A [%] Reduction of Area [%] Hardness HB | HBW Yield Strength Ratio
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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 Temperature [°C] Specimen Shape Notch Impact Energy [J]
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FKM Guideline Fatigue Strength

Condition Condition Number Stress Ratio Number of Cycles Fatigue Strength under pulsating Tensile Stresses [MPa]
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Welding and Joining

Procedure Welding and Joining - Evaluation Preheating [°C] Added Materials
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Heat Treatment

Heat Treatment Step Temperature [°C] Holding Time [h] Medium
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Cross Reference

Material Name Country Standard
GL-M550G Germany Germanischer Lloyd
VL-M550G Europe DNV GL 1)
HY80 USA MIL-S-23008 2)
J42015 USA UNS 2)
1.6786.5 Germany BWB WL 1.6786
1) Source: DNVGL-RU-NAVAL-Pt2Ch5, 12/2015
2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

Producer/Supplier/Trade names

Tradename Supplier
1.6786 pauly STAHLHANDEL, Essen
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