Material Comparison

Compare verified engineering materials side by side with condition-specific mechanical properties.

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Material A (Baseline)

Heat Treatment / Temper Context:

Material B (Comparison)

Heat Treatment / Temper Context:

Temper & Metallurgical Context Qualification:The selected records contain different or missing source contexts. Values shown in separate rows are not directly matched. Typical and estimated values are not guaranteed minima; matching context alone does not establish interchangeability.

1. Identity, Classification & Standards

Parameter	Silver 835	Silver 800
Material Family	Silver & Silver Alloys	Silver & Silver Alloys
Subfamily	Alloyed Silver	Alloyed Silver
DIN Designation	2.3835	2.3800
ISO Designation	Ag835	Ag800
EN Designation	AgCu16.5	AgCu20
SPECIFICATION Designation	DIN 17510 Feinsilber und Silberlegierungen	DIN 17510 Feinsilber und Silberlegierungen
FR-MINERVE Designation	—	2nd Standard (800)

2. Chemical Composition Limits (wt %)Source-specific limits and typical values

Element	Silver 835	Silver 800
Ag (Silver)	≥ 83.5%	≥ 80%
Cu (Copper)	16 – 16.5%	19.5 – 20%

3. Physical Properties

Property	Silver 835	Silver 800
Density · TYPICAL · 20 °CUnit: g/cm³	10.22 g/cm³	10.15 g/cm³

4. Contextual Mechanical PropertiesUnit: SI

Mechanical Parameter	Silver 835Annealed (Soft)	Silver 800Annealed (Soft)
Modulus of Elasticity · TYPICALUnit: GPa	85 GPa	88 GPa
Yield Strength (0.2% Offset) · Strip & Wire · Annealed (Soft) · TYPICALUnit: MPa	≥ 180 MPa	≥ 200 MPa
Ultimate Tensile Strength · Strip & Wire · Annealed (Soft) · TYPICALUnit: MPa	≥ 280 MPa	≥ 300 MPa
Elongation at Break · Strip & Wire · Annealed (Soft) · TYPICALUnit: %	≥ 24 %	≥ 20 %

5. Electrical & Thermal Conductive Properties

Property	Silver 835	Silver 800
Electrical Conductivity · TYPICAL · 20 °CCategory: ELECTRICAL • Unit: % IACS	72 % IACS	68 % IACS
Electrical Resistivity · TYPICAL · 20 °CCategory: ELECTRICAL • Unit: nΩ·m	— nΩ·m	25.4 nΩ·m
Thermal Conductivity · TYPICAL · 20 °CCategory: THERMAL • Unit: W/(m·K)	380 W/(m·K)	365 W/(m·K)
Melting Range (Solidus-Liquidus) · RANGECategory: THERMAL • Unit: °C	779–830 °C	779–810 °C

6. Hardness Evaluation (Discrete Scales Preserved)No cross-scale mathematical conversion

Hardness Scale	Silver 835	Silver 800
HV Hardness · Annealed (Soft) · TYPICAL	82–98 HV	92–110 HV

7. Fabrication & Processing Comparison

Silver 835 Characteristics:

Machinability: Rated at approximately 55% relative to C36000. Good machinability with crisp edge retention; produces shorter curling chips.

Weldability: Brazed with standard Ag-Cu-Zn filler metals. Requires active fluxing to dissolve heavy copper oxidation.

Formability / Cold Working: Moderate cold ductility; can be punched and stamped with adequate punch clearances.

Heat Treatment & Annealing: Annealed at 550°C to 620°C for 20 minutes, followed by water quench. Rapidly age-hardens at 280°C to 300°C.

Silver 800 Characteristics:

Machinability: Rated at approximately 60% relative to C36000. Clean chip evacuation; excellent machinability among silver alloys due to two-phase Cu-rich eutectic structure.

Weldability: Brazed with low-melting silver-copper-phosphorus or silver-copper-zinc fillers; close proximity of melting range (779°C-810°C) requires precise temperature control during joining.

Formability / Cold Working: Lower cold ductility than high-fineness silvers; requires intermediate annealing for heavy reductions.

Heat Treatment & Annealing: Annealed at 550°C to 600°C for 20 minutes; significant age-hardening response reaching up to 185 HV.

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