The Alloy PDV-20 (PDV 80-20)

Designation

Name The value
Designation GOST Cyrillic ПдВ-20
Designation GOST Latin PdB-20
Transliteration PdV-20
By chemical elements PdВ-20
Name The value
Designation GOST Cyrillic ПдВ 80-20
Designation GOST Latin PdB 80-20
Transliteration PdV 80-20
By chemical elements PdВ 80-20

Description

The alloy PDV-20 is used: for production of wire, used as resistive material in electric and electronic industry with operating temperatures from minus 60 to plus 150 °C.

Note

Palladium-tungsten alloy.

Standards

Name Code Standards
Wire from nonferrous metals and their alloys В74 GOST 26469-85

Chemical composition

Standard Fe W Pd
GOST 26469-85 ≤0.1 18-20 80-82
Pd is the basis.
According to GOST 26469-85 the chemical composition is given for the alloy of the brand ПДВ-20. The total mass fraction of impurities (platinum, rhodium, iridium and gold) is not more than 0.20%.

Mechanical properties

Section, mm σU, MPa
Wire in the delivery state according to GOST 26469-85
≤0.1 765-1030
0.1 765-981
0.02-0.16 ≥1079

Description mechanical marks

Name Description
σU Limit short-term strength

Physical characteristics

Temperature R, Mr. · m
20 850-1100

A description of the physical symbols

Name Description
Е The normal elasticity modulus
l Coefficient of thermal conductivity

Technological properties

Name The value
Corrosion resistance The alloy is resistant to aggressive environments as well as precious metals.
Operating temperature Operating temperature from minus 60 to plus 150 °C.