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Characteristics of precision alloys

Precision alloys include materials with a calibrated chemical composition and certain specified qualities. By their properties they are divided into the following groups:

— magnetically-rigid

— magnetically soft

— with given elasticity properties

— with a specified thermal coefficient of linear expansion

— superconducting

— Thermobimetals.

A short list of precision alloys

Notation Or Using GOST, TU
EP685 27KH Rotors, stators, electric motors, designed to work at high temperatures. Tapes, sheets, hot-rolled, rods. Has high induction of saturation 10160−75, 10994−74

29KN, 29NK-vi The coefficient of thermal expansion is similar to that of radio electronic equipment, tapes, sheets, wire, forged bars. 14082−78
EP475vi, silt 32NK, 32KN-VI Polished products of complex shape, measures of length, forged rods. Alloys with low or min TKLR 14−131−493−80, 14−1-4422−88
EI630A, superinvar 32KKD Details of precision instruments operating over a wide temperature range. Tapes, sheets, wire, forged rods. Alloys with low or min TKLR. 14082−78
Н33К17, ЭП139 33 CN Connection with mica, glass and ceramics. 14082−78
Invar 36H, 36H-vi Parts with constant dimensions over a wide range of temperatures. Tapes, sheets, wire, forged rods. Alloys with low or min TKLR. 10994−74, 14082−78
permalloy 36KNM, 36KMP Magnetic cores of control systems of electromagnets in sea water. They have high corrosion resistance. 10160−75, 10994−74
36НХТЮ-ви, ЭИ702, элинвар 36NXTU Details of instruments operated up to t 250 ° C. Tapes, sheets, wire, forged rods. Non-magnetic corrosion-resistant alloys. GOST 10994−74, 14119−85
EP51 36НХТЮ5М Details of instruments operated up to t 350 ° C. Tapes, sheets, wire, forged bars. Non-magnetic corrosion-resistant alloys.
EP52 36НХТЮ8М DDetali devices operated up to t 400 ° C. Tapes, sheets, wire, forged rods. Non-magnetic corrosion-resistant alloys

38KKD Alloys with medium and low TKLR, similar to sapphire, glass. Tapes, sheets, wire, forged rods. 14082−78, 10994−74
EI995 40KHNM Hourly springs, cylindrical coil springs, operating up to t ° 400 ° C, surgical instruments, cores of electrical measuring instruments ,. Ribbon, wire. Non-magnetic corrosion resistant alloys. 10994−74

40ХНЮ-ВИ Forged rods. Non-magnetic corrosion resistant alloys.
40H, 42H, H42, Feni 42H, 42H-vii Vacuum technology. Tapes, sheets, wire, forged rods. Alloys with an average TKLR value 14082−78

42NXTU Tapes, sheets, wire, forged rods. Alloys with a modulus of elasticity.

44NXTU Tapes, sheets, wire, forged rods. Alloys with a modulus of elasticity.

45H Tapes, sheets, wire, forged rods. Alloys with max magnetic permeability and saturation induction
EP218 45NHT Tapes, sheets, wire, forged rods. Alloys with a modulus of elasticity. For the production of electromechanical resonators. Devices. 14−1-3074−80

47ND Alloys from media. And min TKLR for soldering with soft glass, mica and ceramics. Tapes, sheets, wire, forged rods. 14082−78

47 НХР Wire, tape Alloys with medium. And min TKLR

49KF Pole tips, cores of solenoids and magnets. Tapes, sheets, wire, forged rods. Alloys from media. And min TKLR 10160−75, 10994−74
EP207, Permendur 49K2 °F, 49K2FA-VI Pole tips, cores of solenoids and magnets. Tapes, sheets, wire, forged rods. Alloys from media. And min TKLR 14−1-1185−75
50Н, ЭИ676, ЭИ467, permalloy 50H Magnetic-soft alloy for the cores of compact inter-lamp power transformers, chokes, relays. 10160−75
permalloy 50NP The cores of magnetic amplifiers, rectifiers, commuting chokes. Have a rectangular loop hysteresis. Cold rolled strips. 14−1-841−73
permalloy 50NHS Cores of pulse transformers. Tapes, sheets, wire, forged rods. Alloys with a maximum magnetic permeability and high ud. Resistance. 14−131−722−89

52H Tapes, sheets, wire. Alloys with medium and min TKLR.

56DGNH Forged rods. Non-magnetic alloys with given TKLRs
EP578, EP578-vi, permalloy 68НХВКТЮ, 68НХВКТЮ-ВИ Sensitive elastic elements operating at t ° -196 ° C + 500 ° C. Tapes, sheets, wire, forged rods. Non-magnetic corrosion-resistant alloys 14−1-4470−88
permalloy 79NM Magnetic-soft alloy for compact cores of transformers, chokes and relays. 10160−75

80NM Tapes, sheets, wire, forged rods. Alloys with max magnetic permeability of weak fields.

80НМВ-ВИ Ribbons, sheets. Non-magnetic alloys with given TKLRs
permalloy 80HXS Magnetic-soft alloy for the cores of magnetic heads. Tapes, sheets, wire, forged rods. Alloys with max magnetic permeability of weak fields. 10160−75

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