Precision alloys
Equivalent
Precision alloys. Brief grade guide
| Name | Second name | Field of utilization | GOST, TR |
| 27KH | - | Stators, rotors of electric machines that are exploited at a normal and high temperature. Cold-working strips, hot-working plates, hot-rolled and hammered bars. Alloys with a high saturation induction. | 10 160−75, 10 994−74 |
| NiCo29−18 |
Kovar | Alloys that have a coefficient of thermal expansion, vacuum-tight junction point that operates with glasses of details of communications-electronics equipment, cold rolled strips, hot-working plates, wire, hot-working, hammered bars. Alloys with average and low TCLE. | 14 082−78 |
| 32NK | - | Work-down items, elements of irregular shape, length gages of dashed lines, hot-rolled, hammered bars. Metals with low and minimal TCLE. |
14−131−493−80, 14−1-4422−88 |
| 32NKD | Superinvar | Details of the highest precision that need a stability of measures in a temperature ratio. Cold working strips, hot-rolled plates, hot-rolled and hammered bars. Alloys with low and minimal TCLE. | 14 082−78 |
| Invar 36 |
Ni36 | Sheets, bars for elements with permanent sizes at sudden temperature variations. Cold working strips, hot-rolled plates, hot-rolled and hammered bars. Invar has a minamal TCLE. | 10 994−74, 14 082−78 |
| 36KNM, 36NKMP | Permalloy | Magnetic circuit of various controlling system of electromagnets and moorings in a sea water. Hot-working, hammered bars. Alloys with a high corrosion resistance. | 10 160−75, 10 994−74 |
| Elinvar |
- |
Details and transmitters operating at a temperature not exceeding 250 C. Cold-working strip, hot-rolled plates, wire, hot-working, hammered bars. Nonmagnetic, corrosion-resistant alloys. | GOST 10 994−74, 14 119−85 |
| Elinvar +5Mo |
- | Details and transmitters operating at a temperature not exceeding 350 C. Cold-working strip, hot-rolled plates, wire, hot-working, hammered bars. Nonmagnetic, corrosion-resistant alloys. | |
| Elinvar +8Mo | - | Details and transmitters operating at a temperature not exceeding 400 C. Cold-working strip, hot-rolled plates, wire, hot-rolled, hammered bars. Nonmagnetic, corrosion-resistant alloys. | |
| 38NKD | - | Vacuum-tight junction points with sapphire, glass. Cold rolled strips, hot-working plates, hot-working and hammered bars. Alloys with average and low TCLE. | 14 082−78, 10 994−74 |
| 40KHNM | - | Watch springs for winding devices and cylindrical helical springs, that are exploited at a temperature not more than 400° С, center punches for electrical measuring instruments, surgical instruments. Cold-rolled strip and wire. Nonmagnetic, corrosion-resistant alloys. | 10 994−74 |
| 40HNU |
- | Hot-working, hammered bars. Nonmagnetic, corrosion-resistant alloys. | |
| 40N, 42N, N42 | - | Vacuum-tube equipment. Cold-working strips, hot-rolled plates, hot-rolled, hammered bars. Alloys with average and low TCLE. | 14 082−78 |
| Ni-Span C902 | 42Ni-5.5Cr-2Ti-Al-Fe | Cold working strips, hot-working plates, hot-working and hammered bars. Metals with permanent and low module of elasticity. | |
| Ni-Span C902 | - | Cold rolled strips, hot-working plates, hot-rolled and hammered bars. Alloys with permanent and low module of elasticity. | |
| 45N | - | Cold-working strips, hot-working plates, hot-working and hammered bars. Alloys with a high magnetic inductivity, excessive saturation induction. | |
| 45NHT | - | Cold rolled strips, hot-working plates, hot-working, hammered bars. Metals with permanent and low module of elasticity. Manufacture of resonators of electromechanical systems. | 14 -3074−80 |
| 47ND | - | Soldering with a soft glass, for enclosed contact elements, for junction with mica and ceramic. Cold-working strips, hot-rolled plates, hot-working and hammered bars. Metals with average and low TCLE. | 14 082−78 |
| 47NHP | - | Wire, cold-rolled strips. Metals with average and low TCLE. | |
| 49KF | - | Pole tips, core pieces, magnets, magnet units. Cold-working strips, hot-working plates, hot-working, hammered bars. Alloys with average and low TCLE. | 10 160−75, 10 994−74 |
| 49K2F | Permendur | Pole tips, core pieces, magnets, magnet units. Cold rolled strips, hot-working plates, hot-working, hammered bars. Alloys with average and low TCLE. | 14 -1185−75 |
| NiFe50 | Permalloy | Soft-magnetic alloy. Magnet units, compact interstage power transformers, chokes, relays etc. | 10 160−75 |
| NiFe50 | Permalloy | Magnet units of transductors, rectifiers, commutating inductors. Metals that have rectangular hysteresis loop. Cold-rolled strips. | 14−1-841−73 |
| 50NHS | Permalloy | Magnet units of pulsing transformers. Cold-working strips, hot-working plates, hot-rolled, hammered bars. Metals with a high magnetic transmissivity and high specific real resistance. |
14−131−722−89 |
| 52N | - | Cold-rolled strips, hot-working sheets, wire. Alloys with average and low TCLE. | |
| 56DGNH | - | Hot-working, hammered bars. Nonmagnetic alloys with assigned TCLE. | |
| 68NHWKTJU, |
Permalloy | Sensitive elastic members that are exploited at a temperature of -196°С + 500 °C. Cold-working strips, hot-working plates, hot-rolled and hammered bars. Nonmagnetic, corrosion-resistant metals. | 14−1-4470−88 |
| 79NM | Permalloy | Soft-magnetic alloy for magnet units, compact inter-stage power transformers, chokes, relays etc. | 10 160−75 |
| 80NM | - | Cold rolled strips, hot-working sheets, hot-working and hammered bars. Alloys with the highest permeability of low fields. | |
| 80NMW |
- | Cold-working strips and sheets. Nonmagnetic metals with assigned TCLE. | |
| 80NHS | Permalloy | Soft-magnetic metals for magnet units of magnetic heads. Cold working strips, hot-working plates, hot-rolled and hammered bars. Alloys with the highest permeability of low fields. | 10 160−75 |
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