Alloy H15N60
Designation
| Name |
The value |
| Designation GOST Cyrillic |
Х15Н60 |
| Designation GOST Latin |
X15H60 |
| Transliteration |
H15N60 |
| The chemical elements |
Cr15Ni60 |
Description
Alloy H15N60 used: for the manufacture of wire micron size; performance parts vnutrivakuumnyh appliances; connectors in electronic devices; nepretsizionnyh resistors; rolled strip 0.1−1.0 mm for the manufacture of heating elements and resistance elements; thin wire (0,10−0,40 mm) for the production of resistive elements; wire and strip for industrial electrical apparatus heating effect, rheostats, and appliances.
Note
Alloy with specified temperature coefficient of electrical resistance.
Standards
| Name |
Code |
Standards |
| Classification, nomenclature and general norms |
В30 |
GOST 10994-74 |
| Tapes |
В34 |
GOST 12766.2-90, GOST 12766.5-90, GOST 12766-67 |
| Steel alloy wire |
В73 |
GOST 8803-89, GOST 12766.1-90, TU 14-1-4927-90, TU 14-4-4927-90, TU 14-131-820-90 |
| Wire of non-ferrous metals and their alloys |
В74 |
OST 4Г 0.022.004-69, OST 4Г 0.022.005-69 |
| Sectional and shaped rolling |
В32 |
TU 14-1-3744-84, TU 14-11-245-88 |
| Bulls. Blanks. Slabs |
В31 |
TU 14-1-3904-84 |
| Sheets and stripes |
В33 |
TU 14-1-4327-87 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Al |
Ti |
Zr |
| GOST 10994-74 |
≤0.15 |
≤0.02 |
≤0.03 |
≤1.5 |
15-18 |
0.8-1.5 |
55-61 |
The rest |
≤0.2 |
≤0.3 |
- |
| GOST 12766-67 |
≤0.15 |
≤0.02 |
≤0.03 |
≤1.5 |
15-18 |
0.4-1.5 |
55-61 |
The rest |
≤0.2 |
≤0.3 |
≤0.5 |
Ni is the basis.
According to GOST 12766-67 the chemical composition is given for the alloy grade Kh15N60. The presence in the alloy of residual rare-earth elements, as well as barium and calcium, is not a defective feature. In the alloy intended for the production of micron-sized wires, the aluminum content should be no more than 0.150% and titanium not more than 0.050%. In the alloy intended for the manufacture of wire for enameling, the titanium content should not be more than 0.10%.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
d |
y, % |
Brinell hardness number, MPa |
| Cold-rolled steel strip of 0.2-3.2 mm in the delivery state according to GOST 12766.2-90 |
|
- |
≤834 |
≥20 |
- |
- |
140-150 |
| The mechanical properties of the alloy at short-term burst tests according to GOST 12766-67. Quenching in water from 950 °C (20 minute exposure) |
| - |
≥265 |
≥647 |
- |
≥31.9 |
≥59.8 |
- |
| The thinnest wire for resistive elements in the delivery state according to GOST 8803-89 |
| 0.1-0.4 |
- |
600-660 |
- |
- |
- |
- |
| The mechanical properties of the alloy at short-term burst tests according to GOST 12766-67. Quenching in water from 950 °C (20 minute exposure) |
| - |
≥255 |
≥405 |
- |
≥22.5 |
≥40.2 |
- |
| Wire cold-drawn heat-treated in the delivery condition according to GOST 12766.1-90 (the value is δ200) |
|
- |
≤880 |
- |
≥20 |
- |
- |
| The mechanical properties of the alloy at short-term burst tests according to GOST 12766-67. Quenching in water from 950 °C (20 minute exposure) |
| - |
≥225 |
≥286 |
- |
≥30 |
≥52.4 |
- |
| - |
≥127 |
≥168 |
- |
≥33.3 |
≥50.5 |
- |
| - |
- |
≥104 |
- |
≥24.3 |
≥44.6 |
- |
| - |
- |
≥58.86 |
- |
≥35.8 |
≥43.8 |
- |
| - |
- |
≥38.26 |
- |
≥20.2 |
≥34.1 |
- |
| - |
- |
≥28.45 |
- |
≥17 |
≥32.9 |
- |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| d |
Elongation after rupture |
| y |
The relative narrowing |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
R, НОм · м |
a, 10-6 1/°С |
С, Дж/(кг · °С) |
| 20 |
218 |
8200 |
1050-1180 |
- |
460 |
| 1000 |
- |
- |
- |
163 |
- |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
| С |
Specific heat |
Technological properties
| Name |
The value |
| Microstructure |
Austenitic structure. |
| Features of heat treatment |
Of cold-rolled tape after a special heat treatment have a temperature coefficient of electrical resistance in the temperature range from minus 60 to plus 100 °C of about 1.5·10-4 °C-1. After heat treatment of cold drawn wire mode: holding at 850 °C 30 min., cooling with the furnace to 150 °C, 48 h exposure, the value of temperature coefficient of electrical resistance of the AU in the temperature range from 20 to 100 °C is equal to 1,3·10-4 1/°C. |
| Magnetic properties |
Non-magnetic alloy. |
| Окалиностойкость, heat resistance |
Onlinetony alloy in an oxidizing atmosphere, hydrogen, vacuum; unstable in an atmosphere containing sulfur and sulfur compounds; more heat resistant than khro-melaminovye alloys. |
| Operating temperature |
The working temperature of heating element: Optimal 950 °C, maximum 1000 °C. |
