Alloy KHN75MBTJU (ЭИ602)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ХН75МБТЮ |
| Designation GOST Latin |
XH75MBTJu |
| Transliteration |
HN75MBTYu |
| The chemical elements |
CrNi75CuBeTeAl |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ602 |
| Designation GOST Latin |
EI602 |
| Transliteration |
EhI602 |
| The chemical elements |
- |
Description
Alloy KHN75MBTJU used: for the manufacture of cold-rolled strip; sheet metal parts of turbines parts of gas pipeline systems, instruments, parts of combustion chambers with a limited service life at temperatures up to +950 °C; the welding wire used for welding parts and welding of steel structures in energy engineering; welding electrodes.
Note
Alloy, heat-resistant and heat-resistant Nickel-based.
The recommended maximum operating temperature for limited time +1050 °C, for a long time +950 °C.
Temperature intense scaling in air +1050−1100 °C.
Standards
| Name |
Code |
Standards |
| Sheets and stripes |
В23 |
GOST 19904-90 |
| Sheets and stripes |
В33 |
GOST 24982-81, TU 14-1-1130-74, TU 14-1-146-71, TU 14-1-1747-76, TU 14-1-4296-87 |
| Classification, nomenclature and general norms |
В30 |
GOST 5632-72 |
| Metal forming. Forgings |
В03 |
OST 1 90110-73 |
| Bulls. Blanks. Slabs |
В31 |
OST 3-1686-90, TU 14-1-1214-75 |
| Sectional and shaped rolling |
В32 |
TU 14-1-3721-84, TU 14-11-245-88 |
| Tapes |
В34 |
TU 14-1-927-74 |
| Welding and cutting of metals. Soldering, riveting |
В05 |
TU 14-1-997-74, TU 14-1-997-2012 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Al |
Ti |
Mo |
Nb |
| TU 14-1-1747-76 |
≤0.1 |
≤0.012 |
≤0.02 |
≤0.4 |
19-22 |
≤0.8 |
The rest |
≤3 |
≤0.07 |
0.35-0.75 |
0.35-0.75 |
1.8-2.3 |
0.9-1.3 |
| TU 14-1-4296-87 |
≤0.1 |
≤0.012 |
≤0.02 |
≤0.4 |
19-22 |
≤0.8 |
The rest |
≤3 |
≤0.3 |
0.35-0.75 |
0.35-0.75 |
1.8-2.3 |
0.9-1.3 |
| GOST 5632-72 |
≤0.1 |
≤0.012 |
≤0.02 |
≤0.4 |
19-22 |
≤0.8 |
The rest |
≤3 |
≤0.3 |
0.35-0.75 |
0.35-0.75 |
1.8-2.3 |
0.9-1.3 |
Ni is the basis.
According to TU 14-1-927-74 deoxidizers (cerium, calcium, barium) are introduced into the metal by calculation and chemical analysis is not determined.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
| Cold-rolled steel strip of 0.2-1.2 mm on the other 14-1-927-74. Quenching in water or air from 1050-1080 °C |
| - |
- |
≤932 |
≥40 |
- |
| Steel cold-rolled sheet (0.8 to 3.9 mm) and HR (2.0 to 11.0 mm) in the delivery state according to GOST 24982-81. Quenching in water, under a water shower or air 1060-1100 ° |
| ≤3.9 |
- |
≤900 |
≥40 |
- |
| ≤3.9 |
- |
≥245 |
≥45 |
- |
| 4-11 |
- |
≥245 |
≥40 |
- |
| 4-11 |
- |
≤930 |
≥40 |
- |
| Rolled steel. Annealing in air from 1050-1080 °C |
| 60 |
≥400 |
≥860 |
≥43 |
≥37 |
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 |
| y |
The relative narrowing |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
l, Вт/(м · °С) |
a, 10-6 1/°С |
| 20 |
190 |
8300 |
- |
- |
| 400 |
165 |
- |
185 |
15 |
| 500 |
163 |
- |
202 |
158 |
| 600 |
150 |
- |
223 |
165 |
| 700 |
137 |
- |
244 |
181 |
| 100 |
- |
- |
1345 |
124 |
| 200 |
- |
- |
153 |
134 |
| 300 |
- |
- |
167 |
142 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
Technological properties
| Name |
The value |
| Weldability |
without restrictions |
