Alloy KHN60VT (ЭИ868; ВЖ98)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ХН60ВТ |
| Designation GOST Latin |
XH60BT |
| Transliteration |
HN60VT |
| The chemical elements |
CrNi60ВTe |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ868 |
| Designation GOST Latin |
EI868 |
| Transliteration |
EhI868 |
| The chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
ВЖ98 |
| Designation GOST Latin |
BZh98 |
| Transliteration |
VG98 |
| The chemical elements |
ВFe98 |
Description
Alloy KHN60VT used: for the manufacture of cold rolled strips; hot rolled and forged bars; sheet metal parts of engines and turbines, operating at temperatures up to +1000 °C; welded non-profiled and profiled rings of hot rolled and extruded sections; 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 a long time +1000 °C. the Temperature of intensive scaling in air +1100 °C.
Standards
| Name |
Code |
Standards |
| Sheets and stripes |
В23 |
GOST 19904-90 |
| Classification, nomenclature and general norms |
В30 |
GOST 5632-72 |
| Metal forming. Forgings |
В03 |
OST 1 90110-73, TU 14-1-1530-75, ST ЦКБА 010-2004 |
| Bulls. Blanks. Slabs |
В31 |
OST 3-1686-90, OST 1 90234-92, OST 1 90375-87, OST 1 90399-91, TU 14-1-1214-75, TU 1-6-800-85 |
| Thermal and thermochemical treatment of metals |
В04 |
ST ЦКБА 016-2005 |
| Sectional and shaped rolling |
В32 |
TU 1-6-758-75, TU 14-11-245-88, TU 14-1-2287-77, TU 14-1-286-98 |
| Sheets and stripes |
В33 |
TU 14-1-146-71, TU 14-1-1494-75, TU 14-1-1747-76, TU 14-1-4296-87 |
| Bars |
В55 |
TU 14-1-3148-81 |
| 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 |
| Pipes steel and connecting parts to them |
В62 |
TU 14-3-571-77 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Al |
Ti |
Mo |
Ca |
W |
| TU 14-1-927-74 |
≤0.1 |
≤0.013 |
≤0.013 |
≤0.5 |
23.5-26.5 |
≤0.8 |
The rest |
≤4 |
≤0.07 |
≤0.5 |
0.3-0.7 |
≤1.5 |
- |
13-16 |
| TU 14-1-4296-87 |
≤0.1 |
≤0.013 |
≤0.013 |
≤0.5 |
23.5-26.5 |
≤0.8 |
The rest |
≤4 |
≤0.3 |
≤0.5 |
0.3-0.7 |
≤1.5 |
≤0.05 |
13-16 |
| TU 14-1-286-98 |
≤0.1 |
≤0.013 |
≤0.013 |
≤0.5 |
23.5-26.5 |
≤0.8 |
The rest |
≤4 |
- |
≤0.5 |
0.3-0.7 |
≤1.5 |
- |
13-16 |
| TU 14-1-1747-76 |
≤0.1 |
≤0.013 |
≤0.013 |
≤0.5 |
23.5-26.5 |
≤0.8 |
The rest |
≤4 |
≤0.07 |
≤0.5 |
0.3-0.7 |
≤1.5 |
≤0.05 |
13-16 |
| GOST 5632-72 |
≤0.1 |
≤0.013 |
≤0.013 |
≤0.5 |
23.5-26.5 |
≤0.8 |
The rest |
≤4 |
≤0.3 |
≤0.5 |
0.3-0.7 |
≤1.5 |
- |
13-16 |
Ni is the basis.
According to TU 14-1-1747-76, the chemical composition is given for steel grades ХН60ВТ, ХН60ВТ-ВД, ХН60ВТ-Ш.
According to TU 14-1-286-98, calcium (Ca) in the amount of ≤ 0.050% is calculated into metal with open melting and plasma-arc remelting by calculation and chemical analysis is not determined.
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, % |
kJ/m2, кДж/м2 |
Brinell hardness number, MPa |
| Blank pieces of pipe fittings and welded assemblies at ST CKBA 016-2005. Quenching in water or air with 1190-1210 °C (exposure 2 hours) + Aging at 790-810 °C (exposure for 10 h), air cooling |
| ≤100 |
≥343 |
≥686 |
≥20 |
≥30 |
≥686 |
190-250 |
| Steel hot-rolled sheet (4-11 mm). Quenching in water, in air or under water shower with 1150-1200 °C |
|
- |
≤980 |
≥40 |
- |
- |
- |
| Annealing in air from 1200 °C |
| ≥4 |
- |
≥750 |
≥40 |
- |
- |
- |
| Steel hot-rolled sheet (4-11 mm). Quenching in water, in air or under water shower with 1150-1200 °C |
|
- |
≥200 |
≥40 |
- |
- |
- |
| Annealing in air from 1200 °C |
| ≤25 |
≥300 |
≥750 |
≥45 |
≥52 |
- |
- |
| Steel cold-rolled sheet (0.8 to 3.9 mm) as supplied |
| - |
- |
≤1030 |
≥40 |
- |
- |
- |
| Ring welded alloy grades KHN60VT, KHN60VT-VD at OST 1 90234-92. Hardening in air, 1130-1160 °C |
|
- |
≥735 |
≥35 |
- |
- |
- |
| Steel cold-rolled sheet (0.8 to 3.9 mm) as supplied |
| - |
- |
≥180 |
≥30 |
- |
- |
- |
| Ring welded alloy grades KHN60VT, KHN60VT-VD at OST 1 90234-92. Hardening in air, 1130-1160 °C |
|
- |
≥657 |
≥17 |
- |
- |
- |
| Bars and rods, hot-rolled (round) and iron (round and square) on the other 14-1-286-98. Heating for 0.5-1.0 hour at 1150-1200 °C, air cooling |
| - |
- |
≥215.6 |
≥45 |
≥50 |
- |
- |
| Ring welded at OST 1 90375-87. Hardening in air, 1120-1160 °C |
|
- |
≥735 |
≥35 |
- |
- |
- |
|
- |
≥665 |
≥22 |
- |
- |
- |
| Cold-rolled steel strip of 0.2-1.2 mm on the other 14-1-927-74. Quenching in water or air from 1150-1200 °C |
|
- |
≤981 |
≥35 |
- |
- |
- |
| Tape. Hardening in air, 1150-1170 °C |
|
- |
≥700 |
≥30 |
- |
- |
- |
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 |
| kJ/m2 |
Toughness |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
l, Вт/(м · °С) |
a, 10-6 1/°С |
С, Дж/(кг · °С) |
| 20 |
190 |
8800 |
296 |
- |
- |
| 700 |
139 |
- |
234 |
156 |
540 |
| 800 |
112 |
- |
255 |
16 |
570 |
| 900 |
81 |
- |
28 |
162 |
590 |
| 1000 |
50 |
- |
- |
168 |
- |
| 100 |
- |
- |
105 |
127 |
440 |
| 200 |
- |
- |
117 |
132 |
460 |
| 300 |
- |
- |
138 |
136 |
480 |
| 400 |
- |
- |
163 |
141 |
500 |
| 500 |
- |
- |
188 |
145 |
520 |
| 600 |
- |
- |
213 |
151 |
540 |
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 |
The alloy is welded without restrictions. The welding in the hardened state. Welded Assembly shall be subjected to aging. |
