Designation
| Name |
The value |
| Designation GOST Cyrillic |
ХН38ВБ |
| Designation GOST Latin |
XH38BB |
| Transliteration |
HN38VB |
| By chemical elements |
CrNi38ВBe |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ703Б |
| Designation GOST Latin |
EI703B |
| Transliteration |
EhI703B |
| By chemical elements |
- |
Description
Alloy KHN38VB used: for the manufacture of parts for gas systems and sheet metal parts operating at moderate voltages.
Note
Heat-resistant and heat-resistant alloy of iron-Nickel basis.
The recommended maximum operating temperature for a long time +1000 °C.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В23 |
GOST 19904-90 |
| Sheets and strips |
В33 |
TU 14-1-1747-76 |
| Welding and cutting metals. Soldering, riveting |
В05 |
TU 14-1-997-2012 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Al |
Mo |
Nb |
W |
Ce |
| TU 14-1-1747-76 |
0.06-0.12 |
≤0.02 |
≤0.03 |
≤0.7 |
20-23 |
≤0.8 |
35-39 |
Rest |
≤0.5 |
≤0.8 |
1.2-1.7 |
2.8-3.5 |
≤0.05 |
Ni is the basis.
According to TU 14-1-1747-76, the chemical composition is given for steel grades ХН38ВБ (ЭИ703Б) and ХН38ВБ-ВД (ЭИ703Б-ВД).
Mechanical properties
| σU, MPa |
d5, % |
| Steel cold-rolled sheet (0.8 to 3.9 mm) as supplied on THAT 14-1-1747-76 |
| ≤830 |
≥35 |
| ≥190 |
≥40 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
