Alloy KHN38VB (ЭИ703Б)

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