Alloy 36NICRTIAL (ЭИ702)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
36НХТЮ |
| Designation GOST Latin |
36HXTJu |
| Transliteration |
36NHTYu |
| The chemical elements |
36NiCrTeAl |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ702 |
| Designation GOST Latin |
EI702 |
| Transliteration |
EhI702 |
| The chemical elements |
- |
Description
Alloy 36NICRTIAL used: for the manufacture of elastic and provocatively elements operating at temperatures up to +250 °C.
Note
Alloy non-magnetic corrosion-resistant dispersion-hardened with a temporary resistance 1180−1570 MN/m2 (120−160 kgf/mm2), with the normal elasticity modulus 186500−196000 MN/m2 (19000−20000 kgf/mm2).
Standards
| Name |
Code |
Standards |
| Classification, nomenclature and general norms |
В30 |
GOST 10994-74 |
| Tapes |
В34 |
GOST 14117-85, TU 14-1-1124-74, TU 14-1-4618-89 |
| Steel alloy wire |
В73 |
GOST 14118-85 |
| Sectional and shaped rolling |
В32 |
GOST 14119-85, TU 14-1-1129-74, TU 14-11-245-88 |
| Metal forming. Forgings |
В03 |
ST ЦКБА 010-2004 |
| Thermal and thermochemical treatment of metals |
В04 |
ST ЦКБА 016-2005 |
| Sheets and stripes |
В33 |
TU 14-1-2858-79 |
| Bulls. Blanks. Slabs |
В31 |
TU 14-1-3904-84 |
| Welding and cutting of metals. Soldering, riveting |
В05 |
TU 14-1-997-2012 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Al |
Ti |
| GOST 10994-74 |
≤0.05 |
≤0.02 |
≤0.02 |
0.8-1.2 |
11.5-13 |
0.3-0.7 |
35-37 |
The rest |
0.9-1.2 |
2.7-3.2 |
Fe is the basis.
Mechanical characteristics
| Section, mm |
t отпуска, °C |
sT|s0,2, MPa |
σB, MPa |
d5, % |
d |
d10 |
y, % |
kJ/m2, кДж/м2 |
HRC |
| Blank pieces of pipe fittings and welded assemblies at ST CKBA 016-2005. Quenching in water from 920-950 °C (delay of 1-3 min/mm the largest section) + Aging at 650-670 °C (delay of 2-4 h), air cooling |
| ≤60 |
- |
≥637 |
≥1029 |
≥14 |
- |
- |
≥25 |
≥490 |
32-41.5 |
| Cold-rolled steel strip (samples) in the delivery state according to GOST 14117-85. Quenching in water from 920-950 °C + Aging at 650-670 °C (exposure 4 h) |
| 0.1-0.9 |
- |
- |
≥1180 |
- |
≥5 |
- |
- |
- |
- |
| 1-2 |
- |
≥785 |
≥1180 |
- |
≥6 |
- |
- |
- |
≥35 |
| Cold-rolled steel strip as supplied by GOST 14117-85 |
| 0.1-0.9 |
- |
- |
950-1350 |
- |
≥1 |
- |
- |
- |
- |
| 1-2 |
- |
- |
950-1350 |
- |
≥2 |
- |
- |
- |
- |
| 0.1-0.9 |
- |
- |
880-1100 |
- |
≥2 |
- |
- |
- |
- |
| 1-2 |
- |
- |
880-1100 |
- |
≥3 |
- |
- |
- |
- |
| Cold-rolled steel strip as supplied by GOST 14117-85. Quenching in water from 950-970 °C |
| 0.1-2 |
- |
- |
590-880 |
- |
≥25 |
- |
- |
- |
- |
| Cold-rolled steel strip as supplied by GOST 14117-85. Aging (in the graph, the temperature of leave is specified aging temperature and aging time) |
| - |
650-700, 4ч |
785-980 |
1130-1320 |
- |
≥5 |
- |
- |
- |
- |
| - |
650-670, 2ч |
1130-1320 |
1320-1470 |
- |
≥3 |
- |
- |
- |
- |
| - |
650-670, 2ч |
1030-1180 |
1230-1370 |
- |
≥5 |
- |
- |
- |
- |
| Wire cold drawn nagarebana in the state of delivery according to GOST 14118-85. Aging at 600-670 °C (exposure 2 hours), air cooling (indicated by the value δ100) |
| 0.3-5 |
- |
- |
≥1400 |
- |
≥1 |
- |
- |
- |
- |
| Wire cold drawn polonikova in the state of delivery according to GOST 14118-85. Aging 630-670 °C (exposure 2 hours), air cooling (indicated by the value δ100) |
| ≥3 |
- |
- |
≥1270 |
- |
≥5 |
- |
- |
- |
- |
| 0.3-3 |
- |
- |
≥1370 |
- |
≥5 |
- |
- |
- |
- |
| Bars and rods, hot-rolled, forged and with special surface finish GOST 14119-85. Quenching in water from 920-950 °C + Aging at 650-670 °C (delay of 2-4 h), air cooling |
| 1-30 |
- |
≥735 |
≥1130 |
- |
- |
- |
≥22 |
≥390 |
- |
| 31-60 |
- |
≥365 |
≥1030 |
- |
- |
≥14 |
≥25 |
≥490 |
- |
| 61-120 |
- |
≥490 |
≥880 |
- |
- |
- |
≥35 |
≥590 |
- |
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 |
| d10 |
Elongation after rupture |
| y |
The relative narrowing |
| kJ/m2 |
Toughness |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
