Designation
| Name |
The value |
| Designation GOST Cyrillic |
13Х15Н4АМ3 |
| Designation GOST Latin |
13X15H4AM3 |
| Transliteration |
13H15N4AM3 |
| By chemical elements |
13Cr15Н4NMo3 |
| Name |
The value |
| Designation GOST Cyrillic |
ЭП310 |
| Designation GOST Latin |
EP310 |
| Transliteration |
EhP310 |
| By chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
ВНС-5 |
| Designation GOST Latin |
BHC-5 |
| Transliteration |
VNS-5 |
| By chemical elements |
WНС-5 |
Description
13Х15Н4АМ3 steel is used: for the manufacture of forgings intended for subsequent cold machining or hot for subsequent machining (stamping, forging, rolling, etc.) in the manufacture of machine parts; special heat-resistant fasteners for power equipment.
Note
Corrosion-resistant steel austenitic-martensitic class.
Standards
| Name |
Code |
Standards |
| Classification, nomenclature and General rules |
В20 |
OST 1 90005-91 |
| Blanks. Of the workpiece. Slabs |
В21 |
OST 1 90176-75 |
| Blanks. Of the workpiece. Slabs |
В31 |
TU 14-1-1213-75, TU 14-1-1214-75, TU 14-1-1626-76 |
| Sheets and strips |
В33 |
TU 14-1-1505-76, TU 14-1-2931-80 |
| Processing of metals by pressure. Forgings |
В03 |
TU 14-1-1530-75, TU 14-1-2902-80, TU 14-1-2918-80 |
| Bars and shapes |
В32 |
TU 14-1-940-74, TU 14-1-1271-75 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
N |
B |
Mo |
| TU 14-1-2902-80 |
0.11-0.16 |
≤0.02 |
≤0.03 |
≤1 |
14-15.5 |
≤0.7 |
4-5 |
Rest |
0.05-0.11 |
0.11-0.16 |
2.3-2.8 |
| TU 14-1-1505-76 |
0.11-0.16 |
≤0.02 |
≤0.03 |
≤1 |
14-15.5 |
≤0.7 |
4-5 |
Rest |
0.05-0.1 |
- |
2.3-2.8 |
Fe is the basis.
According to TU 14-1-2902-80, TU 14-1-2918-80 and TU 14-1-1505-76 the chemical composition is given for 13Х15Н4АМ3-Ш (ЭП310-Ш).
According to TU 14-1-1505-76 deviations from the norms of chemical composition are allowed: for carbon -0.010%, for chromium, nickel and molybdenum ± 0.10% of each element.
Mechanical properties
| Section, mm |
t отпуска, °C |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
HB, MPa |
HRC |
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 |
| - |
- |
- |
1350-1570 |
- |
- |
- |
- |
39.5-45.5 |
| - |
- |
- |
1470-1670 |
- |
- |
- |
415-462 |
43-46 |
| Forgings. Quenching in air, water or oil 1060-1080 °C + cold Treatment at minus 70°C (2 h) or -50 °C (4 hours) + Holiday |
|
450, 1 ч |
≥1030 |
≥1420 |
≥15 |
≥55 |
≥980 |
- |
- |
|
190-210, 2 ч |
≥1080 |
≥1470 |
≥15 |
≥50 |
≥980 |
- |
- |
| Sheet rental on the other 14-1-1505-76. The normalization in the air with 1060-1080 °C + cold Treatment at minus 70±5 °C (2 h ± 10 min) + Aging at 450±10 °C (1 h ± 10 min.) |
|
- |
≥1030 |
≥1422 |
≥10 |
- |
- |
- |
- |
| Forming at OST 1 90176-75. Quenching in air, water or oil 1060-1080 °C + cold Treatment at minus 70°C (2 h) or -50 °C (4 hours) + Holiday |
|
450, 1 ч |
≥1030 |
≥1422 |
≥15 |
≥55 |
≥980 |
- |
- |
|
190-210, 2 ч |
≥1079 |
≥1472 |
≥15 |
≥50 |
≥980 |
- |
- |
Description mechanical marks
| Name |
Description |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| KCU |
Toughness |
| HB |
Brinell hardness number |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
