Designation
| Name |
The value |
| Designation GOST Cyrillic |
38ХГСА |
| Designation GOST Latin |
38XGCA |
| Transliteration |
38HGSA |
| By chemical elements |
38CrMnС |
| Name |
The value |
| Designation GOST Cyrillic |
38ХГС |
| Designation GOST Latin |
38XGC |
| Transliteration |
38HGS |
| By chemical elements |
38CrMnС |
Description
38ХГСА steel is used: for the manufacture of flanges, Cams, fingers, rollers, levers, axles, parts, welded structures and other improve parts of complex configuration, working under alternating loads.
Note
Structural steel high-quality chromonemata.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
TU 14-1-184-72 |
Physical characteristics
| Temperature |
Е, HPa |
G, HPa |
r, kg/m3 |
l, W/(m · °C) |
R, Mr. · m |
a, 10-6 1/°C |
С, J/(kg · °C) |
| 0 |
215 |
84 |
7850 |
38 |
210 |
- |
- |
| 20 |
215 |
83 |
7850 |
38 |
210 |
- |
- |
| 100 |
210 |
82 |
7830 |
38 |
- |
118 |
495 |
| 200 |
204 |
79 |
7800 |
37 |
- |
123 |
505 |
| 300 |
195 |
75 |
7760 |
37 |
- |
129 |
512 |
| 400 |
186 |
70 |
7730 |
36 |
- |
134 |
535 |
| 500 |
175 |
66 |
7700 |
34 |
- |
137 |
586 |
| 600 |
166 |
61 |
7670 |
32 |
- |
140 |
620 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| G |
Modulus of elasticity shear torsion |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
| a |
The coefficient of linear expansion |
| С |
Specific heat |
Technological properties
| Name |
The value |
| Weldability |
Limited weldability. Welding methods: SMAW, ADS submerged arc and gas protection, ARDS. Recommended heating and subsequent heat treatment is required, the CCC without restriction. |
| The temperature of forging |
Start - 1250 °C, the end - 860 °C. the cross Sections up to 100 mm are cooled in air, 101-200 mm - mulde, 201-300 mm - with oven. |
| Flock-sensitive sensitivity |
Sensitive. |
| Machinability |
In hot-rolled condition in NV 207-217 blower SB=710 MPa Kn TV.SPL.=0,85 Kn b.St.=0,75. |
