Designation
| Name |
The value |
| Designation GOST Cyrillic |
05кп |
| Designation GOST Latin |
05kp |
| Transliteration |
05kp |
| By chemical elements |
5 |
Description
Steel 05kp used: for the manufacture of parts non-critical appointment manufactured by holaday stamping and upsetting.
Note
The degree of deoxidation — KP.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
GOST 1050-88, GOST 7417-75, GOST 14955-77, GOST 1050-2013, TU 14-1-2118-77, TU 14-11-245-88, TU 14-136-367-2008 |
| Sheets and strips |
В23 |
GOST 14918-80 |
| Steel pipes and fittings to them |
В62 |
GOST 3262-75, TU 14-3-1428-86 |
| Tape |
В24 |
GOST 3560-73 |
| Steel wire medium and high carbon |
В72 |
GOST 3920-70, GOST 7372-79, GOST 9389-75, GOST 9850-72, GOST 26366-84 |
| Bars and shapes |
В22 |
GOST 8319.0-75 |
| Blanks. Of the workpiece. Slabs |
В31 |
OST 3-1686-90, TU 14-1-4944-90 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
N |
As |
| GOST 1050-88 |
≤0.06 |
≤0.04 |
≤0.035 |
≤0.4 |
≤0.1 |
≤0.03 |
≤0.3 |
Rest |
≤0.3 |
≤0.006 |
≤0.08 |
Fe is the basis.
According to GOST 1050-88, the nitrogen content is specified for the steel of the oxygen-converter method of smelting. For all other types of smelting, the nitrogen content was N≤0.008%.
Mechanical properties
| Section, mm |
σU, MPa |
d5, % |
| Delivery condition (heat treatment) |
| ≤4 |
255-370 |
30-34 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
Technological properties
| Name |
The value |
| Weldability |
Without restrictions: RDS, ADS submerged arc and gas protection, the CCC, ARDS. |
| Склонность к отпускной хрупкости |
tend not |
| The temperature of forging |
Start - 1280 °C, the end - 850 °C. |
| Flock-sensitive sensitivity |
not sensitive |
