Designation
| Name |
The value |
| Designation GOST Cyrillic |
Ст5Гпс |
| Designation GOST Latin |
Ct5Gpc |
| Transliteration |
St5Gps |
| By chemical elements |
5Mn |
Description
St5gps steel is used: for the production of I-beams, channels, angle steel used in steel structures for General industrial use; two-headed rails, t-type P5, is designed for ground and suspended tracks.
Note
The degree of deoxidation — PS.
Standards
| Name |
Code |
Standards |
| Steel pipes and fittings to them |
В62 |
GOST 3262-75, TU 14-3-1160-83, TU 14-3-1428-86 |
| Tape |
В24 |
GOST 3560-73, STP М309-74 |
| Classification, nomenclature and General rules |
В20 |
GOST 380-2005 |
| Bars and shapes |
В22 |
GOST 5422-73, GOST 5781-82, GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 9234-74, GOST 11474-76, GOST 19240-73, GOST 19425-74, GOST 535-2005, OST 5.9086-85, OST 5.9087-84 |
| Sheets and strips |
В23 |
GOST 82-70, GOST 14637-89, GOST 14918-80, TU 14-1-3023-80 |
| Blanks. Of the workpiece. Slabs |
В31 |
OST 3-1686-90, TU 14-1-4944-90 |
| Sheets and strips |
В33 |
TU 14-1-4431-88 |
| Bars and shapes |
В32 |
TU 14-2-849-89, TU 14-11-245-88, TU 14-136-367-2008 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
N |
As |
| GOST 380-2005 |
0.22-0.3 |
≤0.05 |
≤0.04 |
0.8-1.2 |
≤0.3 |
≤0.15 |
≤0.3 |
Rest |
≤0.3 |
≤0.012 |
≤0.08 |
Fe is the basis.
The nitrogen content is indicated for steel smelted in electric furnaces. In open-hearth and converter steels, the content of N≤0.010%.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
| The hot rolled plate, long products and fittings as supplied |
| ≤20 |
≥285 |
450-590 |
≥20 |
| 20-40 |
≥275 |
450-590 |
≥19 |
| 40-100 |
≥265 |
450-590 |
≥17 |
| 100 |
≥255 |
450-590 |
≥17 |
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 |
