Designation
Name |
The value |
Designation GOST Cyrillic |
Ст1пс |
Designation GOST Latin |
Ct1pc |
Transliteration |
St1ps |
By chemical elements |
1 |
Description
Steel St1ps used: for the manufacture of parts with high viscosity and low hardness, the anchor bolts connecting the casings, fasteners irresponsible destination, rivets, non-critical valves; welded pipes; two-headed rails, t-type P5, is designed for ground and suspended tracks.
Note
The degree of deoxidation — PS.
Standards
Name |
Code |
Standards |
Tape |
В34 |
GOST 19851-74 |
Steel pipes and fittings to them |
В62 |
GOST 3262-75, GOST 10704-91, GOST 10705-80, GOST 20295-85, GOST 24950-81, TU 14-3-1160-83, TU 14-3-1428-86, TU 1373-013-02949352-2003 |
Tape |
В24 |
GOST 3560-73, GOST 6009-74, 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 10551-75, GOST 11474-76, GOST 19240-73, GOST 19425-74, GOST 30565-98, GOST 535-2005, GOST 30136-95, OST 5.9086-85, OST 5.9087-84, TU 14-2-341-78, TU 14-1-5283-94 |
Sheets and strips |
В23 |
GOST 8568-77, GOST 14918-80, GOST 16523-97, GOST 16523-89, GOST 16523-70 |
Blanks. Of the workpiece. Slabs |
В31 |
OST 3-1686-90, TU 14-1-4944-90 |
Sheets and strips |
В33 |
TU 14-1-3579-83, 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 |
0.06-0.12 |
≤0.05 |
≤0.04 |
0.25-0.5 |
≤0.3 |
0.05-0.15 |
≤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, % |
d4 |
The hot rolled shapes in the state of delivery |
≤10 |
≥205 |
315-410 |
≥34 |
- |
≥100 |
≥175 |
315-410 |
≥31 |
- |
10-20 |
≥205 |
315-410 |
≥34 |
- |
20-40 |
≥195 |
315-410 |
≥33 |
- |
40-100 |
≥185 |
315-410 |
≥31 |
- |
Sheet as supplied. Without heat treatment |
≤4 |
190-220 |
320-420 |
≥30 |
- |
Hot-rolled sheet in the delivery condition. Group strength ОК300В |
≤2 |
≥215 |
300-480 |
- |
≥21 |
2-3.9 |
≥215 |
300-480 |
- |
≥23 |
Cold-rolled sheet in the delivery condition. Group strength ОК300В |
≤2 |
≥215 |
300-480 |
- |
≥24 |
2-3.9 |
≥215 |
300-480 |
- |
≥26 |
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 |
d4 |
Elongation after rupture |