Steel St1sp
Designation
| Name |
The value |
| Designation GOST Cyrillic |
Ст1сп |
| Designation GOST Latin |
Ct1cp |
| Transliteration |
St1sp |
| The chemical elements |
1 |
Description
St1sp steel is 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; electrically welded tubes; two-headed rails, t-type P5, is designed for ground and suspended tracks.
Note
The degree of deoxidation — SP.
Standards
| Name |
Code |
Standards |
| Tapes |
В34 |
GOST 19851-74 |
| Pipes steel and connecting parts 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 |
| Tapes |
В24 |
GOST 3560-73, GOST 6009-74, STP М309-74 |
| Classification, nomenclature and general norms |
В20 |
GOST 380-2005 |
| Sectional and shaped rolling |
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 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 stripes |
В23 |
GOST 8568-77, GOST 14918-80, GOST 16523-97, GOST 16523-89, GOST 16523-70 |
| Bulls. Blanks. Slabs |
В31 |
OST 3-1686-90, TU 14-1-4944-90 |
| Sheets and stripes |
В33 |
TU 14-1-3579-83, TU 14-1-4431-88 |
| Sectional and shaped rolling |
В32 |
TU 14-2-849-89, TU 14-11-245-88, TU 14-136-367-2008 |
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, 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 |
| Section |
Section |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| d4 |
Elongation after rupture |
