Steel St0
Designation
| Name |
The value |
| Designation GOST Cyrillic |
Ст0 |
| Designation GOST Latin |
Ct0 |
| Transliteration |
St0 |
| The chemical elements |
- |
Description
St0 steel is used: for the manufacture of secondary and minor elements of structures and components (decking, construction valves non-critical purposes, linings, washers, railings, casings, linings; hot-rolled steel sheets with one-sided rhombic and lenticular corrugated); two-headed rails, t-type P5, is designed for ground and suspended tracks.
Standards
| Name |
Code |
Standards |
| Pipes steel and connecting parts to them |
В62 |
GOST 3262-75, TU 14-3-1160-83, TU 14-3-1428-86 |
| Low-carbon steel wire |
В71 |
GOST 3282-74 |
| 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 8239-89, GOST 8240-97, GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 8509-93, GOST 9234-74, GOST 10551-75, GOST 11474-76, GOST 19240-73, GOST 19425-74, GOST 19771-93, GOST 19772-93, GOST 30565-98, GOST 535-2005, GOST 30136-95, GOST 2590-2006, GOST 2591-2006, OST 5.9086-85, OST 5.9087-84, TU 14-2-341-78, TU 14-1-5283-94 |
| Sheets and stripes |
В23 |
GOST 82-70, GOST 8568-77, GOST 14637-89, GOST 14918-80, GOST 16523-97, GOST 19903-74, GOST 16523-89, GOST 16523-70, GOST 103-2006, GOST 19903-90, STP М324-90 |
| Bulls. Blanks. Slabs |
В31 |
OST 3-1686-90, TU 14-1-4944-90 |
| Sheets and stripes |
В33 |
TU 14-1-4431-88 |
| Sectional and shaped rolling |
В32 |
TU 14-11-245-88, TU 14-136-367-2008 |
Mechanical characteristics
| Section, mm |
σB, MPa |
d5, % |
d4 |
| The hot rolled shapes in the state of delivery |
| ≤20 |
≥300 |
≥18 |
- |
| 20-40 |
≥300 |
≥18 |
- |
| 40 |
≥300 |
≥15 |
- |
| Hot-rolled plate in the delivery condition |
| ≤20 |
≥300 |
≥23 |
- |
| ≥40 |
≥300 |
≥20 |
- |
| 20-40 |
≥300 |
≥22 |
- |
| Sheets hot rolled as supplied |
| 2-3.9 |
≥300 |
- |
≥13 |
| 2 |
≥300 |
- |
≥11 |
| The cold-rolled sheets in the delivery condition |
| 2-3.9 |
≥300 |
- |
≥16 |
| 2 |
≥300 |
- |
≥14 |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| d4 |
Elongation after rupture |
Technological properties
| Name |
The value |
| Weldability |
Welded without restriction; welding methods: RDS, ADS, submerged arc and gas protection electroslag welding and CCC. |
| Propensity to temper brittleness |
tend not |
| Forging temperature |
Beginning - 1300 °C, end - 700 °C. |
| Flock-sensitive sensitivity |
not sensitive |
| Workability by cutting |
In hot rolled state at NV 103-107 and blower SB=460 MPa Kn TV.SPL.=2.1 Kn b.St.=1.65 |
