Steel St0
Description
Steel St0
Steel St0: brand of steels and alloys. Below is the systematized information on the purpose, chemical composition, types of supplies, substitutes, temperature of critical points, physical, mechanical, technological and casting properties for the grade — Steel St0.
General information of steel St0
| Delivery type |
| Long products, including shaped: GOST 380−71, GOST 2590−71, GOST 2591−71, GOST 19771−74, GOST 19772−74, GOST 8278−75, GOST 8281−80, GOST 8283−77, GOST 8509 -86, GOST 8910−86, GOST 8239−72, GOST 8240−72. Thick sheet GOST 19903−74 Thin sheet GOST 19903−74. Tape GOST 503−81, GOST 6009−74. Strip GOST 103−76, GOST 82−70. Wire GOST 3282−74, GOST 17305−71. |
| Application |
| For minor structural elements and irrelevant details: flooring, fittings, lining, washers, railings, casings, sheathing and others. |
Chemical composition of steel St0
| Chemical element |
% |
| Sulfur (S), no more |
0.06 |
| Carbon ©, no more |
0.23 |
| Phosphorus (P), no more |
0.07 |
Mechanical properties of steel St0
Mechanical properties
| Heat treatment, delivery condition |
Section, mm |
σ B, MPa |
δ 5 ,% |
δ 4 ,% |
| Hot rolled products |
<20 |
300 |
23 |
|
| Hot rolled products |
20−40 |
300 |
22 |
|
| Hot rolled products |
> 40 |
300 |
20 |
|
| Hot rolled sheets |
<2.0 |
300 |
|
eleven |
| Hot rolled sheets |
2.0−3.9 |
300 |
|
thirteen |
| Cold rolled sheets |
<2.0 |
300 |
|
fourteen |
| Cold rolled sheets |
2.0−3.9 |
300 |
|
sixteen |
Technological properties of steel St0
| Forging temperature |
| Beginning 1300, end 700. |
| Weldability |
| Can be welded without restrictions; welding methods: RDS, ADS, submerged arc and gas shielded, EShS and KTS. |
| Machinability by cutting |
| In the hot-rolled state with НВ 103−107 and σ B = 460 MPa K υ tv.spl. = 2.1 K υ b.st. = 1.65 |
| Tendency to release ability |
| Not inclined |
| Flock sensitivity |
| Not sensitive |
Endurance limit of steel St0
| σ -1, MPa |
σ B, MPa |
| 167 |
305 |
Corrosion properties of steel St0
| Wednesday |
Test temperature, ° С |
Corrosion rate, mm / year |
| Sea water |
20 |
0.105 |
