Characteristics of St3ps-brand steel
St3ps is a semi-killed carbon steel for construction and general usage, and is used in various load-bearing and non-load-bearing elements of metal structures. Its chemical composition corresponds to the DSTU 2651 and GOST 380 standards.
Classification: Standard-grade structural carbon steel.
Product: Load-bearing elements of welded and non-welded structures.
Chemical composition of St3ps steel, %
С |
Si |
Mn |
P |
S |
Cr |
N |
Cu |
As |
0.14-0.22 |
0.05-0.15
|
0.4-0.65
|
<0.04
|
<0.05
|
<0.03
|
<0.008 | <0.3 |
<0.08 |
Mechanical properties of St3ps steel
Standard |
Standard Minimum yield strength, ReH (MPa) Ultimate tensile strength, Rm (MPa) Minimum elongation ratio σ, % |
Standard Minimum yield strength, ReH (MPa) Ultimate tensile strength, Rm (MPa) Minimum elongation ratio σ, % |
Standard Minimum yield strength, ReH (MPa) Ultimate tensile strength, Rm (MPa) Minimum elongation ratio σ, % |
GOST 14637 |
370-480 |
245 |
26 |
DSTU 8803 |
370-480 |
245 |
26 |
Analogues to St3ps steel
US |
A284Gr.D, A57036, A573Gr.58, A611Gr.C, GradeC, K01804, K02001, K02301, K02502, K02601, K02702 |
Germany |
1.0038, 1.0116, Fe360B, Fe360D1, RSt37-2, S235J2G3, S235JRG1, S235JRG2, St37-2, USt37-2 |
Japan |
SS400 |
France |
E24-2NE, E24-3, E24-4, S235J0, S235J2G3, S235J2G4, S235JRG2 |
UK |
1449-2723CR, 1449-3723CR, 3723HR, 40B, 40D, 4360-40B, 4360-40D, 4449-250, 722M24, Fe360BFU, Fe360D1FF, HFS3, HFS4, HFW3, HFW4, S235J2G3, S235JR, S235JRG2 |
EU |
Fe37-3FN, Fe37-3FU, Fe37B1FN, Fe37B1FU, Fe37B3FN, Fe37B3FU, S235J0, S235J2G3, S235JR, S235JRG2, S235JRG3 |
Italy |
Fe360B, Fe360BFN, Fe360C, Fe360CFN, Fe360D, Fe360DFF, Fe37-2, S235J0, S235J2G3, S235J2G4, S235JRG2 |
Belgium |
FE360BFN, FE360BFU, FED1FF |
Spain |
AE235BFN, AE235BFU, AE235D, Fe360BFN, Fe360BFU, Fe360D1FF, S235J2G3, S235JRG2 |
China |
Q235, Q235A, Q235A-B, Q235A-Z, Q235B, Q235B-Z |
Sweden |
1312, 1313 |
Bulgaria |
BSt3ps, BSt3sp, Ew-08AA, S235J2G3, S235JRG2, WSt3ps, WSt3sp |
Hungary |
Fe235BFN, Fe235D, S235J2G3, S235JRG2 |
Poland |
St3SY, St3W |
Romania |
OL37.2 |
Czech Republic |
11373, 11375, 11378 |
Finland |
FORM300H |
Application
St3ps carbon steel is used in flat and shaped steel products, thick plates, hot- and cold-rolled coils, arc-welded pipes and sections, forgings, stampings and other metal components. These are used in construction and machine-building for manufacturing metal structures and components for use in normal temperatures.
Welding
St3pc steel can be welded without limitation. The standard methods include manual-arc, automatic-arc, contact and electroslag welding. Preheating and subsequent heat treatment is recommended for gauges over 36 mm.
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