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Steel St1kp

Steel St3kp (VSt3kp) Steel St6sp (VSt6sp) Steel St6ps (VSt6ps) Steel St5sp St5ps steel St5Gps steel Steel St4sp (VSt4sp) Steel St4ps (VSt4ps) Steel St4kp (VSt4kp) Steel St3sp (VSt3sp) Steel St3ps (VSt3ps) Steel St3GSp (VSt3GSp) Steel St3Gps (VSt3Gps) Steel St2sp (VSt2sp) Steel St2ps (VSt2ps) Steel St2kp (VSt2kp) Steel St1sp St1ps steel Steel St1kp Steel St0

Designation

Name The value
Designation GOST Cyrillic Ст1кп
Designation GOST Latin Ct1kp
Transliteration St1kp
The chemical elements 1

Description

St1kp steel is used: for the manufacture of parts with high viscosity and low hardness, the anchor bolts connecting the casings, non-critical valves, rivets, and other fasteners non-critical purposes; tube and pipe; two-headed rails, t-type P5, is designed for ground and suspended tracks; enamelware.

Note

The degree of deoxidation — KP.

Standards

Name Code Standards
Tapes В34 GOST 19851-74
Sheets and stripes В33 GOST 24244-80, TU 14-1-3579-83, TU 14-1-4431-88
Pipes steel and connecting parts to them В62 GOST 3262-75, GOST 10704-91, GOST 10705-80, 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 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 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
Sectional and shaped rolling В32 TU 14-11-245-88, TU 14-136-367-2008
Low-carbon steel wire В71 TU 14-4-1813-97

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % d4 d10
Cold roll for the enamelware according to GOST 24244-80 in the state of delivery (specify a group to exhaust the category of the quality)
0.5-1.5 ≥250 270-368 - ≥30 ≥36
1.5-2 ≥235 270-368 - ≥30 ≥36
2-2.5 ≥235 270-368 - ≥32 ≥36
0.5-2 - 255-362 - ≥28 ≥34
2-2.5 - 255-362 - ≥30 ≥34
0.5-2 - 265-382 - ≥26 -
2-2.5 - 265-382 - ≥29 -
0.5-2 - 265-382 - ≥25 -
2-2.5 - 265-382 - ≥28 -
The hot rolled shapes in the state of delivery
≤10 ≥195 305-390 ≥35 - -
≥100 ≥165 305-390 ≥32 - -
10-20 ≥195 305-390 ≥35 - -
20-40 ≥185 305-390 ≥34 - -
40-100 ≥175 305-390 ≥32 - -
Sheet as supplied. Without heat treatment
- - 310-400 ≥33 - -
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
d10 Elongation after rupture

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