Steel St1sp

  • 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 Ст1сп
    Designation GOST Latin Ct1cp
    Transliteration St1sp
    By 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
    Tape В34 GOST 19851-74
    Steel pipes and fittings 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
    Tape В24 GOST 3560-73, GOST 6009-74, STP М309-74
    Classification, nomenclature and General rules В20 GOST 380-2005
    Bars and shapes 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 strips В23 GOST 8568-77, GOST 14918-80, GOST 16523-97, GOST 16523-89, GOST 16523-70
    Blanks. Of the workpiece. Slabs В31 OST 3-1686-90, TU 14-1-4944-90
    Sheets and strips В33 TU 14-1-3579-83, TU 14-1-4431-88
    Bars and shapes В32 TU 14-2-849-89, TU 14-11-245-88, TU 14-136-367-2008

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu N As
    GOST 380-2005 0.06-0.12 ≤0.05 ≤0.04 0.25-0.5 ≤0.3 0.15-0.3 ≤0.3 Rest ≤0.3 ≤0.012 ≤0.08
    Fe is the basis.
    The nitrogen content is indicated for steel smelted in electric furnaces. In open-hearth and converter steels, the content of N≤0.010%.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, 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
    sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
    σU Limit short-term strength
    d5 Elongation after rupture
    d4 Elongation after rupture