St1sp (Ст1сп) Structural Steel

  • 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

    Material overview

    St1sp (Ст1сп) is a general-purpose structural-steel designation used on regional and legacy documentation for fabricated parts, fasteners and other non-critical components. The suffix is part of the grade designation and should be retained on the enquiry. Suitability depends on the governing standard, product form, section size and required properties.

    Product forms and sourcing

    Sourcing can be reviewed for round or flat bar, sheet, strip, welded tube and cut blanks, subject to the requested standard and available dimensions. State thickness or diameter, width, length, quantity, straightness, edge, surface condition, machining allowance and whether cutting or preparation is required.

    Evek LLC reviews each requirement against the requested grade, specification, form, dimensions and quantity. Availability, origin, mill route, minimum quantity and certification are confirmed during quotation; website text is not a stock or compliance guarantee.

    Specification and substitution

    A general similarity to another low-carbon steel does not make it an approved equivalent. Chemistry, deoxidation practice, mechanical properties, weldability requirements, tolerances and inspection rules can differ. The purchaser or responsible engineer must approve any alternative against the drawing and applicable code.

    The purchaser remains responsible for material selection, design approval and confirmation that the specified material is suitable for the finished component, manufacturing process and service environment.

    Information required for a quote

    Provide St1sp and the complete standard revision, product form, dimensions, condition, quantity, tolerances, surface and edge requirements, welding or fabrication requirements, testing, material test report, marking, permitted alternatives and U.S. delivery ZIP code.

    Related products and resources

    Review alloy steel products, St4kp structural steel, specialty steel grades, or contact Evek LLC for assistance with the requirement.

    Request a U.S. quote

    Evek LLC serves customers throughout the United States. Typical delivery is 2-3 weeks, subject to grade, specification, form, dimensions, quantity, production route and availability.

    Contact Evek LLC with the complete requirement and U.S. delivery ZIP code.

    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