Steel 08KP

  • Steel 38 (38-PV)
  • Steel 20-KS
  • 20-KHS steel
  • 20K steel
  • Steel 20kp
  • 20ps steel
  • 20YuA steel
  • 20YUCH steel (20YUCH)
  • Steel 22ZhR
  • 22K Steel
  • Steel 25
  • Steel 25ps
  • Steel 30
  • Steel 35
  • Steel 20 (20A; 20B)
  • Steel 40 (40A)
  • Steel 43 (43-PV)
  • Steel 45
  • Steel 45T (45ST)
  • Steel 50
  • Steel 54 (54pp)
  • Steel 55
  • Steel 58 (55pp)
  • Steel 60
  • Steel 60pp (60pp-PV)
  • Steel 90 (BP5)
  • Steel D
  • Steel DB
  • E55 steel (NIPRA)
  • Steel 11kp
  • Steel 0501
  • Steel 05kp
  • Steel 08
  • Steel 08kp
  • 08ps steel
  • Steel 08Fkp
  • Steel 08U (08UA; 08U2 (08U2A))
  • 08YUP steel
  • 08YuPR steel
  • Steel 10
  • 10kp steel
  • 10ps steel
  • 10YuA (10Yu) steel
  • 18YuA steel
  • Steel 11MTUA
  • 11YuA steel
  • 12K Steel
  • Steel 15 (15A)
  • 15K Steel
  • Steel 15kp
  • 15ps steel
  • 15FSA steel
  • 15YuA steel
  • 16GNMA steel
  • 16K Steel
  • 18K Steel
  • 18kp steel

    • Designation

    Name The value
    Designation GOST Cyrillic 08кп
    Designation GOST Latin 08kp
    Transliteration 08kp
    By chemical elements 8

    Description

    Steel 08KP is used: for the manufacture of sheet metal 1−3 mm 4−14 category, intended for cold forming; sheet rolled double-sided electrolytic coating and single-side polymer coating, used in the construction industry, commercial engineering, industrial ventilation, household appliances, decoration and other purposes; gaskets, washers, plugs, tubes, and parts subjected to chemical-thermal treatment of bushings, eyelets, rods; for the manufacture of parts by cold-forming steel has the ability to very deep drawing (VG); electrically welded tubes; wrapped soldered double-layer tubes for hydraulic system pipes combines, tractors, cars, refrigerators, enamelware, etc.; cold strip 0,05−4,00 mm, designed for bending, punching parts, manufacture of pipes, cored wire, parts, bearings and other metal products; details of electrical equipment of vehicles; electric cold pipes for propeller shafts of automobiles, tractors and machinery.

    Note

    Steel quality carbon structural magnetically soft. The degree of deoxidation — KP.

    Standards

    Name Code Standards
    Bars and shapes В32 GOST 1050-88, GOST 7417-75, GOST 8560-78, GOST 10702-78, GOST 14955-77, GOST 1050-2013, TU 14-1-2118-77, TU 14-1-3995-85, TU 14-11-245-88, TU 14-1-263-72, TU 14-1-1271-75, TU 14-136-367-2008
    Sheets and strips В33 GOST 1577-93, GOST 4041-71, GOST 9045-93, GOST 13345-85, GOST 24244-80, TU 14-1-2039-77, TU 14-1-2456-78, TU 14-1-2473-78, TU 14-1-420-72, TU 14-1-4516-88, TU 14-1-5003-91, TU 14-15-117-83, TU 14-1-520-73, TU 14-1-524-73
    Steel pipes and fittings to them В62 GOST 3262-75, GOST 5005-82, GOST 8639-82, GOST 8642-68, GOST 8644-68, GOST 8645-68, GOST 8646-68, GOST 10704-91, GOST 10705-80, GOST 10707-80, GOST 11249-80, GOST 13663-86, GOST 13664-68, TU 14-3-1542-87, TU 14-3-1569-88, TU 14-3-1034-81, TU 14-3-1428-86, TU 14-3Р-63-2002, TU 1373-022-05757850-08, TU 1373-013-02949352-2003
    Tape В24 GOST 3560-73
    Steel wire medium and high carbon В72 GOST 3920-70, GOST 7372-79, GOST 9389-75, GOST 9850-72, GOST 17305-91, GOST 26366-84
    Tape В34 GOST 503-81, GOST 10234-77, GOST 19851-74, TU 14-1-754-73, TU 14-4-151-82, TU 14-1-1766-76, TU 14-1-3035-80, TU 14-1-357-72, TU 14-4-174-72
    Low carbon steel wire В71 GOST 5663-79
    Sheets and strips В23 GOST 82-70, GOST 14918-80, GOST 16523-97, GOST 19904-90, GOST 16523-89, GOST 16523-70, GOST 19903-90, TU 14-1-4695-89
    Bars and shapes В22 GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 8319.0-75, GOST 9234-74, GOST 10551-75, GOST 11474-76, GOST 2590-2006, GOST 2879-2006, TU 14-2-341-78
    Blanks. Of the workpiece. Slabs В31 OST 3-1686-90, TU 14-1-4944-90
    Non-ferrous metals, including rare, and their alloys В51 OST 4.021.009-92
    Tape В54 TU 48-21-166-82

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu
    TU 14-1-1271-75 ≤0.08 ≤0.04 ≤0.035 ≤0.35 ≤0.05 ≤0.02 ≤0.1 Rest ≤0.25
    Fe is the basis.
    According to GOST 1050-88, the nitrogen content is specified for the steel of the oxygen-converter method of smelting. For all other types of smelting, the nitrogen content was N ≤ 0.008%.
    According to TU 14-1-1271-75 and TU 14-1-3995-85, the total content of sulfur and phosphorus should be ≤ 0.070%.
    According to GOST 4041-71 the chemical composition is given for steel used for the production of flat products of the third category. Rental of 1-2 categories are made by chemical composition GOST 1050.
    According to GOST 503-81, in the production of a soft rubber tape intended for the vacuum-vacuum industry, the mass fraction of carbon should not be more than 0.08%, sulfur and phosphorus - not more than 0.022% each.
    According to TU 14-1-3995-85

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d5, % d4 d d10 y, % HB, MPa HRB
    - - - 1-3 - - - - - -
    - - 17-76 - - - - - - -
    Tape flatted average strength of 0.1-4.0 mm according to GOST 10234-77 in the state of delivery (indicated delivery)
    - - 690-830 - - - - - - -
    - - ≤440 - - ≥20 - - - -
    - - ≤410 - - - - - - -
    Cold-rolled steel strip 0,05-4,00 mm according to GOST 503-81 on delivery
    - - ≥540 - - - - - - -
    ≤1.5 - 310-440 - ≥17 - - - - -
    1.55-2 - 310-440 - ≥18 - - - - -
    2.1-2.9 - 310-440 - ≥20 - - - - -
    3-4 - 310-440 ≥24 - - - - - -
    2.1-2.9 - 440-590 - ≥4 - - - - -
    3-4 - 440-590 ≥4 - - - - - -
    ≤1.5 - 270-390 - ≥23 - - - - -
    1.55-2 - 270-390 - ≥26 - - - - -
    2.1-2.9 - 270-390 - ≥30 - - - - -
    3-4 - 270-390 ≥32 - - - - - -
    ≤1.5 - 370-510 - ≥7 - - - - -
    1.55-2 - 370-510 - ≥9 - - - - -
    2.1-2.9 - 370-510 - ≥10 - - - - -
    3-4 - 370-510 ≥12 - - - - - -
    Rolled sheet 1-2 categories of heat-treated (annealing, normalization, high tempering or normalizing + tempering) in the delivery state according to GOST 4041-71
    4-14 - 270-370 ≥34 - - ≥30 - ≤100 ≤55
    Wire for cold heading as supplied by GOST 5663-79
    - - 440-590 - - - - ≥55 - -
    - - ≤590 - - - - ≥55 - -
    Longitudinal electric-welded pipes (Dy=10-530 mm) in the delivery condition. Listed marsvolta base metal
    ≥174 ≥294 ≥27 - - - - - -
    Hot-rolled steel and hot rolled with special surface finish
    - - - - - - - - ≤131 -
    - - - - - - - - ≤115 -
    Steel calibrated and calibrated with special surface finish
    - - ≥370 ≥8 - - - ≥60 ≤179 -
    - - 310-410 - - - - ≥60 ≤131 -
    - - 290-390 - - - - ≥60 ≤131 -
    Steel hot-rolled sheet in the delivery condition on the other 14-1-520-73
    4-7 - 270-380 - - - ≥27 - - -
    4-7 - 270-370 ≥34 - - ≥30 - ≥100 ≤55
    Sheet hire 3 categories of heat-treated (annealing, normalization, high tempering or normalizing + tempering) in the delivery state according to GOST 4041-71
    4-8 ≤235 ≤360 ≥36 - - ≥32 - ≤98 ≤54
    Mechanical properties of heat-treated cold-rolled plates for cold forming according to GOST 9045-93 on delivery
    ≤0.7 - 250-390 - ≥26 - - - - -
    0.7-1.5 - 250-390 - ≥28 - - - - -
    1.5-2 - 250-390 - ≥29 - - - - -
    2-3.9 - 250-390 - ≥30 - - - - -
    Strip, hot-rolled or normalized
    6-25 ≥175 ≥295 ≥35 - - - ≥60 - -
    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 - - - - -
    Pipe electric-welded profile in the delivery state according to GOST 13663-86 (samples)
    - - ≥314 ≥13 - - - - - -
    Pipe wrapped double-layer solder. Listed marsvolta metal pipes
    3-6 - ≥294 ≥29 - - - - - -
    8-15 - ≥294 ≥26 - - - - - -
    Electric-welded cold-deformed pipes for cardan shafts according to GOST 5005-82
    ≥350 ≥390 ≥10 - - - - - -
    List 3 categories of heat-treated
    - - 365 ≥36 - - - - - -
    Hot-rolled sheet in the delivery condition. Group strength К260В
    ≤2 - 260-380 - ≥25 - - - - ≤60
    2-3.9 - 260-380 - ≥28 - - - - ≤60
    Cold-rolled sheet in the delivery condition. Group strength К260В
    ≤2 - 260-380 - ≥26 - - - - ≤60
    2-3.9 - 260-380 - ≥29 - - - - ≤60
    Cold-rolled steel strip
    - - 315-440 - ≥17 - - - - -
    - - 440-590 - ≥4 - - - - -
    - - 245-390 - ≥23 - - - - -
    - - 370-510 - ≥7 - - - - -

    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
    d Elongation after rupture
    d10 Elongation after rupture
    y The relative narrowing
    HB Brinell hardness number
    HRB Rockwell hardness (indenter steel, spherical)

    Physical characteristics

    Temperature Е, HPa r, kg/m3 l, W/(m · °C) R, Mr. · m
    0 203 7871 63 147
    1300 - - 7 -

    A description of the physical symbols

    Name Description
    Е The normal elasticity modulus
    r Density
    l Coefficient of thermal conductivity
    R UD. the resistivity
    a The coefficient of linear expansion
    С Specific heat

    Technological properties

    Name The value
    Weldability Welded without restriction, except for the parts after chemical and heat treatment; welding methods: SMAW, ADS submerged arc and gas protection, the CCC.
    Склонность к отпускной хрупкости Tend not.
    The temperature of forging Start - 1250 °C, the end - of 800 °C. the cross Sections up to 300 mm are cooled in air.
    Flock-sensitive sensitivity not sensitive.
    Machinability In the hot rolled condition when blower SB 131 and HB=315-410 MPa Kn TV.SPL.=Of 2.1 Kn b.St.=Of 1.65.