Sales & Support: Request A Quote
Home ProductsStructural Steel Tubes & Pipes

GOST 8732-78Hot-Formed Seamless Steel Pipes

GOST 8732-78Hot-Formed Seamless Steel Pipes

    • GOST 8732-78Hot-Formed Seamless Steel Pipes
    • GOST 8732-78Hot-Formed Seamless Steel Pipes
    • GOST 8732-78Hot-Formed Seamless Steel Pipes
    • GOST 8732-78Hot-Formed Seamless Steel Pipes
  • GOST 8732-78Hot-Formed Seamless Steel Pipes

    Product Details:

    Place of Origin: China
    Brand Name: Torich
    Certification: ISO9001, TS16949, ISO14001,NK
    Model Number: GOST8734

    Payment & Shipping Terms:

    Price: NEGOTIATION
    Packaging Details: IN BUNDLES
    Delivery Time: 45-60 DAYS
    Payment Terms: T/T L/C
    Supply Ability: 60000 TONS PER YEAR
    Min Order: 5 tons
    Contact Now
    Detailed Product Description

    GOST 8732-78.Seamless Hot-Formed Steel Pipes

     

    Outside Diameter: 32 – 219 mm 

    (32; 33,7; 38; 42; 42,4; 45; 48,3; 50; 51; 54; 57; 60; 60.3*; 63,5; 68; 70; 73; 76; 82,5*; 83; 89; 95; 102; 108; 114; 121; 127; 133; 140; 146; 152; 159; 168; 178*; 180; 194; 203; 219)

    Wall Thickness: 2.8 – 46 mm 

    (2,8; 3; 3,2*; 3,5; 4; 4,5; 5; 5,5; 6; 6,5; 7; 7,5; 8; 8,5; 9; 9,5; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 22; 24; 25; 26; 28; 30; 32; 34; 35; 36; 38; 40; 42; 45) . 

    Tolerances: 
    OD: 
    D 32 – 50 mm: ± 0.5 mm 
    D 51 – 219 mm: ± 1%

    WT: 
    S 2,8 – 15 mm: + 12,5% – 15% 
    S 16 – 30 mm: ± 12,5% 
    S 32 – 45 mm: + 10% – 12,5%

    Notes: 

    Pipe is made form Steel grades: 10, 20, 35, 45, 10Mn2, 15Cr, 20Cr, 40Cr, 30CrMnSi, 15CrMo, 30CrM acc. to GOST 1050-88, GOST 4543-71, GOST 19281-89.

    1.  
    2. Dimension marked by "*", as well as intermediate dimensions are produced subject to agreement.
    3. Dimensions of pipes and tolerances according to GOST 8732-78.
    4. Technical requirements according to GOST 8731-74.
    5. Length from 4 up to 11.7 m depending on diameter and wall thickness.
    6. Groups of metrics of quality: 
      BВ – with rate setting of chemical composition for killed steel (grades according to GOST 1050-88, GOST 4543-71, GOST 19281-89); 
      V – with rate setting of mechanical properties and chemical composition; 
      G – with rate setting of chemical composition and control of mechanical properties for heat-treated samples. Mechanical properties are according to steel standards.
    7.  
    Deminsion
    OD, mm
    WT, mm
    OD, mm
    WT, mm
    OD, mm
    WT, mm
    32 – 33,7
    2,8 – 4,0
    89 – 95
    3,5 – 24
    146
    5 – 38
    38 – 42,4
    3 – 4,5
    102 – 108
    4 – 28
    152
    5 – 40
    45 – 54
    3,5 – 6,0
    114
    4,5 – 28
    159
    5 – 42
    57 – 68
    3,5 – 14
    121
    5 – 30
    168 – 194
    6 – 45
    70
    3,5 – 16
    127
    5 – 32
    203 – 219
    8 – 45
    73 – 76
    3,5 – 20
    133
    5 – 35    
    82,5 – 83
    3,5 – 22
    140
    5 – 36    

     

    Mechanical properties
    Steel Grade
    TS, N/mm2(min)
    YS,N/mm2 (min)
    E, % (min)
    10
    353
    216
    24
    20
    412
    245
    21
    35
    510
    294
    17
    45
    588
    323
    14
    10Mn2
    421
    265
    21
    20Cr
    431
    -
    16
    40Cr
    657
    -
    9
    30CrMnSi
    686
    -
    11
    15CrMo
    431
    225
    21
    30CrMn
    588
    392
    13

     

      

    Chemical composition (%, max)
    Steel Grade
    C
    Si
    Mn
    Cr
    Ni
    Mo
    S
    P
    Cu
    N
    10
    0,07-0,14
    0,17-0,37
    0,35-0,65
    0,15
    0,3
    -
    -
    -
    -
    -
    20
    0,17-0,24
    0,17-0,37
    0,35-0,65
    0,25
    0,25
    -
    0,03
    0,025
    0,30
    0,008
    35
    0,32-0,40
    0,17-0,37
    0,50-0,80
    0,25
    0,30
    -
    0,04
    0,035
    0,30
    -
    45
    0,42-0,45
    0,17-0,37
    0,50-0,80
    0,25
    -
    -
    -
    -
    -
    -
    10Mn2
    0,07-0,15
    0,17-0,37
    1,2-1,6
    0,30
    0,30
    -
    0,035
    0,035
    0,30
    -
    20Cr
    0,17-0,23
    0,17-0,37
    0,50-0,80
    0,70-1,0
    0,30
    -
    0,035
    0,035
    0,30
    -
    40Cr
    0,36-0,44
    0,17-0,37
    0,50-0,80
    0,80-1,10
    0,30
    -
    0,035
    0,035
    0,30
    -
    30CrMnSi
    0,28-0,34
    0,90-1,20
    0,80-1,10
    0,80-1,10
    0,30
    -
    0,005
    0,025
    -
    -
    15CrMo
    0,11-0,18
    0,17-0,37
    0,40-0,70
    0,80-1,10
    0,30
    0,40-0,55
    0,025
    0,025
    0,30
    -
    30CrMn
    0,26-0,33
    0,17-0,37
    0,40-0,70
    0,80-1,10
    0,30
    0,15-0,25
    0,025
    0,025
    0,30
    -
     

     

    Purchase Seamless Steel Tubes GOST standard

    GOST 8732-78Hot-Formed Seamless Steel Pipes

     GOST 8732-78Hot-Formed Seamless Steel Pipes    GOST 8732-78Hot-Formed Seamless Steel Pipes

     

    GOST 8732-78Hot-Formed Seamless Steel Pipes

    Contact Details
    Torich International Co.,Ltd

    Contact Person: Mr. Richard

    Tel: 86-574-88086983

    Fax: 86-574-88086983

    Send your inquiry directly to us (0 / 3000)