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