Api 5lPipeline Steel Pipe
Sehlopha sa tšepe: L360 kapa X52 (PSL1)
Litlhokahalo tsa sebopeho sa lik'hemik'hale:
C: ≤0.28 (seamless) ≤0.26 (Weld)
MN: ≤1.40
P: ≤0.030
S: ≤0.030
Cu: 0.50 kapa ka tlase
NI: ≤0.50
Cr: ≤0.50
Mo: ≤0.15
* Vb + ti: ≤0.15
* Manganese
Litlhokahalo tsa thepa ea mochini:
Ho ba Matla: ≥360La
Matla a Tennker: ≥460La
Weld e tetetsoe ea mahlakore a tšepe ea tšepe ea tšepe: ≥460Le
Holimo: ≥1940 * Axc0.2 / 4600.9, moo Axc ke sebaka sa karoloana sa sekataneng sa tennisi
Ho mamella ka ho teba ha phaposi ea tšepe:
| Bophara bo ka thoko ke mm | Ho qetela ka ntle ho moo ho kheloha meno | |
| Phala ea samless Steel | Weld Steel Pipe | |
| <60.3 | -0.8, +0.4 | |
| 60.3 D kapa ka tlase ho 168.3 kapa ka tlase | -0.4, +1.6 | |
| 168.3 <d≤610 | ± 0,005D, empa bophahamo ± 1.6 | |
| 610 <d≤1422 | + / - 2.0 | + / 1.6 |
| > 1422 | Ka tumellano | |
Lebota botenya ho mamella of Tšepe Pipe:
| Botenya ba lebota | Ho mamella mm |
| Phala ea samless Steel | |
| 4.0 kapa ka tlase | +0.6, -0.5 |
| 4 <t <25 | +150t, -0.12T |
| 25 kapa ho feta | +3.7 kapa +1T, efe kapa efe e kholo -3.0 kapa -0 kapa -0.1t, nka e kholo |
| Lebatooa le Wead | |
| 5.0 kapa ka tlase | + / - 0.5 | |
| 5.0 | <t <15 | Hammoho le kapa ho ntša 0.1 t |
| 15 | kapa ho feta | + / - 1.5 |
Tšepe Keletso: L360N or X52n(PSL2)
Lik'hemik'hale sebopeho Litlhokahalo:
C: ≤0.24
Si: ≤0.45
MN: ≤1.40
P: ≤0.025
S: ≤0.015
V: ≤0.10
NB:≤0.05
TI: ≤0.04
Cu: ≤0.50
NI: ≤0.30
Cr: ≤0.30
Mo: ≤0.15
V rb + ti: ≤0.15
* Manganese dikahare tse ka eketsoang ka 0.05% bakeng sa phokotso e 'ngoe le e' ngoe ea 0,01% ho carbon, ho fihlela e le boholo ba 1.65%.
* Ha ho tlatsetso ea morero oa borena
Carbon lekana:
C cm: ≤0.25
Ceiiw: ≤0.43
* Sebelisa Ce Ha litaba tsa carbon li kholo ho feta 0.12%, 'me u sebelise CM IIW Likahare tsa Carbon li ka tlase ho 0,12%.
CEP CM = C + 30 + MN / * CU / + NI / 60 + Mo / 10 + V
Haeba sephetho sa tlhahlobo ea B se ka tlase ho 0.0005%, ebe ha ho na tlhoko ea ho kenyelletsa tlhahlobo ea li-crob tse lekanang.
Ceiiw = C + MN / 6 (C + Mo + Mo + Mo2 + (NI + Cu) / 15
Mochini Thepa Litlhokahalo:
Ho Fana ka Matla: 360-530mpa
Matla a Tennkeile: 460-760mpa
Kakaretso ea Suctio: ≤0.93 (e sebetsa feela ho D> 323.9mm steel pipe)
Weld e tetetsoe ea mahlakore a tšepe ea tšepe ea tšepe: ≥460Le
Nako e nyane ea nako: = 1940 * Axc0.2 / 4600.9, moo Axc ke sebaka sa naha ea tense.
Tlhahlobo ea CVN ea Tube
Mocheso oa liteko 0 .C
| Hlakisa bophara ba kantle ho DM MM | Boholo ba CVNEtlatsiKvj |
| 508 kapa ka tlase | 27 |
| > 508 ho isa ho 762 | 27 |
| > 762 ho 914 | 40 |
| > 914 ho la 1219 | 40 |
| > 1219 ho isa ho 1422 | 40 |
| > 1422 ho 2134 | 40 |
Kantle bophara ho mamella of Tšepe Pipe:
| Bophara bo ka thoko ke mm | Ho qetela ho kheloha ka ntle ho moo | |
| Phala ea samless Steel | Weld Steel Pipe | |
| <60.3 | -0.4, +0.8 | |
| 60.3 D kapa ka tlase ho 168.3 kapa ka tlase | -0.4, +1.6 | |
| 168.3 <d = 610 | ± 0,005D, empa bophahamo ± 1.6 | |
| 610 <d = 1422 | + / - 2.0 | + / 1.6 |
| > 1422 | Ka tumellano | |
Lebota botenya ho mamella of Tšepe Pipe:
| Botenya ba lebota | Ho mamella |
| Phala ea samless Steel | |
| 4.0 kapa ka tlase | +0.6, -0.5 |
| 4 <t <25 | +150t, -0.12T |
| 25 kapa ho feta | +3.7 kapa + 0.1T, efe kapa efe e kholo -3.0 kapa -0.1t, nka e kholo |
| Pipe ea Wead | |
| 5.0 kapa ka tlase | + / - 0.5 |
| 5.0 <t <15 | Hammoho le kapa ho ntša 0.1 t |
| 15 kapa ho feta | + / - 1.5 |
Nako ea poso: Sep-26-2023
