API 5LPipeline nchara
Ọkwa nchara: l360 ma ọ bụ x52 (psl1)
Ihe mejupụtara kemịkalụ:
C: ≤0.28 (enweghị nkọ) ≤0.26 (wedded)
MN: ≤1.40
P: ≤0.030
S: ≤0.030
CU: 0.50 ma ọ bụ obere
Ni: ≤0.50
Cr: ≤0.50
Mo: ≤0.15
* V + nb + ti: ≤0.15
* Enwere ike ịbawanye ọdịnaya mangane nwere ike ịbawanye site na 0.05% maka mbepụ 0.01% na carbon ọdịnaya, ruo 1.65%
Ihe Njirimara Njirimara chọrọ:
Mkpụrụ ume nke Mkpụrụ: ≥360MPA
Ike TESSLE: ≥460MPA
Weld tensile ike nke Wedded steel pipe: ≥460MPA
Elongation: ≥1940 * Axc0.2 / 4600.9, ebe axc bụ mpaghara nke Contral Cross
Ọpụpụ nke ọma site na paịlị nke nchara:
| Mpụga dayameta d mm | Ọgwụgwụ na mpụga dayameta mm | |
| Ọkọrị na-enweghị atụ | Welik nchara | |
| <60.3 | -0.8, +0.4 | |
| 60.3 D ma ọ bụ ihe na-erughị 168.3 ma ọ bụ obere | -0.4, +1.6 | |
| 168.3 <d≤610 | ± 0.005d, ma kacha ± 1.6 | |
| 610 <d≤1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Site na Nkwekọrịta | |
Mgbaaja okpurukpu ndidi of stiil pipe:
| Mgbidi ọkpụrụkpụ t mm | Ndidi mm |
| Ọkọrị na-enweghị atụ | |
| 4.0 ma ọ bụ obere | +0,6, -0.5 |
| 4 <t <25 | + 0.150t, -0.125t |
| 25 ma ọ bụ karịa | +3.7 ma ọ bụ + 0.1T, nke ọ bụla buru ibu -3.0 ma ọ bụ -0.1t, buru ibu |
| Welded tube | |
| 5.0 ma ọ bụ obere | + / - 0,5 | |
| 5.0 | <t <15 | Gbakwunyere ma ọ bụ mwepu 0.1 t |
| 15 | ma ọ bụ karịa | + / - 1.5 |
Stiil greedi: L360N or XIse(Psl2)
Kemikal njikọta Ihe achoro:
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 + NB + ti: ≤0.15
* Afọ manganese nwere ike ịbawanye site 0.05% maka mbelata carbon ọ bụla, ruo 1.65%.
* Ọ dịghị ihe atụ na-ekwe omume nke boron na-anabata, ịgbagharị B50.001%
Kabon udinha:
Cep cm: ≤0.25
Ceiiw: ≤0.43
* Jiri OA mgbe CARCON ọdịnaya karịrị 0.12%, ma jiri CE IIW MIW c carbon na-erughị ma ọ bụ hara 0.12%.
Cep cm = c + si / 30 + mn / 20 + cu / 20 + ni / 6 + n / 15 + v / 15 + 5 + 5B
Ọ bụrụ na nsonaazụ nke nyocha nke smelting nke b na-erughị 0.00055%, mgbe ahụ enweghị mkpa ịgụnye nyocha nke mmewere dị ka efu na carbon nha carbon nha.
Ceiiw = c + mn / 6 (C + Mo + v) / 5 + (NI + CU) / 15
Kemekaniiki olu Ihe achoro:
Ike ike: 360-530MPA
Ike TSS: 460-760MPA
Mkpụrụ ruru: ≤0.93 (naanị ọdabara na D> 323.9mm pịchara)
Weld tensile ike nke Wedded steel pipe: ≥460MPA
Obere oge: = 1940 * Axc0.2 / 4600.9, ebe axc bụ mpaghara nke na-ahụ maka tensile.
Nnwale CVN nke tube
Nnwale oge 0.C
| Ezipụta na mpụga dayameta d mm | Ozo zuru ezu cvn zuru okeIke na-atọ ụtọKmju |
| 508 ma ọ bụ obere | 27 |
| > 508 ruo 762 | 27 |
| > 762 ruo 914 | 40 |
| > 914 ruo 1219 | 40 |
| > 1219 ruo 1422 | 40 |
| > 1422 ruo 2134 | 40 |
Nkeazu dayameta ndidi of stiil pipe:
| Mpụga dayameta d mm | Ọgwụgwụ na mpụga dayameta | |
| Ọkọrị na-enweghị atụ | Welik nchara | |
| <60.3 | -0.4, +0.8 | |
| 60.3 D ma ọ bụ ihe na-erughị 168.3 ma ọ bụ obere | -0.4, +1.6 | |
| 168.3 <d = 610 | ± 0.005d, ma kacha ± 1.6 | |
| 610 <d = 1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Site na Nkwekọrịta | |
Mgbaaja okpurukpu ndidi of stiil pipe:
| Mgbidi ọkpụrụkpụ t mm | Ndidi |
| Ọkọrị na-enweghị atụ | |
| 4.0 ma ọ bụ obere | +0,6, -0.5 |
| 4 <t <25 | + 0.150t, -0.125t |
| 25 ma ọ bụ karịa | +3.7 ma ọ bụ + 0.1T, nke ọ bụla buru ibu -3.0 ma ọ bụ -0.1T, buru ibu |
| Achịcha | |
| 5.0 ma ọ bụ obere | + / - 0,5 |
| 5.0 <t <15 | Gbakwunyere ma ọ bụ mwepu 0.1 t |
| 15 ma ọ bụ karịa | + / - 1.5 |
Oge Post: Sepp-26-2023
