API 5Lpipeline zitsulo chitoliro
Gulu lachitsulo: L360 kapena X52 (PSL1)
Zofunikira pakupanga Chemical:
C: ≤0.28(yopanda msoko) ≤0.26(yowotcherera)
Mayi: ≤1.40
P: ≤0.030
S: ≤0.030
Cu: 0.50 kapena kuchepera
Pansi: ≤0.50
Cr: ≤0.50
Mo: ≤0.15
*V+Nb+Ti: ≤0.15
* Manganese amatha kuonjezedwa ndi 0.05% pakuchepetsa 0.01% iliyonse ya carbon, mpaka 1.65%
Zofunikira zamakina:
Mphamvu zokolola: ≥360Mpa
Kukhazikika kwamphamvu: ≥460Mpa
Weld kumakokedwa mphamvu ya welded zitsulo chitoliro: ≥460Mpa
Elongation: ≥1940* AXC0.2/4600.9, pomwe AXC ndi gawo la gawo lachitsanzo chokhazikika
Kulekerera kwakunja kwachitsulo chitoliro:
| M'mimba mwake D mm | Mapeto akunja kwapang'onopang'ono mm | |
| Chitoliro chopanda chitsulo | Welded zitsulo chitoliro | |
| <60.3 | -0.8, +0.4 | |
| 60.3 D kapena kuchepera 168.3 kapena kuchepera | -0.4, +1.6 | |
| 168.3 <D≤610 | ± 0.005D, koma pazipita ± 1.6 | |
| 610 <D≤1422 | + / - 2.0 | +/ - 1.6 |
| > 1422 | Mwa pangano | |
Khoma makulidwe kulolerana of zitsulo chitoliro:
| Makulidwe a khoma t mm | Kulekerera mm |
| Chitoliro chopanda chitsulo | |
| 4.0 kapena kuchepera | + 0,6, -0.5 |
| 4 pa <25 | +0.150t, -0.125t |
| 25 kapena kuposa | +3.7 kapena +0.1t, chomwe chili chachikulu -3.0 kapena -0.1t, tengani chokulirapo |
| Welded chubu | |
| 5.0 kapena kuchepera | + / - 0.5 | |
| 5.0 | <t <15 | Kuwonjezera kapena kuchotsera 0.1 t |
| 15 | kapena kuposa | +/ - 1.5 |
Chitsulo kalasi: L360N or X52N(PSL2)
Chemical kupanga zofunika:
C: ≤0.24
Kulemera kwake: ≤0.45
Mayi: ≤1.40
P: ≤0.025
S: ≤0.015
V: ≤0.10
Nb:≤0.05
Kulemera kwake: ≤0.04
Kukula: ≤0.50
Ndi: ≤0.30
Cr: ≤0.30
Mo: ≤0.15
V+Nb+Ti: ≤0.15
* Manganese atha kuonjezedwa ndi 0.05% pakuchepetsa 0.01% iliyonse ya carbon, mpaka kufika pa 1.65%.
* Palibe kuwonjezera mwadala kwa boron komwe kumaloledwa, otsalira B≤0.001%
Mpweya zofanana:
CEP masentimita: ≤0.25
CEIIW: ≤0.43
* Gwiritsani ntchito CE pamene mpweya uli waukulu kuposa 0.12%, ndipo gwiritsani ntchito CE IIW pameneP masentimita mpweya wa carbon ndi wocheperapo kapena wofanana ndi 0.12%.
CEP cm = C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B
Ngati zotsatira za kusanthula kwa smelting kwa B ndizochepera 0.0005%, ndiye kuti palibe chifukwa chophatikiza kusanthula kwa chinthu B pakuwunika kwazinthu, ndipo zomwe zili mu B zitha kuwonedwa ngati ziro pakuwerengera kofanana ndi kaboni CEP cm.
CEIIW =C+Mn/6 (C+Mo+V)/5+(Ni+Cu)/ 15
Zimango katundu zofunika:
Mphamvu zokolola: 360-530Mpa
Kuthamanga mphamvu: 460-760Mpa
Zokolola chiŵerengero: ≤0.93 (pokhapokha pa D> 323.9mm zitsulo chitoliro)
Weld kumakokedwa mphamvu ya welded zitsulo chitoliro: ≥460Mpa
Kutalikirana kochepa: = 1940 * AXC0.2/4600.9, pomwe AXC ndi gawo la gawo lachitsanzo chokhazikika.
Kuyesa kwa CVN kwa chubu
Kutentha kwa mayeso 0 .C
| Tchulani kukula kwakunja kwa D mm | Mtengo wapatali wa magawo CVNMphamvu zotengedwaKVJ |
| 508 kapena kuchepera | 27 |
| 508 mpaka 762 | 27 |
| 762 mpaka 914 | 40 |
| > 914 mpaka 1219 | 40 |
| > 1219 mpaka 1422 | 40 |
| > 1422 mpaka 2134 | 40 |
Zakunja awiri kulolerana of zitsulo chitoliro:
| M'mimba mwake D mm | Malizitsani kupatuka kwakunja kwa diameter | |
| Chitoliro chopanda chitsulo | Welded zitsulo chitoliro | |
| <60.3 | -0.4, +0.8 | |
| 60.3 D kapena kuchepera 168.3 kapena kuchepera | -0.4, +1.6 | |
| 168.3 <D=610 | ± 0.005D, koma pazipita ± 1.6 | |
| 610 <D=1422 | + / - 2.0 | +/ - 1.6 |
| > 1422 | Mwa pangano | |
Khoma makulidwe kulolerana of zitsulo chitoliro:
| Makulidwe a khoma t mm | Kulekerera |
| Chitoliro chopanda chitsulo | |
| 4.0 kapena kuchepera | + 0,6, -0.5 |
| 4 pa <25 | +0.150t, -0.125t |
| 25 kapena kuposa | +3.7 kapena +0.1t, chilichonse chachikulu -3.0 kapena -0.1t, kutenga zazikulu |
| Welded chitoliro | |
| 5.0 kapena kuchepera | + / - 0.5 |
| 5.0 <t <15 | Kuwonjezera kapena kuchotsera 0.1 t |
| 15 kapena kuposa | +/ - 1.5 |
Nthawi yotumiza: Sep-26-2023
