API 5LPipe irin
Irin ite: l360 tabi x52 (PSL1)
Awọn ibeere ti a ti paarọ kemikali:
C: ≤0.28 (aito) ≤0.26 (Welded)
MN: ≤1.40
P: ≤0.030
S: ≤0.030
Cu: 0.50 tabi kere si
Ni: ≤0.50
Kr: ≤0.50
Mo: ≤0.15
* V + NB + Ti: ≤0.15
* Akoonu manganese le pọsi nipasẹ 0.05% idinku ninu akoonu erogba, to o pọju 1.65%
Awọn ibeere Awọn ohun-ini Awọn ohun-elo:
Ikore ikore: ≥360mpa
Agbara Tensele: ≥460MPA
Weld Tonile Agbara Of Welded aaye palifo: ≥460mpa
Piongation: ≥1940 * AXC0.2 / 4600.9, nibiti oxc ni agbegbe apakan ti agbegbe
Ifarabalẹ ti o ni ita ti paipu irin:
| Iwọn ila opin ti o lọ | Pari ti o jẹ iyapa ti iwọn ilaja mm | |
| Awọn paipu irin | Pipe aaye | |
| <60.3 | -0.8, +0.4 | |
| 60.3 D tabi kere si 168.3 tabi kere si | -0.4, +1.6 | |
| 168.3 <D≤610 | ± 0.005d, ṣugbọn o pọju ± 1.6 | |
| 610 <D≤1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Nipasẹ adehun | |
Ogiri ipọn ifarada of irin PIP:
| Ni sisanra ogiri t mm | Firence mm |
| Awọn paipu irin | |
| 4.0 tabi kere si | +0.6, -0.5 |
| 4 <t <25 | + 0.50nt, -0.25t |
| 25 tabi ju | +3.7 tabi + 0.1t, eyikeyi ti o tobi -3.0 tabi -0.1t, mu tobi |
| Tube gebe | |
| 5.0 tabi kere si | + / - 0,5 | |
| 5.0 | <t <15 | Plus tabi iyokuro 0.1 t |
| 15 | tabi diẹ sii | + / - 1,5 |
Irin ipo: L360N or X52n(PSL2)
Kẹmika mowe Awọn ibeere:
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
Kr: ≤0.30
Mo: ≤0.15
V + NB + Ti: ≤0.15
* Awọn akoonu manganese le pọ nipasẹ 0.05% idinku gbogbo 0.01% idinku ninu akoonu erogba, to o pọju 1.65%.
* Ko si afikun ipinnu ipinnu ti boron ni a gba laaye, NSUBUL BNen0.001%
Aṣegba bakanna:
Cep CM: ≤0.25
Ceilw: ≤0.43
* Lo CE ce nigbati akoonu erogba tobi ju 0,12%, ati lo CEWH MOWWNT NIP CM cm awọn ero-agbo naa ko kere si 0,12%.
CEP cm = c + Si / 30 + MN / 20 + Cu / 20 + ati 15 + + + + + 5B
Ti abajade ti onínọmbà smelting ti B jẹ kere ju 0.0005%, lẹhinna ko nilo lati fi onínìwe ti Epilẹ B ni Statechi ti o jẹ iṣiro carbon bi iṣiro carm.
Ceilw = c + mn / 6 (c + Mo + V) / 5 + ni + cu) / 15
Oniṣẹ ohun ini Awọn ibeere:
Ikore ikore: 360-530mpa
Agbara Tensele: 460-760mpa
RUS RUO: ≤0.93 (Sipe Niwọn si D> 323.9mm irin irin)
Weld Tonile Agbara Of Welded aaye palifo: ≥460mpa
Pigpograpation ti o kere julọ: = 1940 * AXC0.2 / 4600.9, nibiti Axc ni agbegbe apakan-isalẹ ti Ipinle apakan ti apẹẹrẹ Teense.
Idanwo ikolu CVN ti tube
Igba otutu 201.c
| Pato iwọn ila opin ti d mm | Iwọn kikun ni CVNAgbaraKvj |
| 508 tabi kere si | 27 |
| > 508 si 762 | 27 |
| > 762 si 914 | 40 |
| > 914 si 1219 | 40 |
| > 1219 si 1422 | 40 |
| > 1422 si 2134 | 40 |
Ita Iwọn opin ifarada of irin PIP:
| Iwọn ila opin ti o lọ | Pari ti o jẹ iyapa iwọn ila opin | |
| Awọn paipu irin | Pipe aaye | |
| <60.3 | -0.4, +0.8 | |
| 60.3 D tabi kere si 168.3 tabi kere si | -0.4, +1.6 | |
| 168.3 <D = 610 | ± 0.005d, ṣugbọn o pọju ± 1.6 | |
| 610 <D = 1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Nipasẹ adehun | |
Ogiri ipọn ifarada of irin PIP:
| Ni sisanra ogiri t mm | Ifarada |
| Awọn paipu irin | |
| 4.0 tabi kere si | +0.6, -0.5 |
| 4 <t <25 | + 0.50nt, -0.25t |
| 25 tabi ju | +3.7 tabi + 0.1t, eyikeyi ti o tobi -3.0 tabi -0.1T, gba tobi |
| Pipe | |
| 5.0 tabi kere si | + / - 0,5 |
| 5.0 <t <15 | Plus tabi iyokuro 0.1 t |
| 15 tabi diẹ sii | + / - 1,5 |
Akoko Post: Oṣu Kẹsan-26-2023
