API 5Lopo irin paipu
Ipele irin: L360 tabi X52 (PSL1)
Awọn ibeere akojọpọ kemikali:
C: ≤0.28(lailopin) ≤0.26(welded)
Mn: ≤1.40
P: ≤0.030
S: ≤0.030
Cu: 0.50 tabi kere si
Ni: ≤0.50
K: ≤0.50
Mo: ≤0.15
*V+Nb+Ti: ≤0.15
* Akoonu manganese le pọ si nipasẹ 0.05% fun gbogbo idinku 0.01% ninu akoonu erogba, to iwọn 1.65%
Awọn ibeere ohun-ini ẹrọ:
Agbara ikore: ≥360Mpa
Agbara fifẹ: ≥460Mpa
Weld agbara fifẹ ti welded, irin pipe: ≥460Mpa
Ilọsiwaju: ≥1940 * AXC0.2 / 4600.9, nibi ti AXC jẹ agbegbe agbegbe-apakan ti awọn ayẹwo fifẹ
Ifarada iwọn ila opin ita ti paipu irin:
| Lode opin D mm | Ipari ita opin iyapa mm | |
| Irin pipe | welded irin pipe | |
| < 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 | Nipa adehun | |
Odi sisanra ifarada of irin paipu:
| Odi sisanra t mm | Ifarada mm |
| Irin pipe | |
| 4.0 tabi kere si | + 0.6, -0.5 |
| 4 <t <25 | + 0,150t, -0.125t |
| 25 tabi ju bẹẹ lọ | +3.7 tabi +0.1t, eyikeyi ti o tobi -3.0 tabi -0.1t, ya tobi |
| welded tube | |
| 5.0 tabi kere si | + / - 0.5 | |
| 5.0 | <t< 15 | Plus tabi iyokuro 0.1 t |
| 15 | tabi diẹ ẹ sii | + / - 1.5 |
Irin ite: L360N or X52N(PSL2)
Kemikali tiwqn 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
Kú: ≤0.50
Ni: ≤0.30
K: ≤0.30
Mo: ≤0.15
V+Nb+Ti: ≤0.15
* Akoonu manganese le pọ si nipasẹ 0.05% fun gbogbo idinku 0.01% ninu akoonu erogba, to iwọn 1.65%.
* Ko si imomose afikun boron ti a gba laaye, iyokù B≤0.001%
Erogba deede:
CEP cm: ≤0.25
CEIIW: ≤0.43
* Lo CE nigbati akoonu erogba ba tobi ju 0.12%, ati lo CE IIW nigbati P cm akoonu erogba kere ju tabi dọgba si 0.12%.
CEP cm = C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B
Ti abajade ti itusilẹ smelting ti B kere ju 0.0005%, lẹhinna ko si iwulo lati ṣafikun itupalẹ ti nkan B ninu itupalẹ ọja, ati pe akoonu B le ṣe itọju bi odo ni erogba deede CEP cm iṣiro.
CEIIW =C+Mn/6 (C+Mo+V)/5+(Ni+Cu)/ 15
Ẹ̀rọ ohun ini awọn ibeere:
Agbara ikore: 360-530Mpa
Agbara fifẹ: 460-760Mpa
Ipin ikore: ≤0.93 (o wulo nikan si D> 323.9mm paipu irin)
Weld agbara fifẹ ti welded, irin pipe: ≥460Mpa
Ilọsiwaju ti o kere julọ: = 1940 * AXC0.2 / 4600.9 , nibiti AXC jẹ agbegbe-apakan ti o wa ni agbedemeji ti ayẹwo fifẹ.
CVN ikolu igbeyewo ti tube
Idanwo iwọn otutu 0.C
| Pato iwọn ita ti D mm | Iwọn kikun CVNAgbara gbigbaKVJ |
| 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 |
Lode opin ifarada of irin paipu:
| Lode opin D mm | Ipari ita opin iyapa | |
| Irin pipe | welded irin pipe | |
| < 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 | Nipa adehun | |
Odi sisanra ifarada of irin paipu:
| Odi sisanra t mm | Awọn ifarada |
| Irin pipe | |
| 4.0 tabi kere si | + 0.6, -0.5 |
| 4 <t <25 | + 0,150t, -0.125t |
| 25 tabi ju bẹẹ lọ | + 3,7 tabi + 0,1t, eyikeyi ti o tobi -3.0 tabi -0.1t, ya tobi |
| welded pipe | |
| 5.0 tabi kere si | + / - 0.5 |
| 5.0 <t <15 | Plus tabi iyokuro 0.1 t |
| 15 tabi diẹ ẹ sii | + / - 1.5 |
Akoko ifiweranṣẹ: Oṣu Kẹsan-26-2023
