ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Paipa Wao maitaiwhakamahia i roto i te huru teitei-pēhanga me te nuinga whakamahia i roto i te tipu hiko, ahumahi hinu waho, ahumahi matū, Fertilizer, petrochemicals, refineries etc.
Ko te ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Paipa Wao Wao me pai-rua, he pai te kuhu-katoa i runga i nga tikanga me nga kaitarai, kaitoha ranei e whai tohu ana i runga i te ASME Boiler and Pressure Vessel Code. , Tekiona IX.
Ko nga karaehe katoa i tua atu i te 10, 11, 12 me te 13 me whakamahana i roto i te oumu ki te ±15 ℃ me te whakauru ki te rekoata hydrometer kia waatea ai nga rekoata whakamahana.
Hanganga:Wehenga Pewa Kua Ruku Roa (LSAW).
Rahi:OD: 406～1422mm WT: 8～60mm.
Kōeke:B60, C60, C65, etc.
Roa:3-12M ranei te roa kua tohua ina hiahiatia.
Ka mutu:Whakamutunga Maama, Whakamutunga Beveled, Rawe.
| Nga whakaritenga matū mo ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe | ||||||||||||
| Paipa | Kōeke | Tito, % | ||||||||||
| C mōrahi | Mn | P mōrahi | S mōrahi | Si | Ko etahi atu | |||||||
| <=1in (25mm) | >1~2in (25~50mm) | >2~4in(50-100mm) | >4~8in (100~200mm) | >8in (200mm) | <=1/2in (12.5mm) | >1/2in (12.5mm) | ||||||
| 60 | 0.24 | 0.21 | 0.29 | 0.31 | 0.31 | 0.98max | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98max | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30max | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| C | 55 | 0.18 | 0.20 | 0.22 | 0.24 | 0.26 | 0.55–0.98 | 0.55–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... |
| 60 | 0.21 | 0.23 | 0.25 | 0.27 | 0.27 | 0.55–0.98 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | |
| 65 | 0.24 | 0.26 | 0.28 | 0.29 | 0.29 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | |
| 70 | 0.27 | 0.28 | 0.30 | 0.31 | 0.31 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | |
| Nga Taonga Miihini | |||||||
| Kōeke | |||||||
|
| B60 | B65 | B70 | C55 | C60 | C65 | C70 |
| Te kaha matara, min: | |||||||
| ksi | 60 | 65 | 70 | 55 | 60 | 65 | 70 |
| Mpa | 415 | 450 | 485 | 380 | 415 | 450 | 485 |
| Te kaha tuku, min: | |||||||
| ksi | 32 | 35 | 38 | 30 | 32 | 35 | 38 |
| MPa | 220 | 240 | 260 | 205 | 220 | 240 | 260 |
| Nga Whakaritenga Elongation: I runga i te paerewa | |||||||
1. Te Diameter o waho-I runga i te inenga porowhita ±0.5% o te diameter o waho kua tohua.
2.-O-o-te-Roundness-Rerekētanga i waenga i nga diameter nui me te iti o waho.
3. Tirohanga-Whakamahia te 10 ft (3m) arai tika kia piri nga pito e rua ki te paipa, 1/8 inihi (3mm).
4. Matotoru-Ko te iti rawa o te matotoru o te pakitara i tetahi waahi o te paipa kaua e neke ake i te 0.01 inihi (0.3mm) i raro i te matotoru ingoa kua tohua.
5. Ko nga roa me nga pito kore miihini me uru ki roto -0+1/2 inihi (-0+13mm) o tera kua tohua.Ko nga roa me nga pito miihini ka rite ki te whakaaetanga i waenga i te kaihanga me te kaihoko.
Te Whakamatau Whakamatau—Ka tutuki nga ahuatanga o te taarua whakawhiti o te hononga paiherea ki nga whakaritenga iti mo te tino kaha o te pereti kua tohua.
Whakamatau-a-arahi-Weld-piko - Ka whakaaetia te whakamatautau piko ki te kore he kapiti me etahi atu hapa e neke ake i te 1/8 inihi (3mm) ahakoa he aha kei roto i te whakarewa whakarewa, i waenga ranei i te whakarewa me te whakarewa turanga i muri i te piko.
Whakamātautau Whakairoiro-whakairoiro-Ko te roa o ia wea o te karaehe X1 me X2 ka tirotirohia ma te reo irirangi i runga i nga whakaritenga o te Waehere Paera ASME me te Waehe Pehe, Wāhanga tuawhitu, kōwae UW-51.
Ko te putorino kua oti te kore he kino kino, me te rite ki te mahi.
A. Te ingoa o te Kaihanga, tohu ranei.
B. Tau whakakitenga(tau-ra, e hiahiatia ana ranei).
C. Rahi( OD, WT, roa).
D. Kōeke( A, B ranei).
E. Momo paipa( F, E, S ranei).
F. Te pehanga whakamatautau ( putorino maitai kore noa).
G. Tau Wera.
H. Nga korero taapiri kua tohua i roto i te ota hoko.
● putorino Bare ranei Black / Varnish paninga / paninga Epoxy / paninga 3PE (kia rite ki nga whakaritenga a te kiritaki);
● 6"me raro i roto i nga paihere me nga kotaha miro e rua;
● Ko nga pito e rua me nga parepare mutunga;
● Ko te pito mania, ko te pito kopapa(2"me runga ake me nga pito kopapa, tohu: 30~35°), miro me te hono;
● Te tohu.
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