ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Carbon Karfe bututu neamfani a high-matsi yanayin da yafi amfani da wutar lantarki, tekun mai masana'antu, sunadarai masana'antu, taki, petrochemicals, matatun mai da dai sauransu.
ASTM A672 B60/B70/C60/C65/C70LSAW(JCOE) Carbon Karfe Bututuza a yi sau biyu-welded, cikakken shigarwa welds yi daidai da matakai da kuma ta walda ko walda aiki masu aiki daidai da ASME Boiler da matsa lamba Vessel Code, Sashe na IX.
Duk azuzuwan ban da 10, 11, 12 da 13 za a bi da su a cikin tanderun da aka sarrafa zuwa ± 15 ℃ kuma an sanye su da hydrometer rikodi don samun bayanan dumama.
Kera:Welding Arc (LSAW).
Girma:OD: 406 ~ 1422mm WT: 8 ~ 60mm.
Daraja:B60, C60, C65, da dai sauransu.
Tsawon:3-12M ko ƙayyadadden tsayi kamar yadda ake buƙata.
Ƙarshe:Ƙarshen Ƙarshe, Ƙarshen Ƙarshe, Ƙarshe.
| Abubuwan da ake buƙata na Chemical don ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Karfe bututu | ||||||||||||
| Bututu | Daraja | Abun ciki, % | ||||||||||
| C max | Mn | P max | S max | Si | Wasu | |||||||
| <= 1 a ciki (25mm) | > 1 ~ 2 in (25-50mm) | > 2 ~ 4 a ciki (50-100mm) | >4~8in (100-200mm) | >8 in (200mm) | <= 1/2 in (12.5mm) | > 1/2 in (12.5mm) | ||||||
| 60 | 0.24 | 0.21 | 0.29 | 0.31 | 0.31 | 0.98 max | 0.035 | 0.035 | 0.13-0.45 | ... | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98 max | 0.035 | 0.035 | 0.13-0.45 | ... | ||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30 max | 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 | ... | |
| Kayayyakin Injini | |||||||
| Daraja | |||||||
|
| B60 | B65 | B70 | C55 | C60 | C65 | C70 |
| Ƙarfin juzu'i, min: | |||||||
| ksi | 60 | 65 | 70 | 55 | 60 | 65 | 70 |
| Mpa | 415 | 450 | 485 | 380 | 415 | 450 | 485 |
| Ƙarfin bayarwa, min: | |||||||
| ksi | 32 | 35 | 38 | 30 | 32 | 35 | 38 |
| MPa | 220 | 240 | 260 | 205 | 220 | 240 | 260 |
| Bukatun Tsawaitawa: Kamar yadda aka saba | |||||||
1. Waje Diamita-Bisa akan ma'aunin kewaye ± 0.5% na ƙayyadadden diamita na waje.
2. Fiye da Zagaye-Bambanci tsakanin manya da ƙananan diamita na waje.
3. Daidaitawa-Yin amfani da madaidaicin 10 ft (3m) wanda aka sanya don duka iyakar suna cikin hulɗa da bututu, 1/8 a. (3mm).
4. Kauri-Ƙarancin kauri na bango a kowane wuri a cikin bututu ba zai zama fiye da 0.01 in. (0.3mm) ƙarƙashin ƙayyadadden ƙayyadadden kauri ba.
5. Tsawon tsayi tare da iyakar da ba a haɗa shi ba zai kasance a cikin -0 + 1 / 2 in. (-0 + 13mm) na wannan ƙayyadaddun.Tsawon tsayi tare da injuna za su kasance kamar yadda aka yarda tsakanin mai ƙira da mai siye.
Gwajin tashin hankali-Maɓallin ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan aikin welded zai cika mafi ƙarancin buƙatu don ƙarfin juzu'i na ƙayyadaddun kayan farantin.
Gwaje-gwajen da aka karkatar da-shirya-weld -Gwajin lanƙwasawa za a karɓa idan babu tsaga ko wasu lahani da suka wuce 1/8 in. (3mm) a kowace hanya suna cikin ƙarfen walda ko tsakanin walda da ƙarfen tushe bayan lankwasawa.
Jarabawar hoto na rediyo-Cikakken tsayin kowane weld na aji X1 da X2 za a bincika ta hanyar rediyo daidai da kuma biyan buƙatun ASME Boiler da Lambar Jirgin Ruwa, Sashe na bakwai, sakin layi na UW-51.
Bututun da aka gama ba zai zama mara lahani ba kuma ya kasance yana da gamawa kamar mai aiki.
A. Sunan masana'anta ko alamar.
B. Lambar ƙayyadaddun (shekara-shekara ko ake buƙata).
C. Girman (OD, WT, tsayi).
D. Daraja (A ko B).
E. Nau'in bututu (F, E, ko S).
F. Gwajin gwajin (bututun ƙarfe mara nauyi kawai).
G. Lambar Zafi.
H. Duk wani ƙarin bayani da aka ƙayyade a cikin odar siyayya.
● Bare bututu ko Black / Varnish shafi / Epoxy shafi / 3PE shafi (bisa ga bukatun abokin ciniki);
● 6"da ƙasa a cikin ɗaure tare da majajjawa auduga guda biyu;
● Dukansu sun ƙare tare da masu kare ƙarshen;
● Ƙarshen Ƙarshe, Ƙarshen Ƙarshen (2"da sama tare da iyakar bevel, digiri: 30 ~ 35 °), zaren da haɗuwa;
● Yin alama.
