ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Tuubada Kaarboonka ah waawaxaa loo isticmaalaa xaalad cadaadis sare leh waxaana badanaa loo isticmaalaa warshadda korontada, warshadaha saliidda badda, warshadaha kiimikada, bacriminta, kiimikooyinka batroolka, warshadaha sifeynta iwm.
ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Tuubooyinka Birta Kaarboonka ah waa in lagu dhejiyaa laba-laab, si buuxdana loogu dhejiyaa alxanka si waafaqsan habraacyada iyo alxanka ama hawl-wadeennada alxanka ee u qalma sida waafaqsan Xeerka Biyo-mareenka iyo Maraakiibta Cadaadiska ee ASME, Qaybta IX.
Dhammaan fasallada aan ahayn 10, 11, 12 iyo 13 waa in lagu kululeeyaa foornada iyadoo la xakameynayo ilaa ±15℃ oo lagu qalabeeyo hydrometer duuban si diiwaannada kuleylinta loo heli karo.
Soo saaridda:Alxanka Qaanso ee Muddada Dheer Lagu Qotoma (LSAW).
Cabbirka:OD: 406~1422mm MW: 8~60mm.
Darajada:B60, C60, C65, iwm.
Dhererka:3-12M ama dherer cayiman sida loogu baahdo.
Dhammaad:Dhammaad Cad, Dhammaad La Gooyay, La Gooyay.
| Shuruudaha Kiimikada ee ASTM A672 B60/B70/C60/C65/C70 LSAW Tuubada Birta Kaarboonka ah | ||||||||||||
| tuubo | Fasal | Halabuurka, % | ||||||||||
| C ugu badan | Mn | P ugu badan | S ugu badan | Si | Kuwa kale | |||||||
| <=1in (25mm) | >1~2in (25 ~ 50mm) | >2~4in (50-100mm) | >4 ~ 8 inji (100 ~ 200mm) | >8 inji (200mm) | <=1/2in (12.5mm) | >1/2 inji (12.5mm) | ||||||
| 60 | 0.24 | 0.21 | 0.29 | 0.31 | 0.31 | 0.98 ugu badnaan | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98 ugu badnaan | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30 ugu badnaan | 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 | ... | |
| Sifooyinka Farsamada | |||||||
| Fasal | |||||||
|
| B60 | B65 | B70 | C55 | C60 | C65 | C70 |
| Xoogga jiidista, ugu yaraan: | |||||||
| ksi | 60 | 65 | 70 | 55 | 60 | 65 | 70 |
| Mpa | 415 | 450 | 485 | 380 | 415 | 450 | 485 |
| Xoogga wax soo saarka, ugu yaraan: | |||||||
| ksi | 32 | 35 | 38 | 30 | 32 | 35 | 38 |
| MPA | 220 | 240 | 260 | 205 | 220 | 240 | 260 |
| Shuruudaha Kordhinta: Sida caadiga ah | |||||||
1. Dhexroorka Dibadda - Ku salaysan cabbirka wareegga ±0.5% ee dhexroorka dibadda ee la cayimay.
2. Ka-baxsan-Meel-wareejin - Farqiga u dhexeeya dhexroorka dibadda ee waaweyn iyo kuwa yaryar.
3. Isku-dubarid - Adeegsiga 10 ft (3m) oo toosan oo la dhigay si labada darafba ay ula xiriiraan tuubada, 1/8 inji (3mm).
4. Dhumucda - Dhumucda derbiga ugu yar meel kasta oo tuubada ah waa inaysan ka badnaan 0.01 inji (0.3mm) marka loo eego dhumucda magacaaban ee la cayimay.
5. Dhererka leh darafyo aan la madhin waa inuu ahaadaa -0+1/2 inji (-0+13mm) ee la cayimay. Dhererka leh darafyo madhin waa inuu ahaadaa sida ay isku raaceen soo saaraha iyo iibsadaha.
Tijaabada Xiisadda - Sifooyinka jiidista ee kala-goysyada alxanka waa inay buuxiyaan shuruudaha ugu yar ee xoogga jiidista ugu dambeeya ee walaxda saxanka ee la cayimay.
Tijaabooyinka leexashada ee hagaya-alxanka-leexashada — Tijaabada leexashada waa in la aqbalaa haddii aysan jirin dildilaacyo ama cillado kale oo ka badan 1/8 inji (3mm) jiho kasta oo ku yaal birta alxanka ama inta u dhaxaysa alxanka iyo birta salka ka dib leexashada.
Baaritaanka Raadyowga - Dhererka buuxa ee alxan kasta oo fasalka X1 iyo X2 ah waa in si raajada ah loo baaraa iyadoo la raacayo oo la buuxinayo shuruudaha Xeerka Biyo-mareenka iyo Maraakiibta Cadaadiska ee ASME, Qaybta toddobaad, cutubka UW-51.
Tuubada la dhammeeyay waa inay ka xorowdaa cillado dhaawac ah waxayna yeelan doontaa dhammaystir shaqo oo u eg kan shaqaalaha.
A. Magaca ama calaamadda soo saaraha.
B. Lambarka qeexidda (sanadka-taariikhda ama loo baahan yahay).
C. Cabbirka (OD, WT, dhererka).
D. Darajada (A ama B).
E. Nooca tuubada (F, E, ama S).
F. Cadaadiska tijaabada (tuubo bir ah oo aan kala go 'lahayn oo keliya).
G. Lambarka Kulaylka.
H. Macluumaad dheeraad ah oo ku xusan dalabka iibka.
● Tuubo qaawan ama dahaar Madow / Varnish ah/dahaar Epoxy ah/dahaar 3PE ah (sida waafaqsan shuruudaha macaamiisha);
● 6" iyo wixii ka hooseeya xidhmo oo leh laba suuf oo suuf ah;
● Labada darafba waxay leeyihiin difaac dhammaadka ah;
● Dhammaad siman, dhammaadka bevel (2" iyo wixii ka sarreeya oo leh dhammaadka bevel, heerka: 30~35°), dun iyo isku xidhnaan;
● Calaamadaynta.
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