Sida laga soo xigtay daabacaadda 1aad ee Machadka Batroolka Mareykanka ee Heerka API SPEC 5CT1988, heerka birta ee tuubada daboolka saliidda API 5CT waxaa loo qaybin karaa toban nooc, oo ay ku jiraan H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P-110 iyo Q-125. Waxaan bixinaa tuubada daboolka iyo Tuubada Daboolka API 5CT K55 oo ay weheliso dun iyo isku xidh, ama waxaan bixinaa badeecadeenna iyadoo la raacayo foomamka soo socda ee ikhtiyaarka ah.
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Tilmaamaha Tuubada Daboolka API 5CT K55
| QEEXIDDA TUUBADA DABOOLKA API 5CT K55 | ||
| OD | 10.3mm-2032mm | |
| Heerarka | API 5CT, API 5L, ASTM A53, ASTM A106 | |
| Kala Duwanaanta Dhererka | 3-12M ama sida waafaqsan shuruudaha macmiilka | |
| Heerka Birta (Dabaqa Daboolka, Darajooyinka Tuubooyinka) | Gr.A,Gr.B,Gr.C,X42,X52,X60,X65,X70 | |
| Nooca Maqaarka Boorka | Dhammaad aan la wareerin (NUE), Dhammaad aan la wareerin oo dibadda ah (EUE) | |
| Takhasusyo |
| |
| Dhammaadka Dhammaadka | Dhammaadka Qalalaasaha Dibadda (EUE), Kala-goysyada Biyo-baxa, PH6 (iyo isku-xirro la mid ah), Kala-goysyada Isku-dhafan (IJ) | |
Shuruudaha Tuubada Daboolka ee API 5CT K55
| Koox | Fasal | Nooca | Wadarta dhererka culayska hoos yimaada % | MPa xoogga wax soo saarka | Xoogga jiidista ugu yaraan MPa | Adkaanta ugu badan. | Dhumucda derbiga ee la cayimay mm | Kala duwanaanshaha adag ee la oggol yahay b HRC | ||
|---|---|---|---|---|---|---|---|---|---|---|
| ugu yaraan. | ugu badnaan. | HRC | HBW | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 1 | H40 | - | 0.5 | 276 | 552 | 414 | - | - | - | - |
| J55 | - | 0.5 | 379 | 552 | 517 | - | - | - | - | |
| K55 | - | 0.5 | 379 | 552 | 655 | - | - | - | - | |
| N80 | 1 | 0.5 | 552 | 758 | 689 | - | - | - | - | |
| N80 | Q | 0.5 | 552 | 758 | 689 | - | - | - | - | |
| R95 | - | 0.5 | 655 | 758 | 724 | - | - | - | - | |
| 2 | M65 | - | 0.5 | 448 | 586 | 586 | 22 | 235 | - | - |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 | - | - | |
| L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | - | - | |
| L80 | 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | - | - | |
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40 | 3.0 4.0 5.0 6.0 | |
| T95 | 1 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40 | 3.0 4.0 5.0 6.0 | |
| C110 | - | 0.7 | 758 | 828 | 793 | 30 | 286 | ≤ 12.70 12.71 ilaa 19.04 19.05 ilaa 25.39. ≥ 25.40 | 3.0 4.0 5.0 6.0 | |
| 3 | P110 | - | 0.6 | 758 | 965 | 862 | - | - | - | - |
| 4 | Q125 | 1 | 0.65 | 862 | 1034 | 931 | b | - | ≤ 12.70 12.71 ilaa 19.04 ≥ 19.05 | 3.0 4.0 5.0 |
| aHaddii khilaaf yimaado, tijaabada adag ee shaybaarka Rockwell C ayaa loo isticmaali doonaa habka garsoorka. bXadka adag lama cayimin, laakiin kala duwanaanshaha ugu badan waa la xaddiday iyadoo la raacayo 7.8 iyo 7.9 ee API Spec. 5CT. | ||||||||||
Cabbirka Tuubada Daboolka K55
| Cabbirrada Daboolka Tuubada, Cabbirrada Daboolka Goobta Saliidda iyo Cabbirrada Daboolka | |
|---|---|
| Dhexroorka Dibadda (Cabbirka Tuubada Daboolka) | 4 1/2"-20", (114.3-508mm) |
| Cabbirrada Daboolka Caadiga ah | 4 1/2"-20", (114.3-508mm) |
| Nooca Mawduuca | Qalabka dunta ee dabada, Qalabka dunta ee dabada dheer, Qalabka dunta ee dabada gaaban, Qalabka dunta ee dabada gaaban |
| Shaqada | Waxay ilaalin kartaa tuubada tuubada. |
Tuubo Saliid ah oo loogu talagalay Warshadaha Batroolka iyo Gaaska Dabiiciga ah
| Magaca Tuubooyinka | Faahfaahinta | Heerka Birta | Heerka Caadiga ah | ||
|---|---|---|---|---|---|
| D | (S) | (L) | |||
| (mm) | (mm) | (m) | |||
| Tuubada Daboolka Batroolka | 127-508 | 5.21-16.66 | 6-12 | J55M55.K55. L80. N80P110. | API Specification 5CT (8) |
| Tuubada Batroolka | 26.7-114.3 | 2.87-16.00 | 6-12 | J55. M55. K55. L80. N80. P110. | API Specification 5CT (8) |
| Isku xidhka | 127-533.4 | 12.5-15 | 6-12 | J55. M55. K55. L80. N80. P110. | API Specification 5CT (8) |
Astaamaha Tuubada Daboolka API 5CT K55
- Tuubada Daboolka API 5CT K55 waxaa la bixiyaa dherer xor ah oo u dhexeeya 8m ilaa 13m iyadoo lagu saleynayo heerka SY/T6194-96. Si kastaba ha ahaatee, waxaa sidoo kale la heli karaa oo aan ka yarayn 6m dhererkeeduna waa inaanu ka badnayn 20%.
- Isbeddellada kor ku xusan looma oggola inay ka soo muuqdaan dusha sare ee isku xidhka Tuubada Daboolka API 5CT K55.
- Isbeddel kasta sida timaha, kala-goynta, qolofta, dildilaaca ama qolofta lama aqbali karo labadaba dusha sare ee gudaha iyo dibadda ee badeecada. Dhammaan cilladahaan waa in gebi ahaanba laga saaraa qoto dheerka la saarayna waa inaanu ka badnaan 12.5% dhumucda derbiga magacaaban.
- Dusha sare ee dunta isku xidhka iyo tuubada API 5CT K55 ee Daboolka waa inay siman tahay iyada oo aan lahayn wax burr ah, jeexitaan ama cillado kale oo saameyn xun ku yeelan kara xoogga iyo isku xidhka dhow.
Waa muhiim in shirkadaha saliidda iyo gaaska ay ka ilaaliyaan daxalka ceelkooda wax soo saarka inay ka ilaaliyaan daxalka iyadoo la adeegsanayo ilaalinta katooliga & Tuubada Saliida ee API 5CT waxay inta badan u adeegtaa wareejinta saliidda iyo gaasaska.
Koodhka Midabka ee Tuubada Daboolka ee API 5CT Fasalka K55
| Magaca | J55 | K55 | N80-1 | N80-Q | L80-1 | P110 |
|---|---|---|---|---|---|---|
| Daboolka | koox cagaaran oo dhalaalaya | laba xargo oo cagaaran oo dhalaalaya | koox casaan dhalaalaya | koox casaan dhalaalaya + koox cagaaran | xargo cas + xargo bunni ah | koox cad oo dhalaalaya |
| Isku xidhka | isku xidhka cagaaran oo dhan + xarig cad | isku xidhka cagaaran oo dhan | isku xidhka cas oo dhan | isku xidhka cas oo dhan + xarig cagaaran | isku xidhka cas oo dhan + xargo bunni ah | isku xidhka cad oo dhan |
Qeexitaannada Tuubada Daboolka ISO/API/ API 5CT K55
| Koodka | Dia Dibadda | Miisaanka magacaaban (oo leh mawduuc iyo isku xidhka) b,c | Dhumucda Darbiga | Nooca habaynta dhammaadka | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | kg/m | mm | H40 | J55 | M65 | L80 | N801 | C90d | P110 | Q125d | ||
| In | Lub/ft | K55 | C95 | N80Q | T95d | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 4-1-2 | 9.5 | 114.3 | 14.14 | 5.21 | S | S | S | - | - | - | - | - |
| 4-1-2 | 10.5 | 114.3 | 15.63 | 5.69 | - | SB | SB | - | - | - | - | - |
| 4-1-2 | 11.6 | 114.3 | 17.26 | 6.35 | - | SLB | - | LB | LB | - | LB | - |
| 4-1-2 | 13.5 | 114.3 | 20.09 | 7.37 | - | - | LB | - | LB | - | - | - |
| 4-1-2 | 15.1 | 114.3 | 22.47 | 8.56 | - | - | - | - | - | - | LB | LB |
| 5 | 11.5 | 127 | 17.11 | 5.59 | - | S | S | - | - | - | - | - |
| 5 | 13 | 127 | 19.35 | 6.43 | - | SLB | SLB | - | - | - | - | - |
| 5 | 15 | 127 | 22.32 | 7.52 | - | SLB | LB | - | - | - | LB | - |
| 5 | 18 | 127 | 26.79 | 9.19 | - | - | LB | - | LB | - | - | LB |
| 5 | 21.4 | 127 | 31.85 | 11.1 | - | - | LB | - | LB | - | - | LB |
| 5 | 23.2 | 127 | 34.53 | 12.14 | - | - | - | LB | - | - | - | LB |
| 5 | 24.1 | 127 | 35.86 | 12.7 | - | - | - | LB | - | - | - | LB |
| 5-1-2 | 14 | 139.7 | 20.83 | 6.2 | S | S | S | - | - | - | - | - |
| 5-1-2 | 15.5 | 139.7 | 23.07 | 6.98 | - | SLB | SLB | - | - | - | - | - |
| 5-1-2 | 17 | 139.7 | 25.3 | 7.72 | - | SLB | LB | - | - | LB | - | - |
| 5-1-2 | 20 | 139.7 | 29.76 | 9.17 | - | - | LB | - | LB | - | - | - |
| 5-1-2 | 23 | 139.7 | 34.23 | 10.54 | - | - | - | LB | - | LB | - | - |
| 6-5-8 | 20 | 168.28 | 29.76 | 7.32 | S | SLB | SLB | - | - | - | - | - |
| 6-5-8 | 24 | 168.28 | 35.72 | 8.94 | - | SLB | LB | - | - | LB | - | - |
| 6-5-8 | 28 | 168.28 | 41.67 | 10.59 | - | - | - | - | LB | - | LB | - |
| 6-5-8 | 32 | 168.28 | 47.62 | 12.06 | - | - | - | LB | LB | |||
| 7 | 17 | 177.8 | 25.3 | 5.87 | S | - | - | - | - | - | - | - |
| 7 | 20 | 177.8 | 29.76 | 6.91 | S | S | S | - | - | - | - | - |
| 7 | 23 | 177.8 | 34.23 | 8.05 | - | SLB | LB | LB | - | - | ||
| 7 | 26 | 177.8 | 38.69 | 9.19 | - | SLB | LB | LB | - | |||
| 7 | 29 | 177.8 | 43.16 | 10.36 | - | - | LB | LB | - | |||
| 7 | 32 | 177.8 | 47.62 | 11.51 | - | - | LB | LB | LB | - | ||
| 7 | 35 | 177.8 | 52.09 | 12.65 | - | - | - | LB | LB | LB | ||
| 7-5-8 | 24 | 193.68 | 35.72 | 7.62 | S | - | - | - | - | - | - | - |
| 7-5-8 | 26.4 | 193.68 | 39.29 | 8.33 | - | SLB | LB | LB | - | |||
| 7-5-8 | 29.7 | 193.68 | 44.2 | 9.52 | - | - | LB | LB | - | |||
| 7-5-8 | 33.7 | 193.68 | 50.15 | 10.92 | - | - | LB | LB | - | |||
| 7-5-8 | 39 | 193.68 | 58.04 | 12.7 | - | - | - | LB | LB | |||
| 7-5-8 | 42.8 | 193.68 | 63.69 | 14.27 | - | - | - | LB | LB | LB | ||
| 7-5-8 | 45.3 | 193.68 | 67.41 | 15.11 | - | - | - | LB | LB | LB | ||
| 7-5-8 | 47.1 | 193.68 | 70.09 | 15.88 | - | - | - | LB | LB | LB | ||
| 8-5-8 | 24 | 219.08 | 35.72 | 6.71 | - | S | S | - | - | - | - | - |
| 8-5-8 | 28 | 219.08 | 41.67 | 7.72 | S | - | S | - | - | - | - | - |
| 8-5-8 | 32 | 219.08 | 47.62 | 8.94 | S | SLB | SLB | - | - | - | - | - |
| 8-5-8 | 36 | 219.08 | 53.57 | 10.16 | - | SLB | SLB | LB | LB | - | ||
| 8-5-8 | 40 | 219.08 | 59.53 | 11.43 | - | - | LB | LB | - | |||
| 8-5-8 | 44 | 219.08 | 65.48 | 12.7 | - | - | - | LB | LB | |||
| 8-5-8 | 49 | 219.08 | 72.92 | 14.15 | - | - | - | LB | LB | LB | ||
| Tuubada Daboolka API 5CT Codea | Tuubada Daboolka API 5CT Dhexroorka dibadda | Tuubada Daboolka API 5CT Miisaanka caadiga ah (oo leh mawduuc) iyo isku xidhka) b,c | Tuubada Daboolka API 5CT Dhumucda derbiga | Tuubada Daboolka API 5CT Nooca wax soo saarka dhammaadka | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | kg/m | mm | H40 | J55 | M65 | L80 | N80 | C90d | P110 | Q125d | ||
| In | Lub/ft | K55 | C95 | 1, Q | T95d | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 9-5-8 | 32.3 | 244.48 | 48.07 | 7.92 | S | - | - | - | - | - | - | - |
| 9-5-8 | 36 | 244.48 | 53.57 | 8.94 | S | SLB | SLB | - | - | - | - | - |
| 9-5-8 | 40 | 244.48 | 59.53 | 10.03 | - | SLB | SLB | LB | LB | LB | - | - |
| 9-5-8 | 43.5 | 244.48 | 64.73 | 11.05 | - | - | LB | LB | LB | LB | LB | - |
| 9-5-8 | 47 | 244.48 | 69.94 | 11.99 | - | - | LB | LB | LB | LB | LB | LB |
| 9-5-8 | 53.5 | 244.48 | 79.62 | 13.84 | - | - | - | LB | LB | LB | LB | LB |
| 9-5-8 | 58.4 | 244.48 | 86.91 | 15.11 | - | - | - | LB | LB | LB | LB | LB |
| 10-3-4 | 32.75 | 273.05 | 48.74 | 7.09 | S | - | - | - | - | - | - | - |
| 10-3-4 | 40.5 | 273.05 | 60.27 | 8.89 | S | SB | SB | - | - | - | - | - |
| 10-3-4 | 45.5 | 273.05 | 67.71 | 10.16 | - | SB | SB | - | - | - | - | - |
| 10-3-4 | 51 | 273.05 | 75.9 | 11.43 | - | SB | SB | SB | SB | SB | SB | - |
| 10-3-4 | 55.5 | 273.05 | 82.59 | 12.57 | - | - | SB | SB | SB | SB | SB | - |
| 10-3-4 | 60.7 | 273.05 | 90.33 | 13.84 | - | - | - | - | - | SB | SB | SB |
| 10-3-4 | 65.7 | 273.05 | 97.77 | 15.11 | - | - | - | - | - | SB | SB | SB |
| 11-3-4 | 42 | 298.45 | 62.5 | 8.46 | S | - | - | - | - | - | - | - |
| 11-3-4 | 47 | 298.45 | 69.94 | 9.53 | - | SB | SB | - | - | - | - | - |
| 11-3-4 | 54 | 298.45 | 80.36 | 11.05 | - | SB | SB | - | - | - | - | - |
| 11-3-4 | 60 | 298.45 | 89.29 | 12.42 | - | SB | SB | SB | SB | SB | SB | SB |
| 13-3-8 | 48 | 339.72 | 71.43 | 8.38 | S | - | - | - | - | - | - | - |
| 13-3-8 | 54.5 | 339.72 | 81.1 | 9.65 | - | SB | SB | - | - | - | - | - |
| 13-3-8 | 61 | 339.72 | 90.78 | 10.92 | - | SB | SB | - | - | - | - | - |
| 13-3-8 | 68 | 339.72 | 101.19 | 12.19 | - | SB | SB | SB | SB | SB | SB | - |
| 13-3-8 | 72 | 339.72 | 107.15 | 13.06 | - | - | - | SB | SB | SB | SB | SB |
| 16 | 65 | 406.4 | 96.73 | 9.53 | S | - | - | - | - | - | - | - |
| 16 | 75 | 406.4 | 111.61 | 11.13 | - | SB | SB | - | - | - | - | - |
| 16 | 84 | 406.4 | 125.01 | 12.57 | - | SB | SB | - | - | - | - | - |
| 18-5-8 | 87.5 | 473.08 | 130.21 | 11.05 | S | SB | SB | - | - | - | - | - |
| 20 | 94 | 508 | 139.89 | 11.13 | SL | SLB | SLB | - | - | - | - | - |
| 20 | 106.5 | 508 | 158.49 | 12.7 | - | SLB | SLB | - | - | - | - | - |
| 20 | 133 | 508 | 197.93 | 16.13 | - | SLB | - | - | - | - | - | - |
| S-Duub wareegsan oo gaaban, L-Duub wareegsan oo dheer, dun B-Buttress ah | ||||||||||||
| a. Koodhka waxaa loo isticmaalaa tixraaca dalbashada. | ||||||||||||
| b. Miisaanka magacaaban ee sanduuqa dunta leh iyo kan isku xiran (tiirka 2) waxaa loo muujiyay tixraac ahaan oo keliya. | ||||||||||||
| c. Birta Martensitic chromium (L80 9Cr iyo 13Cr) way ka duwan tahay birta kaarboonka cufnaanta. Miisaanka la muujiyay ee birta martensitic chromium ma aha qiime sax ah. Qodobka sixitaanka cufka 0.989 waa la isticmaali karaa. | ||||||||||||
| d. Qalabka birta ah ee heerka C90, T95 iyo Q125 waa in la bixiyaa iyadoo loo eegayo qeexitaanka, miisaanka iyo dhumucda derbiga ee ku qoran jadwalka ama kala horreynta kor ku xusan. | ||||||||||||
Halabuurka Kiimikada API 5CT K55
| Koox | Fasal | Nooca | C | Mn | Mo | Cr | Waa ugu badnaan. | Cu ugu badnaan. | P ugu badnaan. | S ugu badnaan. | Si ugu badan. | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ugu yaraan. | ugu badnaan. | ugu yaraan. | ugu badnaan. | ugu yaraan. | ugu badnaan. | ugu yaraan. | ugu badnaan. | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 1 | H40 | - | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - |
| J55 | - | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |
| K55 | - | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |
| N80 | 1 | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |
| N80 | Q | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |
| R95 | - | - | 0.45 c | - | 1.9 | - | - | - | - | - | - | 0.03 | 0.03 | 0.45 | |
| 2 | M65 | - | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - |
| L80 | 1 | - | 0.43 a | - | 1.9 | - | - | - | - | 0.25 | 0.35 | 0.03 | 0.03 | 0.45 | |
| L80 | 9Cr | - | 0.15 | 0.3 | 0.6 | 0.9 | 1.1 | 8 | 10 | 0.5 | 0.25 | 0.02 | 0.01 | 1 | |
| L80 | 13Cr | 0.15 | 0.22 | 0.25 | 1 | - | - | 12 | 14 | 0.5 | 0.25 | 0.02 | 0.01 | 1 | |
| C90 | 1 | - | 0.35 | - | 1.2 | 0.25 b | 0.85 | - | 1.5 | 0.99 | - | 0.02 | 0.01 | - | |
| T95 | 1 | - | 0.35 | - | 1.2 | 0.25 d | 0.85 | 0.4 | 1.5 | 0.99 | - | 0.02 | 0.01 | - | |
| C110 | - | - | 0.35 | - | 1.2 | 0.25 | 1 | 0.4 | 1.5 | 0.99 | - | 0.02 | 0.005 | - | |
| 3 | P110 | e | - | - | - | - | - | - | - | - | - | - | 0.030 e | 0.030 e | - |
| 4 | Q125 | 1 | - | 0.35 | 1.35 | - | 0.85 | - | 1.5 | 0.99 | - | 0.02 | 0.01 | - | |
| a Kaarboonka ku jira L80 waxaa la kordhin karaa ilaa 0.50% ugu badnaan haddii badeecaddu ay saliid damiso. b Waxyaabaha ku jira molybdenum ee Darajada C90 Nooca 1 ma laha dulqaad ugu yar haddii dhumucda derbigu ay ka yar tahay 17.78 mm. c Kaarboonka ku jira R95 waxaa la kordhin karaa ilaa 0.55% ugu badnaan haddii badeecadu ay saliid damiso. d Waxyaabaha ku jira molybdenum ee T95 Nooca 1 waxaa laga yaabaa in la dhimo ilaa 0.15% ugu yaraan haddii dhumucda derbigu ay ka yar tahay 17.78 mm. e Fasalka EW P110, maadada fosfooraska waa inay ahaataa ugu badnaan 0.020% halka maadada sulfur ay tahay ugu badnaan 0.010%. NL = xad la'aan. Walxaha la muujiyay waa in lagu soo sheegaa falanqaynta badeecada. | |||||||||||||||
API 5CT k55 Gr. Sifooyinka Farsamada
| Heerka Daboolka API 5CT | Nooca | Xoogga Tirtiridda ee API 5CT MPA | Xoogga Wax-soo-saarka Daboolka API 5CT MPA | Adkaysiga Daboolka API 5CT Ugu badnaan. |
|---|---|---|---|---|
| API GAAR AH 5CT | J55 | ≥517 | 379 ~ 552 | ---- |
| K55 | ≥517 | ≥655 | --- | |
| N80 | ≥689 | 552 ~ 758 | --- | |
| L80 (13Cr) | ≥655 | 552 ~ 655 | ≤241HB | |
| P110 | ≥862 | 758 ~ 965 | ---- |
Shirkaddu waxay muhiimad weyn siisaa tayada alaabta, waxayna si weyn u maalgelisaa soo bandhigidda qalabka iyo xirfadlayaasha casriga ah, waxayna dadaal badan u gashaa sidii ay u dabooli lahayd baahiyaha macaamiisha gudaha iyo dibadda.
Waxyaabaha ku jira waxaa si qiyaas ah loogu qaybin karaa: Halabuurka kiimikada, xoogga wax soo saarka, xoogga jiidista, hantida saameynta, iwm.
Isla mar ahaantaana, shirkaddu waxay sidoo kale samayn kartaa ogaanshaha cilladaha internetka iyo baabi'inta iyo hababka kale ee daaweynta kulaylka iyadoo loo eegayo baahiyaha macaamiisha.
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Tianjin YuantaiDerun Steel Manufacturing Group Co., Ltd.waa warshad tuubooyin bir ah oo ay shahaado siisayEN/ASTM/ JISKu takhasusay soo saarista iyo dhoofinta dhammaan noocyada tuubooyinka afargeeslaha ah ee laba jibbaaran, tuubooyinka galvanized, tuubooyinka alxanka ERW, tuubooyinka wareega, tuubooyinka alxanka ee hoostooda ku jira, tuubo toosan oo tolmo ah, tuubo aan kala go 'lahayn, gariiradda birta ee midabaysan, gariiradda birta galvanized iyo alaabada kale ee birta ah. Iyada oo leh gaadiid ku habboon, waxay 190 kiiloomitir u jirtaa Garoonka Caalamiga ah ee Beijing Capital iyo 80 kiiloomitir u jirta Tianjin Xingang.
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