TIANJIN YOUFA STEEL PIPE GROUP CO LTD.
Kooxda tuubooyinka birta ah ee Tianjin Youfa waxaa la aasaasay Luulyo 1, 2000, iyadoo xarunteedu ay ku taal saldhigga wax soo saarka tuubooyinka alxanka ugu weyn ee Shiinaha-Deegaanka Daqiuzhuang, magaalada Tianjin, oo ah shirkad soo saarta tuubooyinka birta ee baaxadda weyn oo soo saarta noocyo badan oo alaab tuubooyin ah.BUUBO BIR AH OO LAGU DARAY,ERW STEE LPIPE,Tuubo bir ah oo afargeesle iyo afargeesle ah, DUUBISTA LABAAD EE LA DHARAY,Tuubooyinka Birta ah ee Wareega,BUUBO BIR AH OO AAN JIRAYN,SKAFFOLDING, IYOTUUBOOYINKA KU JIRA. waxaa loo qiimeeyay inay yihiin 500 oo shirkadood oo ugu sarreeya Shiinaha isla warshadahaas, iyo 500-ka shirkadood ee ugu sarreeya wax soo saarka Shiinaha.
Shirkadda Youfa waxaa bishii Maarso 2008 u aqoonsatay inay tahay summad caan ka ah Shiinaha iyadoo kaashanaysa xafiiska calaamadaha ganacsiga ee SAIC.
Hordhac kooban oo ku saabsan Tuubooyinka Birta Kaarboon ee ASTM A53:
| Badeecada | ASTM A53 Kaarboon Steel tuuboyin |
| Alaab | Bir Kaarboon ah |
| Fasal | A53 Darajada A = Q195 / S195 A53 Heerka B =Q235 / S235 |
| Heerka Caadiga ah | ASTM A53, ASTM A500, A36, ASTM A795GB/T3091, GB/T13793 |
ASTM A53 waa qeexitaan caadi ah oo loogu talagalay tuubooyinka birta galvanized ee madow iyo kuwa kulul ee aan kala go 'lahayn oo la alxamay. Tuubada birta kaarboon ee ASTM A53 waxaa badanaa loo isticmaalaa goobaha warshadaha iyo dhismaha si loogu gudbiyo gaaska, biyaha, saliidda, iyo dareerayaasha kale.
Codsiyada Tuubooyinka Birta Kaarboon ASTM A53:
Dhismaha / qalabka dhismaha tuubo bir ah
Tuubo bir ah oo deyrka leh
tuubo bir ah oo ilaalinaysa dabka
tuubo bir ah oo aqalka dhirta lagu koriyo ah
Dareere cadaadis hooseeya, biyo, gaas, saliid, tuubo xariiq ah
Tuubada waraabka
Tuubada gacanta lagu qabto
Noocyada Tuubooyinka Birta Kaarboon ASTM A53:
Farsamo: ERW oo la alxamay ama aan kala go 'lahayn
Dahaarka Zinc: celcelis ahaan 30um (220g/m2) iyo dahaarka zinc-ka oo sarreeya oo la habeeyay ilaa 80um.
Dhammaadka Tuubooyinka: Caadi ah, ama jeexan, ama dun la mariyey.

Farsamo: ERW Alxan leh
Dusha sare: Madow dabiici ah; ama saliid yar leh; ama Midab rinjiyeysan
Dhammaadka Tuubooyinka: Googoos ama Banaan
Farsamo: SAW Alxan
Dusha sare: Madow dabiici ah; ama Galvanized; ama 3PE FBE
Dhammaadka Tuubooyinka: Dhammaadka godan
Farsamo: Si aan kala go 'lahayn oo kulul loo duubay
Dusha sare: Madow dabiici ah; ama Madow rinjiyeysan; ama 3PE FBE; ama Galvanized
Dhammaadka Tuubooyinka: Dhammaadka Caadiga ah ama Goosan
Shaxda Cabbirka Tuubada Birta Kaarboon ee Heerka ASTM:
| DN | OD | ASTM A53 / API 5L / ASTM A795 | |||
| SCH10S | STD SCH40 | SCH80 | |||
| MM | INJI | MM | MM | MM | |
| 15 | 21.3 | 1/2" | 2.11 | 2.77 | 3.73 |
| 20 | 26.7 | 3/4" | 2.11 | 2.87 | 3.91 |
| 25 | 33.4 | 1" | 2.77 | 3.38 | 4.55 |
| 32 | 42.2 | 1-1/4" | 2.77 | 3.56 | 4.85 |
| 40 | 48.3 | 1-1/2" | 2.77 | 3.68 | 5.08 |
| 50 | 60.3 | 2" | 2.77 | 3.91 | 5.54 |
| 65 | 73 | 2-1/2" | 3.05 | 5.16 | 7.01 |
| 80 | 88.9 | 3" | 3.05 | 5.49 | 7.62 |
| 90 | 101.6 | 3-1/2" | 3.05 | 5.74 | 8.08 |
| 100 | 114.3 | 4" | 3.05 | 6.02 | 8.56 |
| 125 | 141.3 | 5" | 3.4 | 6.55 | 9.53 |
| 150 | 168.3 | 6" | 3.4 | 7.11 | 10.97 |
| 200 | 219.1 | 8" | 3.76 | 8.18 | 12.7 |
| 250 | 273.1 | 10" | 4.19 | 9.27 | 15.09 |
Daaweynta Dhammaadka Tuubada Birta ASTM A53:
*LABADA DAMBE EE LA MIDEEYAY (BS ama ASTM standard) Dhan walba oo leh dabool balaastig ah, iyo daraf kale oo leh isku xidhnaan;
*DHAMMADAHA LA DUUBAY;
*DHAMAATO CAADI AH (xaalad caadi ah);
*QORXA BEVEL WAXAY KU DHAMMAATAA DABOOLLO BALASTIK AH (30 darajo oo ku habboon alxanka) ama aan lahayn dabool.
Youfa Carbon Steel Tube Xakamaynta Tayada ee Adag iyo Shahaadooyinka:
1) Inta lagu jiro iyo ka dib wax soo saarka, 4 shaqaale QC ah oo khibrad u leh in ka badan 5 sano ayaa si aan kala sooc lahayn u baara alaabada.
2) Shaybaar qaran oo la aqoonsan yahay oo leh shahaadooyinka CNAS
3) Kormeer la aqbali karo oo ka yimaada dhinac saddexaad oo uu magacaabay/lacag ka bixiyay iibsadaha, sida SGS, BV.
4) Waxaa ansixiyay Malaysia, Indonesia, Singapore, Filibiin, Australia, Peru iyo UK. Waxaan leenahay shahaadooyinka UL /FM, ISO9001/18001, FPC, CE.
Bixinta Tuubooyinka Birta Kaarboon: -- Tuubo godan oo wareegsan
1. OD 219mm iyo ka hooseeya Xirmooyin badda oo lix geesood ah oo lagu buuxiyay xargo bir ah, oo leh laba xargo nayloon ah oo loogu talagalay xidhmo kasta
2. ka sarreeya OD 219mm oo badan ama sida waafaqsan ra'yiga gaarka ah
3. 25 tan/weelka iyo 5 tan/cabbirka dalabka tijaabada ah;
4. Weelka 20" dhererka ugu badan waa 5.8m;
5. Weelka 40" dhererka ugu badan waa11.8m.
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