Heerarka API 5L iyo ASTM A53:Heerarkani waxay hubinayaan in tuubada birta ahi ay buuxiso shuruudaha gaarka ah ee loogu talagalay isticmaalka warshadaha saliidda iyo gaaska, iyo sidoo kale isticmaalka guud ee codsiyada farsamada iyo cadaadiska.
Darajada B:Magacaabista "Darajada B" waxay muujinaysaa xoogga iyo sifooyinka farsamada ee tuubada birta ah, iyadoo leh shuruudo gaar ah oo loogu talagalay xoogga wax soo saarka, xoogga jiidista, iyo sifooyinka saameynta.
| API 5L PSL1 Tuubooyinka Birta ee la alxanka leh Fasalka B | |||||
| Halabuurka Kiimikada | Sifooyinka Farsamada | ||||
| C (ugu badnaan)% | Mn (ugu badnaan)% | P (ugu badnaan)% | S (ugu badnaan)% | Xoogga wax soo saarka ugu yaraan MPa | Xoogga jiidista ugu yaraan MPa |
| 0.26 | 1.2 | 0.03 | 0.03 | 241 | 414 |
Alxanka SAW:Tuubada waxaa lagu sameeyaa habka Alxanka Arc-ga ee Submerged (SAW), kaas oo ku lug leh sameynta tolmo alxan ah iyadoo la adeegsanayo habka alxanka arc-ga ee joogtada ah ee hoos yimaada. Habkani waxaa loo yaqaanaa soo saarista alxan tayo sare leh oo isku mid ah.
Dhammaystirka Madow ee Rinjiyeysan:Dhammaystirka madow ee rinjiga leh wuxuu bixiyaa iska caabin daxalka wuxuuna kor u qaadaa muuqaalka bilicda ee tuubada birta ah. Rinjigu wuxuu sidoo kale ka caawiyaa ilaalinta tuubada inta lagu jiro kaydinta iyo rarista.
Codsiyada:API 5L ASTM A53 Heerka B ee Tuubooyinka Birta ee la Bilaabay ee Madow ee Rinjiga leh ee loo yaqaan 'SAW' waxaa badanaa loo isticmaalaa codsiyo kala duwan, oo ay ku jiraan dhuumaha gudbinta saliidda iyo gaaska, taageerada dhismaha ee dhismaha, iyo codsiyada kale ee warshadaha iyo farsamada.
| Badeecada | ASTM A53 API 5L oo ah tuubo bir ah oo wareegsan | Faahfaahinta |
| Alaab | Bir Kaarboon ah | OD 219-2020mm Dhumucda: 7.0-20.0mm Dhererka: 6-12m |
| Fasal | Q235 = A53 Fasalka B / A500 Fasalka A Q345 = A500 Fasalka B Fasalka C | |
| Heerka Caadiga ah | GB/T9711-2011API 5L, ASTM A53, A36, ASTM A252 | Codsiga: |
| Dusha sare | Madow oo la rinjiyeeyay AMA 3PE | Saliid, tuubo xariiq ah Tuubada Tuubada |
| Dhammaadyada | Cidhifyo siman ama cidhifyo godan | |
| koofiyado leh ama aan lahayn |

Xakamaynta Tayada Adag:
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.



Nagu saabsan:
Shirkadda Tianjin Youfa Steel Pipe Group Co., Ltd waxaa la aasaasay Luulyo 1, 2000. Waxaa jira ilaa 8000 oo shaqaale ah, 9 warshadood, 179 khadad wax soo saar oo tuubooyin bir ah, 3 shaybaar oo qaran oo la aqoonsan yahay, iyo 1 xarun tignoolajiyada ganacsiga oo ay dowladdu aqoonsan tahay oo Tianjin.

9 Khadad wax soo saar tuubooyin bir ah oo SSAW ah
Warshadaha: Tianjin Youfa Pipeline Technology Co.,Ltd
Handan Youfa Steel Pipe Co., Ltd;
Wax soo saarka Bishii: qiyaastii 20000Tons
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