Kuti tikwaniritse kukhutitsidwa kwamakasitomala, tili ndi gulu lathu lolimba kuti lipereke ntchito yathu yabwino koposa yonse yomwe imaphatikizapo kutsatsa, kugulitsa, kupanga, kupanga, kuwongolera, kulongedza, kusungirako katundu ndi zida za ASTM A53 Gi Welded ERW Pipes Mild Low Carbon Round Galvanized Steel Tube, Timatsata zopereka zothandizira ogula ndipo tikuyembekeza kupanga mayanjano anthawi yayitali, otetezeka, owona mtima komanso othandizana ndi ogula.Tikuyembekezera mwachidwi kuti muyime.
Kuti tikwaniritse kukhutitsidwa kwamakasitomala kumayembekezeredwa, tili ndi gulu lathu lolimba kuti lipereke ntchito yathu yabwino kwambiri yomwe imaphatikizapo kutsatsa, kugulitsa, kupanga, kupanga, kuwongolera bwino, kulongedza katundu, kusungirako katundu ndi katunduChitoliro cha Chitsulo cha Gi China ndi Mtengo wa Chitoliro Wokhala ndi malata, Kwa zaka zambiri, takhala tikutsatira mfundo ya kasitomala, yokhazikika, kuchita bwino, kugawana phindu.Tikukhulupirira, moona mtima komanso kufuna kwabwino, kukhala ndi mwayi wothandizira msika wanu wina.
| Mtundu | Zaukadaulo | Zakuthupi | Standard | Gulu | Kugwiritsa ntchito |
| Electric Resistance Welded (RW) chitoliro chachitsulo | Kuthamanga Kwambiri | Chitsulo cha Carbon | API 5L PSL1&PSL2 | GR.B,X42,X46,X52,X60,X65,X70, etc. | Kuyendetsa mafuta ndi gasi |
| Chithunzi cha ASTM A53 | G.A ,GR.B | Za Kapangidwe (Piling) | |||
| ASTM A252 | GR.1, GR.2,GR.3 | ||||
| Chithunzi cha EN10210 | S275JRH,S275J0H,S355J0H,S355J2H, etc. | ||||
| Chithunzi cha EN10219 | S275JRH,S275J0H,S355J0H,S355J2H, etc. | ||||
| Chithunzi cha JIS G3452 | SGP, etc | Mayendedwe a Low-pressure fluid | |||
| Chithunzi cha JIS G3454 | STPG370,STPG410, etc | Kuyendetsa kwa High-pressure fluid | |||
| Chithunzi cha JIS G3456 | STPG370,STPG410,STPG480, etc | kutentha zitsulo mipope |
Chitoliro choyitanidwa motere ndi cha ntchito yokakamiza pa kutentha kwapakati pa 350 ℃.
Chitoliro chopanda kanthu, zokutira zakuda kapena kuviika kotentha kwa zinki (zosinthidwa);
M'mitolo yokhala ndi gulaye ziwiri za thonje;
Zonsezi zimathera ndi otetezera mapeto;
Mapeto ang'onoang'ono, mathero a bevel (Pakafunika ndi wogula ndi S≤22mm, mapeto a chitoliro ayenera kugwedezeka, digiri: 30 ° (+5 ° ~ 0 °), ndipo makulidwe a khoma la muzu sakuchepetsedwa ndi <2.4 mm.);
Kuyika chizindikiro.
Gulu ndi Chemical Composition (％)
| Gulu | C≤ | Si≤ | Mn | P≤ | S≤ |
| Chithunzi cha STPG370 | 0.25 | 0.35 | 0.30-0.90 | 0.040 | 0.040 |
| Chithunzi cha STPG410 | 0.30 | 0.35 | 0.30-1.00 | 0.040 | 0.040 |
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| Gulu | Kulimba kwamakokedwe | Zokolola mphamvu | Elongation % | |||
| N/m㎡ | N/m㎡ | No.11 kapena No.12 zidutswa zoyesa | No. 5 zidutswa zoyesa | No. 4 mayeso chidutswa | ||
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| Longitudinal | Chodutsa | Longitudinal | Chodutsa | |
| Chithunzi cha STPG370 | 370 min | 215 min | 30 min | 25 min | 28 min | 23 min |
| Chithunzi cha STPG410 | 410 min | 245 min | 25 min | 20 min | 24 min | 19 min |
Kulekerera kwa OD ndi WT
| Gawo | Kulekerera pa OD | Kulekerera pa WT | ||
| Chitoliro chachitsulo chozizira cha ERW | 24A kapena pansi | +/- 0.3mm | Pafupi ndi 3 mm
3 mm kapena kuposa | +/- 0.3mm
+/- 10% |
| 32A kapena kupitirira | +/- 0.8% |
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| Kwa mapaipi a kukula mwadzina 350A kapena kupitilira apo, kulolerana kwa OD kumatha kutsimikiziridwa ndi kutalika kwa circumferential.Pankhaniyi, kulolerana kudzakhala +/- 0.5% | ||||
Kuti tikwaniritse kukhutitsidwa kwamakasitomala komwe timayembekezera, tili ndi gulu lathu lolimba kuti lipereke ntchito yathu yabwino koposa yonse yomwe imaphatikizapo kutsatsa, kugulitsa, kupanga, kupanga, kuwongolera, kulongedza, kusungira, kusungirako katundu ndi zida za Hot New Products ASTM A53 Gi Seamless Welded ERW Pipes. Mild Low Carbon Round Galvanized Steel Tube, Timatsata zopangira zophatikizira ogula ndipo tikuyembekeza kupanga mayanjano anthawi yayitali, otetezeka, owona mtima komanso othandizana ndi ogula.Tikuyembekezera mwachidwi kuti muyime.
Zatsopano Zatsopano ZotenthaChitoliro cha Chitsulo cha Gi China ndi Mtengo wa Chitoliro Wokhala ndi malata, Kwa zaka zambiri, takhala tikutsatira mfundo ya kasitomala, yokhazikika, kuchita bwino, kugawana phindu.Tikukhulupirira, moona mtima komanso kufuna kwabwino, kukhala ndi mwayi wothandizira msika wanu wina.
