Paerewa: JIS G3444, ASTM A53 ASTM A795 me EN10219 EN10255 EN39 BS1387 BS1139.
Mō ētahi atu wāhanga porowhita, whakapā mai ki a mātou.
Ko te kupu RHS e tohu ana iWāhanga Pokapū Tapawhā.
Ko te SHS te tikangaWāhanga Poka Tapawhā.
Kāore i te tino mōhiotia te kupu CHS, ko tōna tikanga tēneiWāhanga Pokarekare Porowhita.
I te ao hangarau me te hanga, he maha ngā wā ka whakamahia ngā kupu whakarāpopoto RHS, SHS me CHS. He mea tino kitea tēnei i te United Kingdom me ngā whenua e pā ana ki a ia, tae atu ki Ahitereiria me Aotearoa.
E whakamahia whānuitia ana ēnei kupu hei whakaahua i te maitai ngawari; heoi, ka taea hoki e ngā miihini e mōhio ana ki ngā kupu te whakamāori mō te hangarau me te hanga o te maitai kore waikura me te konumohe.
Ko te Wāhanga Poka Tapawhā He kōtaha maitai tapawhā me te wāhanga poka tapawhā puta noa i tōna roa, e whakamahia ana i roto i te whānuitanga o ngā kaupapa hanga me te hangarau. Ko ngā Wāhanga Poka Tapawhā (RHS) e mōhiotia ana ko te wāhanga poka matao, ko te wāhanga pouaka rānei.
He whānuitanga o ngā whakaritenga mō ngā wāhanga poraka tapawhā rite e tukuna ana e Youfa ki te tata ki te 100 whenua me ngā rohe. Ko ngā wāhanga poraka RHS waitohu Youfa kua whakamanahia ki te ISO 9001, ISO 18001, FPC me te CE, e tutuki ana i ngā whakaritenga o te JIS G3466, ASTM A500 me te EN10219.
| Diameter o Waho | WT |
| (mm) | (mm) |
| 20*40 30*40 | 1.2-3.75 |
| 30*50 25*50 30*60 40*60 | 1.2-4.75 |
| 50*70 40*80 40*50 | 1.2-5.75 |
| 60*80 50*80 100*40 | 1.5-5.75 |
| 60*100 50*100 120*60 100*80 | 1.5-8.0 |
| 120*80 | 1.7-8.0 |
| 160*80 100*150 140*80 | 2.5-10.0 |
| 100*180 200*100 | 2.5-10.0 |
| 200*150 | 3.5-12.0 |
| 250*150 | 3.5-12.0 |
| 250*200 300*200 | 4.5-15.75 |
| 350*200 350*250 | 4.5-15.75 |
| 450*250 400*300 500*200 | 4.5-15.75 |
| 400*350 400*250 500*250 | 4.5-20.0 |
| 500*300 400*600 | |
| Ētahi atu wāhanga tapawhā rite ki te taha rawhiti,whakapā mai ki a mātounoa. | |
Ko ngā Wāhanga Poka Tapawhā (SHS), e mōhiotia ana ko te wāhanga poka matao, ko te wāhanga pouaka rānei, tētahi o ngā rauemi hanga whare tino maha ngā whakamahinga i roto i te umanga hanga. E wātea ana i te nuinga o te wā i roto i te roa 5.8 mita me te 6 mita i roto i te Taumata A Taumata B, S235 S195; I runga i te nui o te ota, kei te wātea ētahi atu roa me te Taumata C, S355, ētahi atu taumata rānei. Hei tāu mōhio, ko te Kg/m e pā ana ki ngā Kirokaramu mō ia Mita o te wāhanga, hei tauira, ko te roa 6.0 Mita o te 50 x 50 x 3mm (SHS) o te Wāhanga Poka Tapawhā Rino (4.49 Kg/m) ko te taumaha matapae (6 x 4.49) 26.94 Kg te Tapeke.
Ka tohatoha, ka hanga hoki ngā wheketere paipa maitai o Youfa i ngā whakatakotoranga wāhanga poraka tapawhā mai i te 20x20mm ki te 400x400mm, ā, ko te nuinga ka kaweake ki Āhia ki te Tonga-mā-rāwhiti, Āhia ki te Rāwhiti, Amerika Waenga me Amerika ki te Tonga, Te Rawhiti-mā-rāwhiti me Āwherika. Ko ngā wāhanga poraka SHS waitohu Youfa kua whakamanahia ki te ISO, FPC me te CE, e tutuki ana i ngā whakaritenga JIS G3466, ASTM A500 me te EN10219.
| Diameter o Waho | WT |
| (mm) | (mm) |
| 20*20 | 1.7-2.75 |
| 25*25 | 1.2-3.0 |
| 30*30 | 1.2-3.75 |
| 40*40 50*50 | 1.2-4.75 |
| 60*60 | 1.2-5.75 |
| 70*70 | 1.5-5.75 |
| 80*80 75*75 90*90 | 1.5-8.0 |
| 100*100 | 1.7-8.0 |
| 120*120 | 2.5-10.0 |
| 140*140 150*150 | 2.5-10.0 |
| 160*160 180*180 | 3.5-12.0 |
| 200*200 | 3.5-12.0 |
| 250*250 | 4.5-15.75 |
| 300*300 | 4.5-15.75 |
| 350*350 | 4.5-15.75 |
| 400*400 280*280 | 4.5-20.0 |
| Ētahi atu wāhanga poraka tapawhā,whakapā mai ki a mātounoa. | |
Ko te Wāhanga Porowhita Kore (CHS) he wāhanga kohao matao, he wāhanga pouaka rānei, he kōtaha maitai kohao te āhua, he rite ki te ngongo porowhita, ki te paipa rānei. E wātea ana i te nuinga o te wā i roto i te roa 5.8 mita me te 6 mita i roto i te Wāhanga A Wāhanga B, S235 S195; I runga i te nui o te ota, kei te wātea ētahi atu roa me te Wāhanga C, S355 me ētahi atu momo rānei.
Taumaha ariā Kg/m = (Diameter o waho - WT) * WT * 0.0246615
Ka tohatohahia, ka hangaia hoki e ngā wheketere paipa maitai o Youfa ngā whakaritenga mō ngā wāhanga porowhita tuwhera mai i te 21mm ki te 273mm, ā, he hokohoko nui ki te kāinga me tāwāhi. Ko ngā wāhanga tuwhera CHS waitohu Youfa kua whakamanahia ki te ISO, UL me te CE.
Tūtohi Rahi Wāhanga Pokarekare/Porowhita
| OD mm (inihi): WT mm 21.3mm(1/2"): 1.5-2.75 (SCH10S / STD / SCH40) 26.7mm(3/4"): 1.5-3.25 (SCH10S / STD / SCH40) 33.4mm(1"): 1.8-4.0 (SCH10S / STD / SCH40) 42.3mm(1 1/4"): 1.8-4.0 (SCH10S / STD / SCH40) 48.3mm(1 1/2"): 1.8-7.0 (SCH10S / STD / SCH40 / XS / SCH80 / SCH160) 57mm: 1.8-7.0 60.3mm(2"): 1.8-7.0 (SCH10S / STD / SCH40 / XS / SCH80) 73-76mm(2 1/2"):2.5-7.0 (SCH10S / STD / SCH40 / XS / SCH80) 88.9mm(3"): 2.0-8.0 (SCH10S / STD / SCH40 / XS / SCH80) 102mm(3 1/2") : 2.3-9.0 (SCH10S / STD / SCH40 / XS / SCH80) 108mm: 2.2-9.0 114.3mm(4"): 2.0-9.0 (SCH10S / STD / SCH40 / XS / SCH80) 121-127mm: 2.5-11.0 133mm: 2.75-9.75 140mm(5"): 2.5-10.0 (SCH10S / STD / SCH40 / XS / SCH80) 152-159mm: 2.5-10.0 165-168mm(6"): 2.5-10.0 (SCH10S / STD / SCH40) 180-216mm: 2.75-11.5 219mm(8"): 2.75-12.0 (SCH10S / SCH20 / SCH30 / STD / SCH40 / SCH60) 273mm(10"): 5.0-12.0 (SCH20 / SCH30 / STD / SCH40) |
Wā tuku: Maehe-03-2022