ʻO ASTM A500 Square a me Rectangular Steel Pipes nā hoʻolauna pōkole:
ʻO ka ASTM A500 kahi kikoʻī maʻamau no ka hoʻoheheʻe ʻia ʻana i ke anuanu a me ka seamless carbon steel structural tubing ma ka huinaha, a me nā ʻano ʻāpana ʻehā. Hoʻopili kēia kikoʻī i nā māka like ʻole o ka paipu kila kalapona no nā hana hoʻolālā, me nā ʻano huinaha a me nā ʻāpana ʻehā.
| Huahana | Paipu kila huinaha a me Rectangular |
| Mea waiwai | ʻO ka hao hao |
| Papa | Q195 = A53 Papa A Q235 = A500 Papa A Q355 = A500 Papa B Papa C |
| Kūlana | GB/T 6728 ASTM A53, A500, A36 |
| Ili | ʻeleʻele/ʻeleʻele maoli Pena ʻaila ʻia me ka ʻōwili ʻole ʻia |
| Hoʻopau | Hoʻopau maʻamau |
| Hōʻike | OD: 20*20-500*500mm ; 20*40-300*500mm Mānoanoa: 1.0-30.0mm Ka lōʻihi: 2-12m |
Paha a me Rectangular Steel Tube Application:
ʻO nā mea kūkulu / kūkulu hale paipu kila
Paipu hale
Paipu kila kila tracker solar
ASTM A500 Square a me Rectangular Steel Pipes Quality Test:
| ʻO ASTM A500 Ka Hui Kimia | |||||
| Papa kila | C (ka nui)% | Mn (ka nui)% | P (ka nui)% | S (ka nui)% | keleawe (min.)% |
| Papa A | 0.3 | 1.4 | 0.045 | 0.045 | 0.18 |
| Papa B | 0.3 | 1.4 | 0.045 | 0.045 | 0.18 |
| Papa C | 0.27 | 1.4 | 0.045 | 0.045 | 0.18 |
| No kēlā me kēia hōʻemi o 0.01 pakeneka ma lalo o ka palena kiʻekiʻe no ke kalapona, hiki ke hoʻonui ʻia he 0.06 pakeneka ma luna o ka palena kiʻekiʻe loa no ka manganese, a hiki i ka palena kiʻekiʻe o 1.50 % ma ka nānā ʻana i ka wela a me ka 1.60 % ma ka nānā ʻana i nā huahana. | |||||
| Nā Pono Mechanical Tubing Kūleʻa | |||||
| Papa kila | E hāʻawi i ka ikaika min. MPa | Ka ikaika tensile min. MPa | ʻO ka elongation min. % | ||
| Papa A | 270 | 310 | 25 ka mānoanoa o ka pā (T) like a i ʻole ʻoi aku ma mua o 3.05mm | ||
| Papa B | 315 | 400 | 23 ka mānoanoa o ka pā (T) like a oi aku paha ma mua o 4.57mm | ||
| Papa C | 345 | 425 | 21 ka mānoanoa o ka pā (T) like a i ʻole ʻoi aku ma mua o 3.05mm | ||
Mana Koʻikoʻi Koʻikoʻi:
1) I ka wā a ma hope o ka hana ʻana, 4 mau limahana QC me ka ʻoi aku o 5 mau makahiki e ʻike i nā huahana ma ke ʻano maʻamau.
2) Keʻena hoʻokolohua ʻae ʻia me nā palapala CNAS
3) ʻAe ʻia ka nānā ʻana mai ka ʻaoʻao ʻekolu i koho ʻia / uku ʻia e ka mea kūʻai aku, e like me SGS, BV.
4) Apono ʻia e Malaysia, Indonesia, Singapore, Philippines, Australia, Peru a me UK. Loaʻa iā mākou nā palapala UL / FM, ISO9001/18001, FPC
E pili ana iā mākou:
Ua hoʻokumu ʻia ʻo Tianjin Youfa Steel Pipe Group Co., Ltd ma Iulai 1st, 2000. Aia ma kahi o 8000 mau limahana, 9 hale hana, 179 mau laina hana paipu kila, 3 ʻāina ʻokoʻa i ʻae ʻia, a me 1 Tianjin aupuni accredited ʻenehana ʻenehana kikowaena.
31 huinaha a me rectangular kila paipu laina hana
hale hana:
Tianjin Youfa Dezhong Steel Pipe Co., Ltd;
Handan Youfa Steel Pipe Co., Ltd;
ʻO Shanxi Youfa Steel Pipe Co., Ltd
