ʻO TIANJIN YOUFA STEEL PIPE GROUP CO LTD.
Ua hoʻokumu ʻia ka hui paipu kila Tianjin Youfa ma Iulai 1st, 2000, me ke keʻena nui ma ke kumu hana paipu welded nui loa ma Kina-Daqiuzhuang Village, ke kūlanakauhale ʻo Tianjin, kahi ʻoihana hana paipu kila nui e hana ana i nā ʻano huahana paipu he nui.Paipu kila i hoʻoheheʻe ʻia,ʻO ka paipu kila kila ERW,Paipu kila huinahā a me huinahā, Paipu huinahā Galvanized,Nā Paipu Kila ʻŌwili,Paipu kila kila,ʻŌkuʻi, A MENā Mea Hoʻopaʻa Paipuua helu ʻia ʻo ia kekahi o nā ʻoihana 500 kiʻekiʻe loa o Kina ma ka ʻoihana like, a ʻo ia kekahi o nā ʻoihana hana 500 kiʻekiʻe loa o Kina.
Ua hōʻoia ʻia ka hōʻailona Youfa ma ke ʻano he hōʻailona kaulana Kina e ka ʻoihana hōʻailona kālepa SAIC i Malaki 2008.
Nā Hoʻolauna Pōkole o ka Paipu Kila Kalapona ASTM A53:
| Huahana | Paipu kila kalapona ASTM A53 |
| Mea Hana | Ke kila kalapona |
| Papa | Papa A53 A = Q195 / S195 Papa A53 B =Q235 / S235 |
| Kūlana Maʻamau | ASTM A53, ASTM A500, A36, ASTM A795GB/T3091, GB/T13793 |
ʻO ASTM A53 kahi kikoʻī maʻamau no ka paipu kila galvanized ʻeleʻele a wela i hoʻoluʻu ʻia a wili ʻia. Hoʻohana pinepine ʻia ka paipu kila kalapona ASTM A53 i nā wahi ʻoihana a me ke kūkulu ʻana no ka lawe ʻana i ke kinoea, ka wai, ka ʻaila, a me nā wai ʻē aʻe.
Nā noi no ka paipu kila kalapona ASTM A53:
Paipu kila no nā mea hana hale / hale
Paipu kila pou pā
Paipu kila pale ahi
Paipu kila hale ʻōmaʻomaʻo
Wai haʻahaʻa, wai, kinoea, ʻaila, paipu laina
Paipu hoʻoinu wai
Paipu lima
Nā ʻAno Paipu Kila Kalapona ASTM A53:
ʻenehana: ERW welded a i ʻole Seamless
Uhi zinc: 30um ma ka awelika (220g/m2) a me ka uhi zinc kiʻekiʻe i hoʻopilikino ʻia a hiki i ka 80um.
Nā Wāhi Paipu: Maʻemaʻe, a i ʻole Grooved, a i ʻole Threaded.

ʻenehana: ERW Welded
ʻIli: ʻEleʻele maoli; a i ʻole i poni iki ʻia; a i ʻole pena kala
Nā Wāhi Paipu: Grooved a Plain paha
ʻenehana: SAW Welded
ʻIli: ʻEleʻele maoli; a i ʻole Galvanized; a i ʻole 3PE FBE
Nā Wāhi Paipu: Nā Wāhi Beveled
ʻenehana: ʻōwili wela ʻia
ʻIli: ʻEleʻele maoli; a i ʻole pena ʻeleʻele ʻia; a i ʻole 3PE FBE; a i ʻole Galvanized
Nā Wāhi Paipu: Nā Wāhi Maʻemaʻe a Beveled paha
Ka Pakuhi Nui o ka Paipu Kila Kalapona ASTM Maʻamau:
| DN | OD | ASTM A53 / API 5L / ASTM A795 | |||
| SCH10S | STD SCH40 | SCH80 | |||
| MM | ʻĪNIHA | 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 |
ʻO ka mālama ʻana i nā hopena paipu kila ASTM A53:
*HOLO ʻIA NĀ WAHI ʻELUA (BS a i ʻole ASTM maʻamau) Hoʻokahi wēlau me ka pāpale plastik, a ʻo kekahi wēlau me ka hoʻopili ʻana;
*NĀ WELAU AWELA;
*PLAIN ENDS (kūlana maʻamau);
*HOʻOPAU ʻIA KA PĀPĀ ME NĀ PĀPĀ PLASTIK (ʻāpana pāpaʻi 30 kekelē kūpono no ka hoʻoheheʻe ʻana) a i ʻole me nā Pāpaʻi ʻole.
ʻO ka Youfa Carbon Steel Pipe ka Mana Hoʻomalu Kūlana Koʻikoʻi a me nā Palapala Hōʻoia:
1) I ka wā a ma hope o ka hana ʻana, 4 mau limahana QC me ka ʻoi aku o 5 mau makahiki o ka ʻike e nānā i nā huahana ma kahi random.
2) Keʻena hoʻokolohua i hōʻoia ʻia e ka ʻāina me nā palapala hōʻoia CNAS
3) Nānā ʻae ʻia mai ka ʻaoʻao ʻekolu i koho ʻia/uku ʻia e ka mea kūʻai, e like me SGS, BV.
4) Ua ʻāpono ʻia e Malekia, ʻInidonesia, Singapore, Pilipine, ʻAukekulelia, Peru a me UK. Loaʻa iā mākou nā palapala hōʻoia UL /FM, ISO9001/18001, FPC, CE.
Ka Hoʻouna ʻana i ka Paipu Kila Kalapona: -- Paipu ʻāpana hakahaka poepoe
1. OD 219mm a ma lalo I loko o nā pūʻolo kai hexagonal i hoʻopaʻa ʻia e nā ʻāpana kila, Me ʻelua mau kaula nylon no kēlā me kēia pūʻolo
2. ma luna o OD 219mm ma ka nui a i ʻole e like me ka manaʻo maʻamau
3. 25 tons/pahu a me 5 tons/nui no kahi kauoha hoʻāʻo;
4. No ka pahu 20" ʻo ka lōʻihi loa he 5.8m;
5. No ka pahu 40" ʻo ka lōʻihi loa11.8m.










