Hoʻohana pinepine ʻia nā ʻāpana ʻāpana huinahā a me nā ʻāpana huinahā i hana ʻia mai ke kila māmā Q235 i ke kūkulu hale ʻana, nā ʻano hana kākoʻo, a me nā noi kuhikuhipuʻuone. Ua ʻike ʻia kēia mau ʻāpana no ko lākou kūpaʻa, ka maʻalahi o ka hana ʻana, a me ke kūpono no nā ʻano hana kuʻi a me ke kūkulu ʻana. Hōʻike ka hoʻolālā Q235 ua hana ʻia ke kila mai ke kila kalapona māmā.
| Huahana | Paipu kila huinahā a me ka huinahā |
| Mea Hana | Ke kila kalapona |
| Papa | Q195 = S195 / A53 Papa A Q235 = S235 / A53 Papa B / A500 Papa A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Papa B Papa C |
| Kūlana Maʻamau | DIN 2440, ISO 65, EN10219,GB/T 6728, JIS G3444 / G3466,ASTM A500, A36 |
| ʻIli | ʻEleʻele ʻōlohelohe/maoliPena ʻia ʻAila ʻia me ka ʻōwili ʻole ʻia a i ʻole me ka ʻole |
| Pau | Nā wēlau maʻemaʻe |
| Nā kikoʻī | OD: 20*20-500*500mm; 20*40-300*500mm Mānoanoa: 1.0-30.0mm Lōʻihi: 2-12m |
| ʻAno kemika | Nā waiwai mechanical, WT≤16mm | ||||||||
| Kūlana Maʻamau | Papa kila | C (max.)% | Si (max.)% | Mn (max.)% | P (max.)% | S (max.)% | Ka loaʻa kālā haʻahaʻa loa ikaika MPa | Ikaika tensile MPa | Ka hoʻolōʻihi iki ʻana % |
| GB/T 700-2006 | Q235A | 0.22 | 0.35 | 1.4 | 0.045 | 0.05 | 235 | 370-500 | 26 |
| GB/T 700-2006 | Q235B | 0.2 | 0.35 | 1.4 | 0.045 | 0.045 | 235 | 370-500 | 26 |
Noi:
Paipu kila no nā mea hana hale / hale
Paipu kūkulu
Paipu kila pou pā
Nā ʻāpana kau ʻana o ka lā
Paipu lima

Ka Mana Kūlana Koʻikoʻi:
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



E pili ana iā mākou:
Ua hoʻokumu ʻia ʻo Tianjin Youfa ma Iulai 1, 2000. Aia ma kahi o 9000 mau limahana, 11 mau hale hana, 193 mau laina hana paipu kila, 3 keʻena hoʻokolohua i ʻae ʻia e ka ʻāina, a me 1 kikowaena ʻenehana ʻoihana i ʻae ʻia e ke aupuni Tianjin.
31 mau laina hana paipu kila huinahā a me ka huinahā
Nā Hale Hana:
Tianjin Youfa Dezhong Steel Pipe Co., Ltd;
ʻO Handan Youfa Steel Pipe Co., Ltd;
ʻO Shanxi Youfa Steel Pipe Co., Ltd.

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