| Bidhaa | Bomba la Chuma la Kunyunyizia Moto |
| Nyenzo | Chuma cha Kaboni |
| Daraja | Q195 = S195 / A53 Daraja A Q235 = S235 / A53 Daraja B / A500 Daraja A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Daraja B Daraja C |
| Kiwango | ASTM A53, ASTM A500, A36, ASTM A795,ISO65, ANSI C80, DIN2440, JIS G3444,GB/T3091, GB/T13793 |
| Uso | Mipako ya zinki 200-500g/m2 (30-70um)OrRangi nyeusi / nyekundu iliyopakwa rangi |
| Mwisho | Ncha zenye mikunjo |
| na au bila kofia |
Udhibiti Mkali wa Ubora:
1) Wakati na baada ya uzalishaji, wafanyakazi 4 wa QC wenye uzoefu wa zaidi ya miaka 5 hukagua bidhaa bila mpangilio.
2) Maabara iliyoidhinishwa kitaifa yenye vyeti vya CNAS
3) Ukaguzi unaokubalika kutoka kwa mtu wa tatu aliyeteuliwa/aliyelipwa na mnunuzi, kama vile SGS, BV.
4) Imeidhinishwa na Malaysia, Indonesia, Singapore, Philippines, Australia, Peru na Uingereza. Tunamiliki vyeti vya UL / FM, ISO9001/18001, FPC.
| OD | DN | ASTM A53 A795 GRA / B | |
| SCH10S | STD SCH40 | ||
| INCHI | MM | (mm) | (mm) |
| 1/2” | 15 | 2.11 | 2.77 |
| 3/4” | 20 | 2.11 | 2.87 |
| 1” | 25 | 2.77 | 3.38 |
| Inchi 1-1/4 | 32 | 2.77 | 3.56 |
| Inchi 1-1/2 | 40 | 2.77 | 3.68 |
| Inchi 2 | 50 | 2.77 | 3.91 |
| Inchi 2-1/2 | 65 | 3.05 | 5.16 |
| Inchi 3 | 80 | 3.05 | 5.49 |
| Inchi 4 | 100 | 3.05 | 6.02 |
| Inchi 5 | 125 | 3.4 | 6.55 |
| Inchi 6 | 150 | 3.4 | 7.11 |
| Inchi 8 | 200 | 3.76 | 8.18 |
Kuhusu sisi:
Bomba la Chuma la Tianjin Youfa lilianzishwa mnamo Julai 1, 2000. Kuna wafanyakazi wapatao 9000, viwanda 11, mistari 193 ya uzalishaji wa mabomba ya chuma, maabara 3 zilizoidhinishwa kitaifa, na kituo 1 cha teknolojia ya biashara kilichoidhinishwa na serikali ya Tianjin.
Mistari 40 ya uzalishaji wa mabomba ya chuma yenye mabati ya moto
Viwanda:
Tianjin Youfa Steel Pipe Group Co.,Ltd. Tawi Nambari 1;
Tangshan Zhengyuan Steel Pipe Co., Ltd;
Handan Youfa Steel Bomba Co.,Ltd;
Shaanxi Youfa Steel Bomba Co., Ltd

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