Incamake y'imiyoboro y'icyuma ya ASTM A500 kare n'iya rectangular Intangiriro:
ASTM A500 ni ibipimo bisanzwe byo gukoresha imiyoboro y'icyuma cya karuboni ikozwe mu buryo bukonje kandi butarimo umugozi mu miterere kare, n'iy'urukiramende. Ibi bipimo bikubiyemo ubwoko butandukanye bw'imiyoboro y'icyuma cya karuboni ikoreshwa mu miterere, harimo n'iy'urukiramende n'iy'urukiramende.
| Igicuruzwa | Umuyoboro w'icyuma wa kare n'uwa mpandeshatu |
| Ibikoresho | Icyuma cya karuboni |
| Icyiciro | Q195 = A53 Icyiciro A Q235 = A500 Icyiciro A Q355 = A500 Icyiciro B Icyiciro C |
| Igisanzwe | GB/T 6728 ASTM A53, A500, A36 |
| Ubuso | Umukara wambaye ubusa/Umwirabura karemano Yashushanyije Ifite amavuta apfunyitse cyangwa atapfunyitse |
| Irangira | Impera zisanzwe |
| Ibisobanuro | OD: 20*20-500*500mm; 20*40-300*500mm Ubunini: 1.0-30.0mm Uburebure: 2-12m |
Uburyo bwo gukoresha umuyoboro w'icyuma ufite impande enye n'igice:
Umuyoboro w'icyuma w'ubwubatsi / ibikoresho by'ubwubatsi
Umuyoboro w'imiterere
Umuyoboro w'icyuma ukurikirana imiterere y'izuba

Isuzuma ry'Ubuziranenge bw'Imiyoboro y'Icyuma ya ASTM A500 ya Kare na Rectangular:
| Ibinyabutabire bya ASTM A500 | |||||
| Igipimo cy'icyuma | C (ntarengwa.)% | Mn (ntarengwa.)% | P (ntarengwa.)% | S (ntarengwa.)% | Umuringa (iminota)% |
| Icyiciro cya A | 0.3 | 1.4 | 0.045 | 0.045 | 0.18 |
| Icyiciro cya B | 0.3 | 1.4 | 0.045 | 0.045 | 0.18 |
| Icyiciro cya C | 0.27 | 1.4 | 0.045 | 0.045 | 0.18 |
| Kuri buri kugabanuka kwa 0.01 ku ijana munsi y’ingano ntarengwa yagenwe ya karuboni, kwiyongera kwa 0.06 ku ijana hejuru y’ingano ntarengwa yagenwe ya manganese byemewe, kugeza ku 1.50% hakoreshejwe isesengura ry’ubushyuhe na 1.60% hakoreshejwe isesengura ry’ibicuruzwa. | |||||
| Imiterere y'imiyoboro ifite ishusho y'imiterere | |||||
| Igipimo cy'icyuma | Imbaraga z'umusaruro MPa ntoya | Imbaraga zo gukurura MPa ntoya | Kurekura % ntoya | ||
| Icyiciro cya A | 270 | 310 | 25 ubugari bw'urukuta (T) bungana cyangwa burenga 3.05mm | ||
| Icyiciro cya B | 315 | 400 | 23 ubugari bw'urukuta (T) bungana cyangwa burenga 4.57mm | ||
| Icyiciro cya C | 345 | 425 | 21 ubugari bw'urukuta (T) bungana cyangwa burenga 3.05mm | ||
Igenzura ry’Ubuziranenge mu buryo Buhamye:
1) Mu gihe cyo gukora na nyuma yo gukora, abakozi 4 ba QC bafite uburambe bw'imyaka irenga 5 bagenzura ibicuruzwa mu buryo butunguranye.
2) Laboratwari yemewe n'igihugu ifite impamyabumenyi za CNAS
3) Igenzura ryemewe riturutse ku muntu wa gatatu washyizweho/wishyuwe n'umuguzi, nka SGS, BV.
4) Byemejwe na Maleziya, Indoneziya, Singapuru, Filipine, Ositaraliya, Peru n'Ubwongereza. Dufite UL / FM, ISO9001/18001, impamyabushobozi za FPC



Ibyerekeye twe:
Tianjin Youfa Steel Pipe Group Co., Ltd yashinzwe ku ya 1 Nyakanga 2000. Hari abakozi bagera ku 8000, inganda 9, imiyoboro 179 ikora imiyoboro y'ibyuma, laboratwari 3 zemewe ku rwego rw'igihugu, n'ikigo kimwe cy'ikoranabuhanga ry'ubucuruzi cyemewe na leta ya Tianjin.
Imiyoboro 31 y'icyuma ikoze mu buryo bwa kare n'ubw'urukiramende
Inganda:
Tianjin Youfa Dezhong Steel Pipe Co., Ltd;
Handan Youfa Steel Pipe Co., Ltd;
Shanxi Youfa Steel Pipe Co., Ltd

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Umuyoboro w'icyuma cya kare gishyirwamo imirasire y'izuba
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