ASTM A500 Square da Rectangular Steel Pipes Takaitaccen Gabatarwa:
ASTM A500 ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun yanayin sanyi ne waɗanda ba su da ƙarfi da kuma bututun tsari na carbon karfe a murabba'i, da siffofi na rectangular. Wannan ƙayyadaddun ya ƙunshi nau'o'i daban-daban na bututun ƙarfe na carbon don aikace-aikacen tsari, gami da murabba'i da siffofi na rectangular.
Samfura | Square da Rectangular Karfe bututu |
Kayan abu | Karfe Karfe |
Daraja | Q195 = A53 Darasi A Q235 = A500 Daraja A Q355 = A500 digiri na B Daraja C |
Daidaitawa | GB/T 6728 ASTM A53, A500, A36 |
Surface | Bare/Baƙar fata Fentin Mai da ko ba tare da nannade ba |
Ƙarshe | Ƙarshen fili |
Ƙayyadaddun bayanai | OD: 20 * 20-500 * 500mm; 20*40-300*500mm Kauri: 1.0-30.0mm Tsawon: 2-12m |
Aikace-aikacen bututun ƙarfe mai murabba'i da Rectangular:
Gina / kayan gini karfe bututu
Tsarin bututu
Solar tracker tsarin karfe bututu
Gwajin Ingancin Gwajin Ƙarfe na Ƙarfe na ASTM A500 da Rectangular:
ASTM A500 Chemical Composition | |||||
Karfe daraja | C (max.)% | Mn (max.)% | P (max.)% | S (max.)% | Copper (min.)% |
Darasi A | 0.3 | 1.4 | 0.045 | 0.045 | 0.18 |
Darasi B | 0.3 | 1.4 | 0.045 | 0.045 | 0.18 |
Darasi C | 0.27 | 1.4 | 0.045 | 0.045 | 0.18 |
Ga kowane raguwar maki 0.01 a ƙasa da ƙayyadaddun madaidaicin don carbon, an ba da izinin haɓaka madaidaicin maki 0.06 sama da iyakar ƙayyadaddun don manganese, har zuwa matsakaicin 1.50 % ta nazarin zafi da 1.60 % ta nazarin samfur. |
Siffar Tsarin Bututun Kayan Aikin Gina | |||||
Karfe daraja | Ƙarfin bayarwa min. MPa | Ƙarfin ƙarfi min. MPa | Tsawaitawa min. % | ||
Darasi A | 270 | 310 | 25 kaurin bango (T) daidai ko fiye da 3.05mm | ||
Darasi B | 315 | 400 | 23 kaurin bango (T) daidai ko fiye da 4.57mm | ||
Darasi C | 345 | 425 | 21 kaurin bango (T) daidai ko fiye da 3.05mm |
Ƙuntataccen Inganci:
1) A lokacin da kuma bayan samarwa, ma'aikatan 4 QC tare da fiye da shekaru 5 sun gwada samfurori a cikin bazuwar.
2) dakin gwaje-gwaje na ƙasa tare da takaddun shaida na CNAS
3) Amintaccen dubawa daga wani ɓangare na uku da aka zaɓa / biya ta mai siye, kamar SGS, BV.
4) Malesiya, Indonesia, Singapore, Philippines, Australia, Peru da UK sun amince da su. Mun mallaki UL / FM, ISO9001/18001, FPC takaddun shaida
Game da mu:
Tianjin Youfa Karfe bututu Group Co., Ltd da aka kafa a kan Yuli 1st, 2000. Akwai kaucewa game 8000 ma'aikata, 9 masana'antu, 179 karfe bututu samar Lines, 3 kasa yarda dakin gwaje-gwaje, da kuma 1 Tianjin gwamnati amince kasuwanci cibiyar fasaha.
31 square da rectangular karfe bututu samar Lines
Masana'antu:
Tianjin Youfa Dezhong Karfe Pipe Co., Ltd;
Handan Youfa Steel Pipe Co., Ltd;
Abubuwan da aka bayar na Shanxi Youfa Steel Pipe Co., Ltd