Chidule cha mapaipi a erw/hfw
ERW chitoliro ndi acronym kwa magetsi kukana welded zitsulo chitoliro, ndi HFW chitoliro akuimira mkulu-pafupipafupi kuwotcherera (HFW) zitsulo chitoliro & chubu. Mapaipi amapangidwa kuchokera ku koyilo yachitsulo ndipo msoko wowotcherera umayenda molingana ndi chitoliro. Ndipo ndi chimodzi mwa zida zomwe zimagwiritsidwa ntchito mosiyanasiyana pazaulimi, mafakitale, ndi ntchito zomanga. Njira yopangira chitoliro chachitsulo cha ERW imaphatikizapo HFW. ERW imakhudza kuwotcherera otsika, sing'anga, komanso pafupipafupi, pomwe HFW imakhala yapaipi yowotcherera yamagetsi pafupipafupi.
Mawonekedwe a mapaipi a erw/hfw
1. Poyerekeza ndi mitundu ina ya mapaipi owotcherera, mapaipi a ERW ndi okulirapo mu mphamvu.
2. Kuchita bwino kuposa mipope wamba yowotcherera komanso mtengo wotsika kuposa mapaipi opanda msoko.
3. Njira yopangira mapaipi a ERW ndi otetezeka kwambiri kuposa mapaipi ena owotcherera.
Parameter ya mapaipi a ERW/HFW
Gulu | API 5L GR.B, X80 PSL1 PSL2 AS1163 / 1074, BS1387, ISO65, JIS G3444 / 3445 / 3454 / 3452 API 5CT H40 J55 K55 L80-1 N80 P110 ASTM A53 G.A / GR.B, A252 GR.1 / GR.2 / GR.3 |
C250 / C250LO / C350 / C350LO / C450 / C450LO EN10219 / 10210 / 10217 / 10255 | |
P195GH / P235GH / P265GH STK290-STK540, STKM11A-STKM14C, STPG370 / STPG410 / S195T S235JRH, S275JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H | |
Makulidwe | Kunja awiri: 21.3-660mm Khoma Makulidwe: 1.0-19.05mm |
Kugwiritsa ntchito
● Zomangamanga / zomangira zitsulo chitoliro
● Kapangidwe kachitsulo
● Chitoliro cha scaffolding
● Chitoliro chachitsulo cha mpanda
● Chitoliro chachitsulo choteteza moto
● Chitoliro chachitsulo chowonjezera kutentha
● Kutsika kwamadzimadzi, madzi, gasi, mafuta, chitoliro cha mzere
● Paipi yothirira
● Chitoliro chamanja