ASTM A179Ngongo maitai ngawari, he mea kumea matao, he mea hanga ki te tui kore;
He pai mō ngā whakawhiti wera ngongo, ngā whakapūmau wera, me ngā taputapu whakawhiti wera rite.
Ngā Pātene Whakatere
Awhe Diameter
Te Maimoatanga Wera
Āhua
Ngā Ātete Ahu
Whakamātautau ASTM A179
Ngā Wāhanga Matū
Ngā Āhuatanga Kume
Whakamātautau Whakapapatahi
Whakamātautau Mura
Whakamātautau Flange
Whakamātautau Pakari
Whakamātautau Pēhanga Waipēhi
Whakamātautau Hiko Kore-Whakangaro
Tohu ASTM A179
Ngā Paerewa e tika ana ASTM A179
Mō Mātou
Awhe Diameter
ASTM A179 mō ngā ngongo me ngā diameter o waho i waenga i te 3.2 -76.2 mm [NPS 1/8 - 3 inihi].
Te Maimoatanga Wera
I whakamahanatia ki te 1200℉ [650℃] neke atu rānei i muri i te putanga whakamutunga o te momi makariri.
Āhua
Kaua te paipa rino kua oti te hanga e whai unahi. Kāore te waikura iti e kiia he unahi.
Ngā Ātete Ahu
| Ngā Ātete Ahu | ||
| Rārangi | Kōmaka | Whānuitanga |
| Papatipu | DN≤38.1mm [NPS 11/2] | +12% |
| DN>38.1mm[NPS 11/2] | +13% | |
| Diameter | DN≤38.1mm [NPS 11/2] | +20% |
| DN>38.1mm[NPS 11/2] | +22% | |
| Ngā roa | DN <50.8mm [NPS 2] | +5mm[NPS 3/16] |
| DN≥50.8mm [NPS 2] | +3mm[NPS 1/8] | |
| Te Tika me te Whakaoti | Me tino tika ngā ngongo kua oti, ā, me maeneene ngā pito, karekau he kohao. | |
| Te whakahaere hapa | Ka taea te tango i te koretake, te āhua rerekē rānei o te ngongo mā te huri, engari me mau tonu he mata piko maeneene, ā, kaua te matotoru o te pakitara e whakaitihia ki raro iho i te mea e whakaaetia ana e tēnei whakaritenga, e te whakatakotoranga hua rānei. | |
Ko te tātai taumaha ASTM A179 koia tēnei:
M=(DT)×T×C
Mko te papatipu mō ia wae roa;
Dko te diameter o waho kua tohua, e whakaaturia ana i roto i ngā mirimita (inihi);
T ko te matotoru o te pakitara kua tohua, e whakaaturia ana i roto i ngā mirimita (inihi);
Cko 0.0246615 mō ngā tataunga i roto i ngā waeine SI me 10.69 mō ngā tataunga i roto i ngā waeine USC.
Mena kei te hiahia koe ki te mōhio atu mō ngā ripanga taumaha me ngā wātaka o ngā paipa maitai,pāwhiri ki konei!
Whakamātautau ASTM A179
Ngā Wāhanga Matū
Tikanga Whakamātautau: ASTM A450 Wāhanga 6.
| Ngā Wāhanga Matū | |
| C(Waro) | 0.06-0.18 |
| Mn(Mangane) | 0.27-0.63 |
| P(Pūhāora) | ≤0.035 |
| S(Whānariki) | ≤0.035 |
Kāore e whakaaetia te whakarato i ngā momo koranu e hiahia ana kia tāpirihia he huānga i tua atu i ērā kua whakarārangihia i runga ake nei.
Ngā Āhuatanga Kume
Tikanga Whakamātautau: ASTM A450 Wāhanga 7.
| Ngā Whakaritenga Kukume | ||
| Rārangi | whakarōpūtanga | uara |
| Te kaha o te kume, meneti | KSI | 47 |
| MPa | 325 | |
| Te kaha o te hua, meneti | psi | 26 |
| MPa | 180 | |
| Te whakaroa i roto i te 50mm (2 inihi), min | % | 35 |
Whakamātautau Whakapapatahi
Tikanga whakamātautau: ASTM A450 Wāhanga 19.
Whakamātautau Mura
Tikanga whakamātautau: ASTM A450 Wāhanga 21.
Ngā Pātai Whānui: Ko te whakamātautau mura he whakamātautau e whakamahia ana hei aromatawai i te āhua rerekē o te kirihou me te ātete ki te pakaru o ngā rauemi whakarewa, inā koa ngā ngongo ina tukuna ki ngā tukanga mura. He mea whakamahi noa tēnei whakamātautau hei aromatawai i te kounga me te pai o ngā ngongo, inā koa i ngā tono e hiahiatia ana te whakarewa, te mura, me ētahi atu momo tukatuka.
Whakamātautau Flange
Tikanga Whakamātautau: ASTM A450 Wāhanga 22. He huarahi kē atu hei whakakapi i te Whakamātautau Mura.
Ngā Pātai Whakawhanui: E pā ana ki tētahi whakamātautau e whakamahia ana hei aromatawai i te āheinga ki te whakarerekē i te āhua kirihou me te ātete ki te pakaru o te pepa whakarewa, te paipa, me ētahi atu rauemi rānei i te wā e whakatauirahia ana ngā hononga whakarara.
Whakamātautau Pakari
Tikanga Whakamātautau: ASTM A450 Wāhanga 23. Kaua te pakeke e neke ake i te 72 HRBW.
HRBW: E pā ana ki ngā whakamātautau pakeke o te Rockwell B Scale i mahia ki ngā wāhi i whakarewaina.
Whakamātautau Pēhanga Waipēhi
Tikanga whakamātautau: ASTM A450 Wāhanga 24.
Whakamātautau Hiko Kore-Whakangaro
Tikanga whakamātautau: ASTM A450, Wāhanga 26. He huarahi kē atu ki te whakamātautau waipēhi.
Tohu ASTM A179
ASTM A179me mārama te tohu ki te ingoa o te kaihanga, te ingoa waitohu rānei, te tau whakatakotoranga, te tohu, me te ingoa me te tau ota a te kaihoko.
Kāore e hiahiatia kia whakaurua te tau o tēnei whakatakotoranga ki te tohu.
Mō ngā ngongo iti iho i te 31.8 mm [11/4] te whānui me ngā ngongo kei raro iho i te 1 m [3 putu] te roa, ka taea te tohu i ngā mōhiohio e hiahiatia ana ki tētahi tūtohu e piri mau ana ki te paihere, ki te pouaka rānei e tukuna ana ngā ngongo.
Ngā Paerewa e tika ana ASTM A179
EN 10216-1
Whakamahinga: Ngā paipa rino kore-konumohe mō ngā take pēhanga me ngā āhuatanga pāmahana rūma kua tohua.
Te whakamahinga matua: E whakamahia whānuitia ana mō ngā paipa pēhanga i roto i ngā ahumahi hinu me te matū.
DIN 17175
Whakamahinga: Ngā ngongo maitai tui kore mō te whakamahi i ngā pāmahana tiketike.
Ngā tono matua: Ahumahi kohua, whakawhiti wera.
BS 3059 Wāhanga 1
Taupānga: Ngā ngongo maitai tui me te whakarewa mō te whakamahi i ngā pāmahana iti.
Ngā whakamahinga matua: ngā whakawhiti wera, ngā whakapūmau.
JIS G3461
Taupānga: Ngā ngongo koiri me ngā ngongo whakawhiti wera waro rino.
Ngā whakamahinga matua: te whakawhiti wera me ngā ngongo poiha.
ASME SA 179
Te Whakamahinga: Tata rite tonu ki te ASTM A179 mō ngā ngongo whakawhiti wera me ngā ngongo whakapūmau maitai ngawari e kumea ana i te makariri.
Te whakamahinga matua: Ngā whakawhiti wera mata, ngā whakapūmau wera, me ētahi atu.
ASTM A106
Taupānga: Ngongo maitai waro maeneene mō te mahi pāmahana teitei.
Te whakamahinga matua: Ngā paipa pēhanga mō ngā ahumahi hinu me te matū i ngā pāmahana teitei.
GB 6479
Taupānga: Paipa maitai kore-pēhanga teitei mō ngā taputapu matū me ngā paipa.
Whakamahinga Matua: Paipa pēhanga teitei mō te umanga matū.
Mō Mātou
Ko Botop Steel tētahi Kaihanga me ngā Kaiwhakarato Paipa Rino Waro Whakarewa Ngaio o Haina Neke atu i te 16 Tau me te 8000+ Tana Paipa Raina Tuitui kei roto i te Toa i ia Marama. Mena kei te hiahia koe ki te mōhio atu mō ā mātou hua paipa rino, ka taea e koe te whakapā mai ki a mātou ki te whakarato i ngā hua me ngā ratonga kounga teitei ki a koe!
ngā tohu: astm a179, te tikanga o te astm a179,ngā kaiwhakarato, ngā kaihanga, ngā wheketere, ngā kaihokohoko, ngā kamupene, te rarawe, te hoko, te utu, te whakatau tata, te nuinga, hei hoko, te utu.
Wā tuku: Maehe-27-2024