ASTM A519Me hanga ngā ngongo mā te tukanga tuimotu, ā, me whakaoti wera, me whakaoti matao rānei e ai ki te tohu.
Mō ngā ngongo porowhita kāore e neke ake te whānui o waho i te 12 3/4 inihi (325 mm).
Ka taea hoki te hanga ngongo rino i ngā āhua tapawhā, tapawhā hāngai, ētahi atu āhua rānei e hiahiatia ana.
Ka taea te whakarōpū i te ASTM A519 i runga i te rauemi o te maitai:maitai warome te maitai koranu.
maitai warokua wehea kiMT Waro Iti(Ngā Ngongo Ā-ringa),Teitei o te maitai waromeKua tangohia te whanariki, kua whakahokia te phosphorus, ngā mea e rua rāneimaitai waro, kia rite ki ngā hiahia ahumahi rerekē me ngā horopaki tono.
Ina kāore he tohu i tohua, ka taea e ngā kaihanga te tukuMT1015, MTX1020 rāneingā māka
Te whānui o waho: 13.7 - 325 mm;
Matotoru o te pakitara: 2-100mm.
Ka taea te hanga i te maitai mā roto i tētahi tukanga.
Ka taea te whakarewa i te maitai ki roto i ngā poro, ka taea rānei te whakarewa i ngā miro.
Me hanga ngā ngongo e tētahitukanga maeneeneā, me whakaoti wera, me whakaoti matao rānei, e ai ki te whakaritenga.
Ko ngā ngongo maitai tui kore he ngongo kāore he hononga whakarewa puta noa.
Ngā ngongo kua oti te whakamataoe taunakitia ana mō ngā tono nui mō te tika o ngā āhuatanga me te kounga o te mata.
Ko te mea nui ko te whai huatanga o te utu me te pakari o ngā rauemi,paipa maitai kua oti te whakamahanahe kōwhiringa pai ake pea.
Ko te tukanga whakaputa o te paipa maitai tui kore i hurihia wera-whakamahanatia te mea e whai ake nei.
Me tātari e te kaihanga maitai te wera o ia maitai hei whakatau i te ōrau o ngā huānga kua tohua.
Ripanga 1 Ngā Whakaritenga Matū o ngā Rino Waro-Iti
Ko te maitai ngawari he maitai kāore e neke ake i te 0.25% te nui o te waro. Nā te iti o te waro, he pai ake te ngāwari me te ngāwari o tēnei maitai, ā, he iti ake te mārō me te kaha ki te whakatauritea ki te maitai waro-nui.
Ripanga 2 Ngā Whakaritenga Matū o Ētahi Atu Maitai Waro
Ngā maitai waro waengaKei roto i te 0.25% me te 0.60% te waro, he nui ake te pakeke me te kaha, ā, me whakamahana kia pai ake ai ngā āhuatanga.
Te maitai waro teiteiKei roto i te waro i waenga i te 0.60% me te 1.0% neke atu rānei, ā, he tino pakeke, he kaha hoki, engari he iti ake te pakari.
Ripanga 3 Ngā Whakaritenga Matū mō ngā Maitai Koranu
Ripanga 4 Ngā Whakaritenga Matū o ngā Maitai Waro Kua Whakahokia te Wheatfur, Kua Whakahokia te Phosphor, Ngā Mea e Rua rānei
RIPU 5 Tātaritanga Hua Ngā Manawanui ki Runga, ki Raro rānei i te Awhe, i te Here rānei kua Tauwhāitihia
Me tono noa ki te kaihanga kia tātari i te hua mēnā e hiahiatia ana i roto i te ota.
Ko ngā tūemi whakamātautau e whai ake nei e hipokina ana e te ASTM A519:
Whakamātautau Pakeke; Whakamātautau Kume; Whakamātautau Kore-Pakaru; Whakamātautau Mumura; Te Ma me te Pakeketanga o te Rino.
| Te Whakatūnga Tohu | Momo Paipa | Āhua | Kaha Rawa | Te Kaha o te Hua | Te toronga i roto i te 2 inihi.[50mm],% | Rockwell, Tauine Pakari B | ||
| ksi | Mpa | ksi | Mpa | |||||
| 1020 | maitai waro | HR | 50 | 345 | 32 | 220 | 25 | 55 |
| CW | 70 | 485 | 60 | 415 | 5 | 75 | ||
| SR | 65 | 450 | 50 | 345 | 10 | 72 | ||
| A | 48 | 330 | 28 | 195 | 30 | 50 | ||
| N | 55 | 380 | 34 | 235 | 22 | 60 | ||
| 1025 | maitai waro | HR | 55 | 380 | 35 | 240 | 25 | 60 |
| CW | 75 | 515 | 65 | 450 | 5 | 80 | ||
| SR | 70 | 485 | 55 | 380 | 8 | 75 | ||
| A | 53 | 365 | 30 | 205 | 25 | 57 | ||
| N | 55 | 380 | 35 | 250 | 22 | 60 | ||
| 1035 | maitai waro | HR | 65 | 450 | 40 | 275 | 20 | 72 |
| CW | 85 | 585 | 75 | 515 | 5 | 88 | ||
| SR | 75 | 515 | 65 | 450 | 8 | 80 | ||
| A | 60 | 415 | 33 | 230 | 25 | 67 | ||
| N | 65 | 450 | 40 | 275 | 20 | 72 | ||
| 1045 | maitai waro | HR | 75 | 515 | 45 | 310 | 15 | 80 |
| CW | 90 | 620 | 80 | 550 | 5 | 90 | ||
| SR | 80 | 550 | 70 | 485 | 8 | 85 | ||
| A | 65 | 450 | 35 | 240 | 20 | 72 | ||
| N | 75 | 515 | 48 | 330 | 15 | 80 | ||
| 1050 | maitai waro | HR | 80 | 550 | 50 | 345 | 10 | 85 |
| SR | 82 | 565 | 70 | 485 | 6 | 86 | ||
| A | 68 | 470 | 38 | 260 | 18 | 74 | ||
| N | 75 | 540 | 50 | 345 | 12 | 82 | ||
| 1118 | Kua whakapūkaratia anō kua whakapūhaumāotatia anō rānei, rānei e rua, Ngā maitai waro | HR | 50 | 345 | 35 | 240 | 25 | 55 |
| CW | 75 | 515 | 60 | 415 | 5 | 80 | ||
| SR | 70 | 485 | 55 | 380 | 8 | 75 | ||
| A | 80 | 345 | 30 | 205 | 25 | 55 | ||
| N | 55 | 380 | 35 | 240 | 20 | 60 | ||
| 1137 | Kua whakapūkaratia anō kua whakapūhaumāotatia anō rānei, rānei e rua, Ngā maitai waro | HR | 70 | 485 | 40 | 275 | 20 | 75 |
| CW | 80 | 550 | 65 | 450 | 5 | 85 | ||
| SR | 75 | 515 | 60 | 415 | 8 | 80 | ||
| A | 65 | 450 | 35 | 240 | 22 | 72 | ||
| N | 70 | 485 | 43 | 295 | 15 | 75 | ||
| 4130 | Ngā maitai koranu | HR | 90 | 620 | 70 | 485 | 20 | 89 |
| SR | 105 | 725 | 85 | 585 | 10 | 95 | ||
| A | 75 | 515 | 55 | 380 | 30 | 81 | ||
| N | 90 | 620 | 60 | 415 | 20 | 89 | ||
| 4140 | Ngā maitai koranu | HR | 120 | 825 | 90 | 620 | 15 | 100 |
| SR | 120 | 825 | 100 | 690 | 10 | 100 | ||
| A | 80 | 550 | 60 | 415 | 25 | 85 | ||
| N | 120 | 825 | 90 | 620 | 20 | 100 | ||
HR-Whārikihia ki te Hurihanga Wera, CW-Mātaohia ki te Mahi, SR-Whakamamaehia te Taumahatanga, A-Whakamahanahia me te N-Whakaritea.
Te Manawanui o te Diameter o Waho
Ripanga 6 Ngā Ātete Diameter o Wahomō ngā Ngongo Porowhita Wera-Oti
Ripanga 12 Ngā Ātete Diameter o Waho mōNgongo Tuitui Whenua
| Rahi o te Diameter o Waho, inihi.[mm] | Ngā Ātete Diameter o Waho mō ngā Rahi me ngā Roa i Hoatu, in. [mm] | |||
| Neke atu i te | I raro i | Neke atu i te | I raro i | |
| OD≤1 1/4 [31.8] | 0.003 [0.08] ina L≤16ft[4.9m] | 0.000 | 0.004 [0.10] ina L>16ft [4.9m] | 0.000 |
| 1 1/4 [31.8]＜ OD ≤2[50.8] | 0.005 [0.13] ina L≤16ft[4.9m] | 0.000 | 0.006 [0.15] ina L>16ft [4.9m] | 0.000 |
| 2 [50.8]＜ OD ≤3 [76.2] | 0.005 [0.13] ina L≤12ft[3.7m] | 0.000 | 0.006 [0.15] ina L≤16ft[4.9m] | 0.000 |
| 3 [76.2]＜ OD ≤4 [101.6] | 0.006 [0.15] ina L≤12ft[3.7m] | 0.000 | 0.006 [0.15] ina L≤16ft[4.9m] | 0.000 |
Te Manawanui ki te Matotoru o te Pakitara
Ripanga 7 Ngā Ātete Matotoru o te Pakitaramō ngā Ngongo Porowhita Wera-Oti
Ripanga 10 Ngā Ātete Matotoru o te Pakitaramō ngā Ngongo Porowhita Matao-Mahia
| Ngā Awhe Matotoru o te Pakitara hei Ōrau o te Diameter o Waho | Te Manawanui Matotoru o te Pakitara ki runga ake, ki raro iho rānei i te Ingoa, % | |
| OD≤1.499in[38.07mm] | OD≥1.500 inihi [38.10mm] | |
| OD/WT≤25 | 10.0 | 7.5 |
| Taumaha/Taumaha>25 | 12.5 | 10.0 |
Te Manawanui o te Diameter o Waho me te Diameter o Roto
Ripanga 8 Ngā Ātete Diameter o Waho me te Diameter o Roto mōNgongo Porowhita Matao-Mahia (Ngā Wāhanga Inihi)
Ripanga 9 Ngā Ātete o te Diameter o Waho me te Diameter o Rotomō ngā Ngongo Porowhita Matao (Ngā Wāhanga SI)
Te Manawanui ki te Diameter o Waho me te Matotoru o te Pakitara
Ripanga 11 Te Diameter o Waho me ngā Ātete Pakitaramō ngā Ngongo Rino Tuitui-Tahuri-Pōuriuri
| Rahi kua tohua o te Diameter o waho, inihi [mm] | Te whānui o waho, inihi [mm] | Matotoru o te Pakitara, % |
| <6 3/4 [171.4] | ±0.005 [0.13] | ±12.5 |
| 6 3/4 - 8 [171.4 - 203.2] | ±0.010 [0.25] | ±12.5 |
Te Manawanui Roa
Ripanga 13 Ngā Ātete Roamō ngā Ngongo Porowhita Kua Oti-wera, Kua Oti-Matao rānei
Te Manawanui ki te Tika
Ripanga 14 Ngā Ātete Tikamō ngā Ngongo Mīhini Porowhita Tuitui
Me pania te paipa ki te hinu i mua i te whakakōhua hei ārai i te waikura.
Ka taea hoki te pania te hinu ārai waikura ki ngā mata o roto, o waho hoki o te paipa.
Te rererangi me te āteate hanga i ngā wāhanga nui pēnei i ngā miihini rererangi me ngā pūnaha tautoko waka mokowhiti.
Ahumahi pūngao: ngā taputapu keri me te hanga paipa pōro pēhanga-teitei.
Te hanga mīhini me ngā taputapuNgā wāhanga matua e hanga ana i te whānuitanga o ngā mīhini me ngā taputapu ahumahi.
Ngā taputapu hākinakinaTe hanga anga pahikara mahi-teitei me ētahi atu whare hākinakina.
Te hanga me te hanga: ngā huānga tautoko hanganga mō ngā whare me ngā tono i roto i ngā taiao pēhanga teitei.
1. EN 10297-1: E355, 25CrMo4, 42CrMo4, me ētahi atu. Ka taea te kī ko ēnei rauemi he rite ki ētahi maitai waro me te maitai koranu i roto i te ASTM A519.
2. DIN 1629: St52, St37.4, me ētahi atu. He rite ēnei ki ngā karaehe maitai ngawari i roto i te ASTM A519, e whakamahia ana mō ngā mahi ā-mīhini me ngā mahi hanganga.
3. JIS G3445: STKM13A, STKM13B, me ētahi atu. He ngongo maitai waro ēnei e whakamahia ana mō ngā mahi ā-mīhini me ngā mahi hanganga.
4. BS 6323:CFS 3, CFS 4, CFS 8, me ētahi atu. He ngongo maitai tuimotu ēnei, he mea whakarewa hoki mō ngā mahi motuka, miihini, me ngā mahi hangarau whānui.
5. GB/T 8162:20#, 45#, 40Cr, 20CrMo, me ētahi atu. Ngā ngongo me ngā paipa maitai kore-tuitui mō te hanganga whānui me te hanganga mīhini.
6. Ko te ISO 683-17:100Cr6, me ētahi atu, e whakamahia whānuitia ana i roto i te hanga peera, ka kitea hoki te tono i roto i te miihini, ā, he rite tonu ngā tono ki ētahi maitai koranu o ASTM A519.
I te wā e whiriwhiri ana i tētahi rauemi ōrite, he mea nui kia tirohia ngā taipitopito o te hanganga matū me ngā āhuatanga hangarau kia tino mōhio ai ka tutuki i te rauemi kua whiriwhiria ngā whakaritenga mahi o te tono motuhake.
Mai i tōna whakatūnga i te tau 2014, kua noho a Botop Steel hei kaiwhakarato matua o ngā paipa maitai waro i te Tai Tokerau o Haina, e mōhiotia ana mō te ratonga pai rawa atu, ngā hua kounga teitei, me ngā otinga whānui. He maha ngā momo paipa maitai waro me ngā hua e pā ana ki tēnei kamupene, tae atu ki ngā paipa maitai kore hononga, ERW, LSAW, me SSAW, me te whānuitanga katoa o ngā hononga paipa me ngā flanges.
Kei roto hoki i ana hua motuhake ngā koranu kounga teitei me ngā maitai kore waikura austenitic, i hangaia kia tutuki ai ngā hiahia o ngā kaupapa paipa rerekē.
