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Tirohanga
Taupānga
Pupa maitai tuitui mo te mahi pāmahana teitei ASTM A106, e tika ana mo te pāmahana teitei
Koeke Matua
Koeke o te waro hanganga maitai teitei: GR.A,GR.B,GR.C
Waahanga matū
| Tito, ％ | |||
| Kōeke A | Kōeke B | Kōeke C | |
| waro, teitei | 0.25A | 0.3B | 0.35B |
| konupora | 0.27-0.93 | 0.29-1.06 | 0.29-1.06 |
| Phosphorus, max | 0.035 | 0.035 | 0.035 |
| Whanariki, max | 0.035 | 0.035 | 0.035 |
| Silicon, min | 0.10 | 0.10 | 0.10 |
| Chrome, maxC | 0.40 | 0.40 | 0.40 |
| Te parahi, maxC | 0.40 | 0.40 | 0.40 |
| Molybdenum, maxC | 0.15 | 0.15 | 0.15 |
| Nickel, maxC | 0.40 | 0.40 | 0.40 |
| Vanadium, maxC | 0.08 | 0.08 | 0.08 |
| A Mo ia whakahekenga o te 0.01% i raro i te morahi waro kua tohua, ko te pikinga o te 0.06% konupora ki runga ake i te morahi kua tohua ka whakaaetia ki te 1.35%. | |||
| B Ki te kore e whakatauhia e te kaihoko, mo ia whakahekenga o te 0.01% i raro i te morahi waro kua tohua, ko te pikinga o te 0.06% konupora ki runga ake i te morahi kua tohua ka whakaaetia ki te 1.65%. | |||
| C Ko enei huānga e rima ka honoa kia kaua e neke ake i te 1%. | |||
Taonga Miihini
| Kōeke A | Kōeke B | Kōeke C | ||||||
| Te kaha matara, min, psi(MPa) | 48 000(330) | 60 000(415) | 70 000(485) | |||||
| Te kaha tuku, min, psi(MPa) | 30 000(205) | 35 000(240) | 40 000(275) | |||||
| Whakapoupou | Whakawhitiwhiti | Whakapoupou | Whakawhitiwhiti | Whakapoupou | Whakawhitiwhiti | |||
| Te whakaroa i roto i te 2 inihi (50 mm), min, % Ko nga whakamatautau elongation iti rawa atu mo nga waahanga whakaheke, me nga rahi iti katoa i whakamatauria i te waahanga katoa | 35 | 25 | 30 | 16.5 | 30 | 16.5 | ||
| A, no te a tawhio noa 2-in. Ka whakamahia te tauira whakamatautau roa (50-mm). | 28 | 20 | 22 | 12 | 20 | 12 | ||
| Mo nga whakamatautau tihorea roa | A | A | A | |||||
| Mo nga whakamatautau weriweri whakawhiti, he tangohanga mo ia 1/32-in. (0.8-mm) te whakaheke i te matotoru o te pakitara i raro iho i te 5/16 inihi. (7.9 mm) mai i te whakaroatanga iti rawa o te paheketanga e whai ake nei ka mahia | 1.25 | 1.00 | 1.00 | |||||
| A Ko te whakaroa iti i roto i te 2 inihi (50 mm) ka whakatauhia e te wharite e whai ake nei: | ||||||||
| e=625000A 0.2 / U 0.9 | ||||||||
| mo nga waeine inihi-pauna, me | ||||||||
| e=1940A 0.2 / U 0.9 | ||||||||
| mo nga waeine SI, | ||||||||
| kei hea: e = te whakaroa iti i roto i te 2 inihi (50 mm), %, porotaka ki te 0.5% tata, A = te horahanga whitinga o te tauira whakamatautau riipoi, in.2 (mm2), i runga i te diameter o waho kua tohua, i te whakaingoa ranei i tohua te diameter o waho, te whanui tauira whakaingoa ranei me te matotoru pakitara kua tohua, kua whakaawhiwhia ki te 0.01 in.2 tata (1 mm2) . (Mehemea he rite, nui ake ranei te horahanga i te 0.75 in.2 (500 mm2), katahi ka whakamahia te uara 0.75 in.2 (500 mm2). U = te kaha tensile kua tohua, psi (MPa). | ||||||||
Whakaritenga Whakamatau
Hei taapiri atu ki te whakarite i te hanganga matū me nga taonga miihini, ka mahia nga whakamatautau hydrostatic takitahi, ka mahia nga whakamatautau mura me te papatahi. . I tua atu, kei reira etahi whakaritenga mo te microstructure, te rahi o te witi, me te paparanga decarburization o te paipa maitai oti.
Te kaha tuku
Te Mahinga Whakarato: 1000 Tons Ia Marama Ma te Tohu o ASTM SA-106Paipa maitai
Te takai
I roto i nga paihere me te pouaka rakau kaha
Tukunga
7-14 ra mena kei roto i nga taonga, 30-45 nga ra ki te whakaputa
Utu
30% depsoit, 70% L/C, kape B/L ranei 100% L/C i te tirohanga
Taipitopito Hua
Pupu Kohua
GB/T5310-2017
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
