I roto i ngā kohua, i ngā whakawhiti wera, i ngā whakamahana nui, me ētahi atu whakamahinga pēhanga teitei pāmahana, ko te whiriwhiri i te paerewa paipa maitai tika ka pā tika ki te haumaru me te roa o te mahi a ngā taputapu.ASTM A179, A192, A210, me te A213ko ngā paerewa ngongo poihau e whā e whakamahia whānuitia ana puta noa i te ao, engari he mea hanga ia mō ngā āhuatanga ratonga me ngā whakaritenga mahi rerekē. Ka whakaratohia e tēnei tuhinga he tātaritanga taipitopito mai irauemi, āhuatanga miihini, me ngā tikanga e tika anahei āwhina i a koe ki te whakatau kaupapa hokohoko whai whakaaro.

I. Te Tūnga Matua o ngā Paerewa e Whā

Paerewa	Ingoa Katoa	Momo Rauemi	Taupānga Matua
ASTM A179 / ASME SA179	Ngā Ngongo Rino Waro-Iti Tuitui Kore-Matao mō ngā Whakawhiti Wera me ngā Whakapūmau	maitai waro-iti	Ngā whakawhiti wera, ngā whakapūmau wera, me ngā taputapu whakawhiti wera rite
ASTM A192 / ASME SA192	Ngā Ngongo Kohua Waro Rino Korekore mō te Pēhanga Teitei	maitai waro	Ngā pakitara wai poihau pēhanga teitei, ngā kaiwhakaora moni
ASTM A210 / ASME SA210	Ngā Ngongo Paipa me ngā Ngongo Whakamahana Nui o te Paipa Waro-Waenga Kore Tuitui	maitai waro-waenga	Ngā pūnaha kohua, ngā whakamahana nui
ASTM A213 / ASME SA213	Ngā Ngongo Kohua, Whakamahana Nui me ngā Ngongo Whakawhiti Wera Korekore o te Ferritic me te Austenitic Alloy-Stee	Rino koranu / maitai kore waikura	Ngā poiha teihana hiko pēhanga teitei pāmahana-tiketike, ngā waeine tino arohaehae

II. Te Tātari Taipitopito o Ia Paerewa

1. ASTM A179 / ASME SA179–Ngā Ngongo Whakawhiti Wera me ngā Ngongo Whakamātao

ASTM A179ngā uhingā ngongo maitai waro-iti kore-tuituii hangaia mōngā whakawhiti wera, ngā whakapūmau wera, me ngā taputapu whakawhiti wera rite.

Rauemi Matua: Rino waro-iti (te ihirangi waro 0.06%–0.18%)

Ngā Āhuatanga Mīhini Matua:

Kaha Kume: ≥325 MPa

Kaha Tukunga: ≥180 MPa

Te roa: ≥35%

Ngā tono noa:

Ngā whakawhiti wera anga-me-ngā-ngongo

Ngā whakapūmau mata

Ngā pūnaha whakamahana wai whāngai

Ngā taputapu whakawhiti wera i roto i ngā tipu hinu me te whare whakapai

Ngā Painga o A179: Mā te iti o te waro e whakaratongā āhuatanga piko makariri pai rawa atu, te kaha ki te mura o te pito ngongo, me te ngāwari ki te miihiniNā te iti o te waro, he tino pai te āheinga whakarewa, ā, koinei te kōwhiringa tino ohanga mō ngā taputapu whakawhiti wera.Ko A179 me A192 ngā "hōiho mahi" mō te ratonga poiha pēhanga iti me te pēhanga waenga..

2. ASTM A192 / ASME SA192–Paerewa Ngongo Pōro Pēhanga-Teitei

ASTM A192ngā uhingā ngongo kōhua ​​maitai waro korekore mō te mahi pēhanga teiteiā, ko tētahi o ngā whakatakotoranga e whakamahia whānuitia ana i roto i ngā teihana hiko me ngā kohua ahumahi.

Rauemi Matua: Te maitai waro (te ihirangi waro 0.06%–0.18%)

Ngā Āhuatanga Mīhini Matua:

Kaha Kume: ≥325 MPa

Kaha Tukunga: ≥180 MPa

Te roa: ≥35%

Pakari: ≤137 HBW (77 HRB)

Ngā tono noa:

Ngā ngongo pakitara wai

Ngā ngongo whakangao

Ngā wāhanga whakaputa mamaoa

Ngā whakamahana pāmahana iti

Rerekētanga Matua i waenga i te A192 me te A179: Ka whakatakotohia e te A192ngā āheinga matotoru pakitara tino pakariā, e tika ana mōngā tono poiha pehanga hoahoa teitei ake. Ina nui ake te pēhanga hoahoa i te rohe o A179, ko A192 te whakapai ake e pai ake ana. He rite te hanganga matū me te kaha o ngā mea e rua, engari he tino kaha ake ngā whakaritenga hanga me te tirotiro mō A192.

3. ASTM A210 / ASME SA210–Ngā Ngongo Paera me ngā Ngongo Whakamahana Nui o te Rino Waro-Waenga

ASTM A210ngā uhingā ngongo kōhua ​​maitai waro-waenga me ngā ngongo whakamahana nuiā, e rua ngā taumata kaha e whakaratohia ana:Taumata A1meTau C.

Rauemi Matuamaitai waro-waenga

Taumata A1Te ihirangi waro tata ki te 0.27%

Tau CTe ihirangi waro tata ki te 0.35%

Ngā Āhuatanga Mīhini Matua:

Tau	Kaha Kume	Te Kaha o te Hua	Te pakeketanga
A210 Tau A1	≥415 MPa	≥255 MPa	≤143 HBW
A210 Tau C	≥485 MPa	≥275 MPa	≤179 HBW

Ngā tono noa:

Ngā paipa pūnaha kohua

Ngā ngongo whakamahana nui

Ngā paipa mamaoa pāmahana teitei

Painga Matua o A210: Mā te ihirangi waro waenga e whakaratokaha ake me te ātete pāmahana. E tata ana ki te 50% te kaha teitei ake o te karaehe C i te A179/A192, ā, he pai mō ngā pāmahana me ngā pēhanga teitei ake. Heoi anō,me tino tupato te whakahaere i te whakarewa me te tukatuka i te maitai waro-waengaHe pai te A210 mō ngā pūnaha poiha me ngā pūnaha whakamahana nui me ngā pāmahana hoahoa o400°C–450°C.

4. ASTM A213 / ASME SA213–Ngongo Rino Koranu me ngā Ngongo Rino Kowiri tira

ASTM A213ngā uhingā ngongo maitai-konumohe ferritic me te austeniticmōte pūwero, te whakamahana nui, me te whakawhiti werangā wāhanga pāmahana teitei.

Ngā Rauemi Matua: Rino koranu / rino kore waikura

Ngā koranu FerriticT11, T12, T22, T91, T92, me ētahi atu.

Ngā maitai kore waikura AusteniticTP304H, TP347H, me ētahi atu.

Ngā Āhuatanga Mīhini Matua:

Tau	Kaha Kume	Te Kaha o te Hua	Te Whakamahinga Noa
T11(1.25Cr-0.5Mo)	≥415 MPa	≥170 MPa	Ngā pakitara wai kohua, ngā whakamahana nui
T12(1Cr-0.5Mo)	≥415 MPa	≥205 MPa	Ngā pakitara wai kohua, ngā kaiwhakaora moni
T22(2.25Cr-1Mo)	≥415 MPa	≥205 MPa	Ngā kohua, ngā wāhanga pāmahana teitei o te whare whakapai
T91(9Cr-1Mo-V)	≥585 MPa	≥415 MPa	Ngā poiha teihana hiko tino hira

Ngā tono noa:

Ngā pakitara wai kohua

Ngā Kaiwhakaora

Ngā whakamahana anō

Ngā paipa mamaoa

Ngā taputapu whakangao pāmahana teitei

Uara Matua o A213Mā te tāpiri o te chromium (Cr) me te molybdenum (Mo) ka putahe ātete pai rawa atu ki te waikura me te ātete ngoki i ngā pāmahana teiteiKa taea e T22 te mahi mō te wā roa i540°C–580°C, i te mea ka taea te whakamahi i te T91/T92 i runga ake nei600°Cmō ngā waeine tino kaha. Ina kore e taea e ngā maitai waro (A179/A192/A210) te whakatutuki i ngā whakaritenga kaha ngoki pāmahana teitei, ko ngā maitai koranu A213 te whiringa kore e taea te karo.

III. Me pēhea te whiriwhiri – Aratohu Whakatau Hoko

Kōwhiringa mā te Pāmahana / Pēhanga

Āhua o te Ratonga	Paerewa i Manakohia	Take
Ngā whakawhiti wera pāmahana-iti, ngā whakapūmau	A179	He iti te waro, he iti te utu, he pai te āhua
Ngā poiha pēhanga-waenga/teitei, ngā kaiwhakaora-pūngao	A192	He pakari ake ngā āheinga matotoru o te pakitara, he pai mō te pēhanga teitei
Ngā whakamahana pāmahana teitei (~450°C)	A210 Tau C	Waro waenga, kaha teitei
Ngā wāhanga pāmahana-teitei (540°C+)	A213 T22	Ātete ngokingoki, ātete waikura
Tino Hiranga (600°C+)	A213 T91/T92	Tino kaha, ātete wera nui

Kōwhiringa mā te Momo Taputapu

Momo Taputapu	Paerewa i Manakohia	Awhe Rahi
Ngā whakawhiti wera, ngā whakapūmau	A179	OD 19–76.2mm
Ngā pakitara wai poihau pēhanga teitei, ngā kaiwhakaora moni	A192	OD 19–177.8mm
Ngā kohua, ngā whakamahana nui	A210 A1/C	OD 19–127mm
Ngā wāhanga pāmahana teitei o te poihau tino hirahira	A213 T11/T22/T91	OD 19–127mm

 

Ahakoa e hiahia ana koeNgā ngongo whakawhiti wera A179, Ngā ngongo poihau pēhanga teitei A192, Ngā ngongo whakamahana nui waro-waenga A210, rāneiNgā ngongo maitai koranu A213 T11/T22/T91, ka tukuna e SanonpipeKounga Teitei, Tukunga Tere, Kore Mōrearea– ngā otinga tuku kotahi-mutu mō āu kaupapa.

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