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UNS S31703 igwe anaghị agba nchara
Igwe anaghị agba nchara
317L igwe anaghị agba nchara
UNS S31703 igwe anaghị agba nchara

UNS S31703 igwe anaghị agba nchara

317L bụ molybdenum na-ebu austenitic igwe anaghị agba nchara nke nwere nnukwu iguzogide ọgụ kemịkalụ ma e jiri ya tụnyere chromium-nickel austenitic igwe anaghị agba nchara dị ka Ụdị 304. 317L alloy na-enyekwa nnukwu creep, nrụgide-na-rupture, na ike ike na okpomọkụ dị elu. karịa igwe anaghị agba nchara.
Ozi ngwaahịa

317L bụ molybdenum na-ebu austenitic igwe anaghị agba nchara nke nwere nnukwu nguzogide kemịkalụ ma e jiri ya tụnyere chromium-nickel austenitic igwe anaghị agba nchara dị ka Ụdị 304. 317L alloy na-enyekwa nnukwu creep, nrụgide-na-rupture, na ike tensile na okpomọkụ dị elu. karịa igwe anaghị agba nchara. Alloy ahụ nwere obere carbon iji nye nguzogide nleba anya n'oge ịgbado ọkụ na usoro ikpo ọkụ ndị ọzọ. Ezubere alloy a maka ọnọdụ ọrụ siri ike dị ka sistemu gas desulfurization (FGD).

Data teknụzụ
Ihe mejupụtara kemịkalụ - igwe anaghị agba nchara 317/317L
Ọkwa 317 317L
Nhọpụta UNS S31700 S31703
Carbon (C) Max. 0.08 0.035*
Manganese (Mn) Max. 2.00 2.00
Phosphorous (P) Max. 0.040 0.04
Sulfur (S) Max. 0.03 0.03
Silicon (Si) Max. 1.00 1.00
Chromium (Cr) 18.0–20.0 18.0–20.0
Nickel (Ni) 11.0–14.0 11.0–15.0
Molybdenum (Mo) 3.0–4.0 3.0–4.0
Nitrogen (N) - -
Ígwè (Fe) Bal. Bal.
Ihe ndị ọzọ - -

Ihe arụrụ arụ arụrụ arụ- igwe anaghị agba nchara 317L
Ihe onwunwe Ike tensile kacha elu (Mpa) 0.2% Ike Mpụta (Mpa) % Mgbatị n'ime 2" Rockwell B siri ike
Alloy 317 515 205 35 95
Alloy 317L 515 205 40 95
Ngwongwo igwe kacha nta nke ASTM A240 na ASME SA 240
Njirimara anụ ahụ Metric Bekee Okwu
Njupụta 8 g/cc 0.289 lb / na³
Ihe eji arụ ọrụ
Obi ike, Brinell Kachasị 217 Kachasị 217 ASTM A240
Ike tensile, kacha Nkeji 515 MPa Nkeji 74700 psi ASTM A240
Ike tensile, Mpụta Nkeji 205 MPa Nkeji 29700 psi ASTM A240
Elongation na ezumike Nkeji 40% Nkeji 40% ASTM A240
Modul nke Elasticity 200 GPA 29000 ksi
Ngwongwo eletriki
Eletriki Resistivity 7.9e-005 ohm-cm 7.9e-005 ohm-cm
Ike ndọta 1.0028 1.0028 efere 0,5 inch anneal nke ọma; 1.0028 65% oyi-arụ ọrụ 0.5 inch efere
317L (1.4438) Ihe onwunwe zuru oke
Alloy 317LMN na 317L bụ molybdenum-agba austenitic igwe anaghị agba nchara tube na ukwuu ụba iguzogide kemịkalụ ọgụ ka atụnyere ot chromium-nickel austenitic igwe anaghị agba nchara ọkpọkọ dị ka Alloy 304. Na mgbakwunye, 317LMN na 317L alloys na-enye elu creep, stress-to. - mgbawa, na ike nkwụsị na okpomọkụ dị elu karịa igwe anaghị agba nchara. Ha niile bụ obere carbon ma ọ bụ akara “L” iji nye nguzogide nleba anya n'oge ịgbado ọkụ yana usoro ikpo ọkụ ndị ọzọ.

Aha "M" na "N" na-egosi na ihe ndị a mejupụtara nwere ụbara ọkwa nke molybdenum na nitrogen n'otu n'otu. Ngwakọta nke molybdenum na nitrogen dị irè karịsịa n'ịkwalite iguzogide pitting na crevice corrosion, karịsịa na usoro iyi nke nwere acid, chlorides, na sọlfọ ogige na elu okpomọkụ. Nitrogen na-emekwa ka ike nke alloys ndị a dịkwuo ike. Ezubere alloys abụọ ahụ maka ọnọdụ ọrụ siri ike dị ka sistemu gas desulfurization (FGD).

Na mgbakwunye na nguzogide corrosion dị mma na akụrụngwa ike, Alloys 316, 316L, na 317L Cr-Ni-Mo alloys na-enyekwa ezigbo nrụpụta na nhazi nke na-ahụkarị nke austenitic igwe anaghị agba nchara.

317L (1.4438) Ọgwụgwọ okpomọkụ
Na-ewe iwe
A na-enye ọkpọkọ igwe anaghị agba nchara austenitic na igwe igwe annealed ọnọdụ dị njikere maka ojiji. Ọgwụgwọ okpomọkụ nwere ike ịdị mkpa n'oge ma ọ bụ mgbe emechara ya iji wepụ mmetụta nke oyi na-akpụ ma ọ bụ igbari chromium carbides na-ebuli elu sitere na mkpughe ọkụ. Maka Alloys 316 na 317L, a na-emecha anneal ihe ngwọta site na ikpo ọkụ na 1900 ruo 2150 ° F (1040 ruo 1175 Celsius) okpomọkụ na-esote ikuku jụrụ oyi ma ọ bụ nkwụsị mmiri, dabere na oke akụkụ. Ntu oyi kwesịrị ịdị ngwa ngwa site na 1500 ruo 800°F (816 ruo 427°C) iji zere nnabata nke chromium carbides ma nye ezigbo nguzogide corrosion. N'ọnọdụ ọ bụla, a ga-eme ka ígwè ahụ dị jụụ site na okpomọkụ na-ekpo ọkụ na okpomọkụ ojii n'ihe na-erughị nkeji atọ.

Na-akpụ akpụ
Okpomọkụ izizi akwadoro bụ 2100-2200°F (1150-1205°C) yana oke ngwụcha nke 1700-1750°F (927-955°C).

Na-ewe iwe
317LMN na Alloy 317L igwe anaghị agba nchara nwere ike annealed na okpomọkụ nso 1975-2150°F (1080-1175°C) na-esote ikuku jụụ ma ọ bụ mmiri menyụọ, dabere na ọkpụrụkpụ. Ekwesịrị ịsacha efere n'etiti 2100°F (1150°C) na 2150°F (1175°C). A ga-eme ka ígwè ahụ dị jụụ site na okpomọkụ na-ekpo ọkụ (site na uhie /acha ọcha ruo nwa) n'ihe na-erughị nkeji atọ.

Ike ike
  • A naghị eme ka akara ule ndị a sie ike site na ọgwụgwọ okpomọkụ.
  • Alloys 316 na 317L igwe anaghị agba nchara tube enweghị ike sie ike site na ọgwụgwọ okpomọkụ.

FAQ
Q: Ị bụ ụlọ ọrụ azụmaahịa ma ọ bụ emeputa?
A: Anyị bụ ndị a trading ụlọ ọrụ na ihe karịrị 15 afọ ahụmahụ na ígwè mbupụ azụmahịa, nwere ogologo okwu imekọ ihe ọnụ na nnukwu igwe igwe na China.
Ajụjụ: Ị ga-ebuga ngwongwo ahụ n'oge?
A: Ee, anyị na-ekwe nkwa inye kacha mma ngwaahịa na nnyefe na time.Honesty bụ anyị ụlọ ọrụ si tenet.
Q: Ị na-enye samples? ọ bụ n'efu ka ọ bụ karịa?
A: Ihe nlele ahụ nwere ike inye ndị ahịa n'efu, mana akaụntụ ndị ahịa ga-ekpuchi ibu ibu.
Ajụjụ: Ị na-anabata nyocha nke ndị ọzọ?
A: Ee, anyị na-anabata nke ọma.
Ajụjụ: Gịnị bụ isi ngwaahịa gị?
A: Carbon ígwè, alloy ígwè, igwe anaghị agba nchara efere / eriri igwe, ọkpọkọ na oyiyi akwa, ngalaba wdg
Ajụjụ: Ị nwere ike ịnakwere usoro nke ahaziri ahazi?
A: Ee, anyị na-ekwe nkwa.



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