316L igwe anaghị agba nchara

Ihe mejupụtara, njirimara na ngwa

Iji ghọta igwe anaghị agba nchara 316L, mmadụ ga-ebu ụzọ ghọta 316 igwe anaghị agba nchara.

316 bụ austenitic chromium-nickel igwe anaghị agba nchara nke nwere n'etiti abụọ na 3% molybdenum.Ọdịnaya molybdenum na-eme ka nguzogide corrosion dịkwuo mma, na-abawanye iguzogide pitting na ngwọta ion chloride, ma na-eme ka ike dịkwuo elu.

Kedu ihe bụ 316L igwe anaghị agba nchara?

316L bụ obere carbon ọkwa nke 316. Nke a ọkwa bụ dịghịzi si sensitization (grain boundary carbide precipitation).A na-eji ya eme ihe mgbe niile na ihe nlere anya dị arọ (ihe karịrị 6mm).Enweghị ọdịiche dị ịrịba ama dị n'etiti igwe anaghị agba nchara 316 na 316L.

Igwe anaghị agba nchara 316L na-enye mgbawa dị elu, nrụgide na-agbaji na ike ike na okpomọkụ dị elu karịa chromium-nickel austenitic igwe anaghị agba nchara.

Nhọpụta Alloy

Aha “L” pụtara naanị “obere carbon.”316L nwere obere carbon karịa 316.

Aha ndị a na-akpọkarị bụ L, F, N, na H. Usoro austenitic nke akara ule ndị a na-enye ezigbo ike siri ike, ọbụlagodi na okpomọkụ cryogenic.

304 vs. 316 igwe anaghị agba nchara

N'adịghị ka ígwè 304 - igwe anaghị agba nchara kachasị ewu ewu - 316 nwere nkwalite nguzogide corrosion sitere na chloride na acid ndị ọzọ.Nke a na-eme ka ọ baa uru maka ngwa n'èzí na gburugburu mmiri ma ọ bụ ngwa ndị nwere ike ikpughe na chloride.

Ma 316 na 316L na-egosipụta nguzogide corrosion kacha mma na ike dị elu na okpomọkụ dị elu karịa 304 ibe ha - karịsịa ma a bịa n'ihe gbasara pitting na crevice corrosion na gburugburu chloride.

316 vs. 316L igwe anaghị agba nchara

Igwe anaghị agba nchara 316 nwere carbon karịa 316L.Igwe anaghị agba nchara 316 nwere ọkwa carbon dị n'etiti ma nwee n'etiti 2% na 3% molybdenum, nke na-enye iguzogide corrosion, ihe acidic, na oke okpomọkụ.

Iji ruo eru dị ka 316L igwe anaghị agba nchara, ọnụ ọgụgụ nke carbon ga-adị ala - kpọmkwem, ọ pụghị gafere 0.03%.Ọkwa carbon dị ala na-eme ka 316L dị nro karịa 316.

N'agbanyeghị ọdịiche dị na ọdịnaya carbon, 316L yiri 316 n'ihe fọrọ nke nta ka ọ bụrụ ụzọ ọ bụla.

Ma igwe anaghị agba nchara dị nnọọ mfe malleable, bara uru mgbe akpụ akpụ dị mkpa maka ihe ọ bụla oru ngo na-enweghị imebi ma ọ bụ ọbụna cracking, na nwere nnukwu iguzogide corrosion na elu tensile ike.

Ọnụ ego dị n'etiti ụdị abụọ a bụ atụnyere.Ha abụọ na-enye ogologo oge dị mma, nguzogide corrosion, yana nhọrọ dị mma na ngwa nrụgide dị elu.

A na-ewere 316L dị mma maka ọrụ nke chọrọ ịgbado ọkụ.316, n'aka nke ọzọ, bụ obere corrosion-eguzogide n'ime weld (weld ire ere) karịa 316L.Nke ahụ kwuru, annealing 316 bụ ihe ngwọta maka iguzogide ire ere weld.

316L dị mma maka oke okpomọkụ, ihe eji eme ihe dị elu, nke na-eme ka ewu ewu ya na-ewu na ọrụ mmiri.

Ha abụọ 316 na 316L nwere ọmarịcha enweghị ike, na-arụ ọrụ nke ọma n'ihulata, ịgbatị, ịbịaru miri, na ịtụgharị.Otú ọ dị, 316 bụ ígwè siri ike karị nke nwere ike ike na ductility dị elu ma e jiri ya tụnyere 316L.

Ngwa

Nke a bụ ọmụmaatụ ụfọdụ ngwa igwe anaghị agba nchara 316L:

• • Akụrụngwa maka nkwadebe nri (karịsịa na gburugburu chloride)
• • Akụrụngwa ọgwụ
• • Ngwa mmiri
• • Ngwa ihe owuwu
• • Ihe ntinye ahụike (ntụtụ, skru na ọkpụkpụ ọkpụkpụ)
• • fasteners
• • Condensers, tankị, na evaporators
• • njikwa mmetọ
• • Ndokwa ụgbọ mmiri, uru, na mkpụbelata mgbapụta
• • Ngwa ụlọ nyocha
• • Ngwá ọrụ ọgwụ na akụkụ
• • Akụrụngwa foto (ink, kemịkalụ foto, rayons)
• • Ndị na-agbanwe ọkụ
• • Mpịakọta ihe mkpofu
• • Akụkụ ọkụ
• • Ndị na-agbanwe ọkụ
• • akụkụ engine jet
• • Valve na mgbapụta akụkụ
• • Akụrụngwa nhazi akwụkwọ, akwụkwọ na textile
• • Mkpuchi ihe owuwu, ọnụ ụzọ, windo na ihe mgbochi
• • Modul dị n'ụsọ osimiri
• • Olulu mmiri na ọkpọkọ maka tankị kemịkal
• • Ụgbọ njem nke kemịkalụ
• • Nri na ihe ọṅụṅụ
• • akụrụngwa ọgwụ
• • eriri sịntetị, akwụkwọ na textile osisi
• • Ụgbọ nrụgide

• Njirimara nke 316L

  A na-amata 316L igwe anaghị agba nchara n'ụzọ dị mfe site n'inyocha ọdịnaya carbon ya - nke kwesịrị ịdị ala karịa nke 316. E wezụga nke ahụ, ebe a bụ ụfọdụ ihe onwunwe 316L nke na-amakwa ọdịiche dị na ọkwa ígwè ndị ọzọ.

  Njirimara anụ ahụ

  316L nwere njupụta nke 8000 kg / m3 na modulus nke 193 GPa.Na okpomọkụ nke 100 ° C, ọ nwere njikọ thermal nke 16.3 W/mK na 21.5 W/mK na 500 ° C.316L nwekwara ihe mgbochi eletriki nke 740 nΩ.m, nke nwere oke okpomọkụ nke 500 J/kg.K.

  Ngwakọta kemịkalụ

  Ihe mejupụtara 316l SS nwere ọkwa carbon kachasị nke 0.030%.Ọkwa silicon kacha elu na 0.750%.Edebere ọkwa kachasị nke manganese, phosphorus, nitrogen, na sọlfọ na 2.00%, 0.045%, 0.100% na 0.030%, n'otu n'otu.316L bụ chromium na 16% min na 18% max.Edebere ọkwa nikel na 10% nkeji na 14% max.Ọdịnaya molybdenum bụ ọkwa kacha nta nke 2.00% yana nke kachasị 3.00%.

  Ihe eji arụ ọrụ

  316L na-edobe opekempe ike ike nke 485 yana ike mkpụrụ kacha nta nke 120 na 0.2% akaebe nke nrụgide.Ọ nwere elongation nke 40% na 50mm / min na ike siri ike nke 95kg n'okpuru ule Hardness Rockwell B.Igwe anaghị agba nchara 316L ruru ike siri ike nke 217kg n'okpuru ule Brinell.

  Nguzogide corrosion

  Ọkwa 316L na-enye ezigbo nguzogide corrosion n'ọtụtụ mgbasa ozi na-emebi emebi na gburugburu ikuku.Ọ na-ejide ya nke ọma ma ọ bụrụ na ọ na-adaba na crevice na pitting corrosion na ọnọdụ chloride na-ekpo ọkụ.Na mgbakwunye, ọ na-egosi na ọ na-adị mma ọbụlagodi n'okpuru ule mgbawa corrosion corrosion na n'elu 60 Celsius.316L na-egosipụta iguzogide mmiri na ọkwa chloride ruru 1000mg/L.

  Igwe anaghị agba nchara 316 dị irè karịsịa na gburugburu acidic - karịsịa mgbe ị na-echebe megide corrosion nke sulfuric, hydrochloric, acetic, formic, na tartaric acid kpatara, yana acid sulfates na alkaline chlorides.