Super Duplex Steel S32750 Tube, Ihe ndozi, Ogwe, Mpempe akwụkwọ, Mpempe akwụkwọ
Ngwaahịa dị
Ọkpụkpọ enweghị nkebi, Efere, Mkpanaka, Forgings, Fasteners, Pipe Fittings.
Ụkpụrụ mmepụta
| Ụkpụrụ mmepụta | |
| Ngwaahịa | ASTM |
| Ogwe, ibe na profaịlụ | A 276, A 484 |
| Efere, Mpempe akwụkwọ na warara | A 240, A 480 |
| Ọkụ na-enweghị ntụpọ na welded | A 790, A 999 |
| Ngwakọta ọkpọkọ enweghị nkebi na welded | A 789, A 1016 |
| Ngwakọta | A815, A960 |
| Ọkpụkpọ ọkpọkọ adịgboroja ma ọ bụ akpọrepu na ihe arụrụ arụ | A 182, A961 |
| Na-akpụ akpụ akpụ na mpempe akwụkwọ | A 314, A 484 |
Ngwakọta kemịkalụ
| % | Fe | Cr | Ni | Mo | C | Mn | Si | P | S | Cu | N |
| Min | guzozie eguzozie | 24.0 | 6.0 | 3.0 | 0.24 | ||||||
| Oke | 26.0 | 8.0 | 5.0 | 0,030 | 1.20 | 0.80 | 0,035 | 0.020 | 0,50 | 0.32 |
Njirimara anụ ahụ
| Njupụta | 7.75 g/cm3 |
| Na-agbaze | 1396-1450 ℃ |
Ihe eji eme ihe S32750
2507 bụ super duplex igwe anaghị agba nchara na mma corrosion nguzogide na ike karịa 2205. Ọ na-ejikọta ndị kasị uru Njirimara nke ọtụtụ ferritic na austenitic steels na, n'ihi na ya elu chromium na molybdenum ọdịnaya, nwere magburu onwe iguzogide edo, pitting na crevice corrosion.Ihe owuwu nke okpukpu abụọ na-eme ka nchara ahụ nwee nnukwu nguzogide nrụgide corrosion crack na ike igwe dị elu.
Ọdịnaya dị elu nke chromium na molybdenum na-eme ka ọ nwee nguzogide siri ike na nrụrụ niile nke organic acids dị ka formic acid, acetic acid, wdg, ma nweekwa nguzogide corrosion siri ike na acid inorganic, ọkachasị ndị nwere chlorides.E jiri ya tụnyere 904L, nke emebere nke ọma iji guzogide acid sulfuric dị ọcha, 2507 nwere nguzogide corrosion siri ike na sulfuric acid gbakọtara na ion chloride.
Enweghị ike iji ọkwa 316L na gburugburu ebe obibi hydrochloric acid, ọ nwere ike ịbụ n'okpuru corrosion mpaghara ma ọ bụ n'ozuzu corrosion, ebe 2507 nwere ike iji mee ihe na gburugburu hydrochloric acid diluted, na-enwe ike mgbochi ntụpọ na mgbochi crevice corrosion ikike.Ọdịnaya carbon dị ala nke 2507 na-ebelata ihe ize ndụ nke ọdịda carbide na intergranular n'oge ọgwụgwọ okpomọkụ na, yabụ, ọ na-eguzogide nke ukwuu na corrosion intergranular metụtara carbide.
2507 nwere ike mkpakọ dị elu, ike mmetụta na ọnụ ọgụgụ mgbasawanye ọkụ dị ala na ịdị elu nke thermal conductivity, àgwà ndị a dabara adaba maka ọtụtụ akụkụ nhazi na akụkụ ígwè ọrụ.
2507 ekwesịghị itinye ya na ọnọdụ okpomọkụ dị elu karịa 300 ℃ ruo ogologo oge, nke nwere ike ime ka ike ya kwụsị.
Nguzogide corrosion nke ihe S32750
1. Nguzogide corrosion
Ọdịnaya chromium na molybdenum dị elu nke SAF 2507 na-eme ka ọ na-eguzogide nnukwu corrosion nke organic acid dị ka formic acid na acetic acid.SAF 2507 alloy nwekwara ike iguzogide acid inorganic, karịsịa ndị nwere chlorides.iguzogide corrosion.
E jiri ya tụnyere 904L, SAF2507 nwere nguzogide corrosion siri ike na sulfuric acid gwakọtara na ion chloride.904L bụ alloy na steeti austenitic, emebere nke ọma iji guzogide corrosion sulfuric acid dị ọcha.
Enweghị ike iji ọkwa 316L na gburugburu hydrochloric acid, ọ nwere ike ịdaba na corrosion mpaghara ma ọ bụ nrụrụ zuru oke.Enwere ike iji SAF2507 na gburugburu hydrochloric acid dilute, nwere ikike mgbochi mgbochi na mgbochi crevice.
2. Intergranular corrosion
Ọdịnaya carbon dị ala nke SAF 2507 na-ebelata ihe ize ndụ nke ọdịda carbide intergranular n'oge ọgwụgwọ okpomọkụ, yabụ, alloy a na-eguzogide nke ukwuu na corrosion intergranular metụtara carbide.
3. nrụgide corrosion cracking
Ọdịdị duplex nke SAF 2507 na-eme ka ọ bụrụ ihe na-eguzogide nrụgide nrụgide corrosion cracking.N'ihi ọdịnaya alloy ya dị elu, nguzogide corrosion na ike nke SAF 2507 dị mma karịa 2205.
Ihe mgbawa fọrọ nke nta ka ọ bụrụ ihe a na-apụghị izere ezere na ihe owuwu, wdg, nke na-eme ka igwe anaghị agba nchara nwee ike ịdaba na corrosion na gburugburu chloride.SAF 2507 nwere ikike siri ike iguzogide corrosion mgbawa.Usoro isocorrosion nke SAF 2507 na sulfuric acid nwere 2000ppm ion chloride 0.1 mm / afọ;isocorrosion curve na hydrochloric acid 0.1 mm / afọ.
Mpaghara Ngwa ihe S32205
2507 igwe anaghị agba nchara na-eji mmanụ na gas ụlọ ọrụ;Okpokoro mmanụ Shipotian nke dị n'ụsọ oké osimiri (tube ndị na-ekpo ọkụ ọkụ, ọgwụgwọ mmiri na mmiri na-enye mmiri, usoro nchebe ọkụ, usoro ịgba mmiri mmiri, usoro nkwụsi ike mmiri; ngwá ọrụ petrochemical; desalination (desalination) ngwá (na ngwá ọrụ na High-nrụgide ọkpọkọ, oké osimiri pipụ); na ihe nhazi nke na-achọ ma ike dị elu na nguzogide corrosion dị elu; combustion (ikuku ume) ngwa nchacha gas.
Pipeline ụlọ ọrụ kemịkalụ, arịa, ndị na-ekpo ọkụ ọkụ, pipeline mmiri mmiri na osisi desalination, akụrụngwa ụlọ ọrụ mmanụ na gas, sistemu ikuku gas desulfurization, akụrụngwa ịsa ahụ, ụlọ elu absorption, tankị mmiri mmiri.
