Fa'atusatusa i le 15CrMo ma le 1Cr5Mo
15CrMo | 1Cr5Mo | |||
Ituaiga: | Uamea Fa'ameamea | Temperature Hydrogen Resistant Steel | ||
Vaega Vailaau: | C | 0.12---0.180 | C | ≤0.15 |
Si | 0.17--0.37 | Si | ≤0.5 | |
Mn | 0.4--0.7 | Mn | ≤0.6 | |
Cr | 0.8---1.10 | Cr | 4.0--6.0 | |
Mo | 0.4--0.550 | Mo | 0.4--0.6 | |
S&P | ≤0.035 | Ni | ≤0.6 | |
S | ≤0.03 | |||
Meatotino Fa'ainisinia: | Malosi (Mpa): | 440~640 | Malosi (Mpa): | 390 |
Mata'u e maua ai (Mpa) | 235 | Mata'u e maua ai (Mpa) | 185 | |
Fa'atele(%) | 21 | Fa'atele(%) | 22 | |
vevela vevela vevela: | 690 ℃ | 750 ℃ | ||
vevela fa'ataga: | 15CrMo<1Cr5Mo | |||
Fa'atiga Fa'ataga: | 15CrMo>1Cr5Mo | |||
Micro fausaga: | Pearlite (malosi lelei, maaa feololo) | Martensite (malosi ma gau) | ||
tulaga: | GB/T11251 | SA387 | ||
uiga: | E maualuga le malosi o le vevela (δb≥440MPa) ma le faʻamaʻiina o le faʻamaʻiina i le maualuga o le vevela, ma e iai se teteʻe i le hydrogen corrosion. O le coefficient o le faʻalauteleina o le vevela e laʻititi, o le faʻauluina o le vevela e maualuga, o le faʻatinoga o le gaioiga e lelei, o le vevela o le 450-620 tikeri Celsius, o le faʻamaʻaʻaina o le uamea e iloagofie, ma e le lelei le faʻaogaina. E masani ona faʻaaogaina i le gaosiga o vaʻa afi ma faʻavela, ma e tele lava ina faʻaaogaina i totonu o faʻamalo vevela vevela ma vaʻa vevela ma maualuga. | E lelei le faʻamaʻiina o le faʻamaʻiina i le 650 tikeri Celsius, lelei le malosi o le vevela i lalo ifo o le 600, faʻateʻia lelei ma le faʻaogaina o le vevela, ma e faʻaaogaina lautele i afi afi. Ae ui i lea, o lenei ituaiga uʻamea o loʻo i ai se uiga tele e faʻamaʻa ma e le lelei le faʻaogaina o le uelo. E lelei le maualuga o le vevela o mea faʻainisinia, microstructure mautu, teteʻe o le corrosion, ma le malosi lelei. Fa'aaoga lautele i le petrochemical, liua koale, malosiaga faaniukilia, poloka turbine ausa, vevela malosi ma isi tulaga faigaluega faigata, siosiomaga ala o faasalalauga corrosive. |
Talosaga: | Suau'u, suau'u, faumea maualuga, ma isi paipa fa'apitoa fa'apitoa e aofia ai paipa u'amea, paipa u'amea fa'afanua, ma paipa fa'alelei ole suauu. E mafai ona fa'aogaina paipa ma fa'alava i va'a mamafa. Paipa ausa ma ulutala ma le vevela puipui ≤510 ℃; Fa'avevela luga fa'alava ma puipui vevela ≤540 ℃. | Ole maualuga ole vevela ole sulfur corrosion, maualuga le vevela ole hydrogen ma le hydrogen sulfide corrosion, organic acid corrosion. Toe fa'avevela fa'au ma le vevela puipui o le 630 ℃ -650 ℃. E mafai ona fa'aoga paipa ma fa'alava i va'a mamafa. Ole maualuga ole vevela ole sulfur corrosion, maualuga le vevela ole hydrogen ma le hydrogen sulfide corrosion, organic acid corrosion. Toe fa'a'ave'ave fa'aau ma puipui vevela o le 630 ℃ -650 ℃. |
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