Tulee ya na 15CrMo na 1Cr5Mo
| 15CrMo | 1Cr5Mo | |||
| Ụdị: | Structural Alloy Steel | Igwe na-eguzogide mmiri dị elu | ||
| Akụkụ kemịkalụ: | 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 | |||
| Ngwongwo igwe: | Ike Tensile (Mpa): | 440-640 | Ike Tensile (Mpa): | 390 |
| Ọnụ Mpụta (Mpa) | 235 | Ọnụ Mpụta (Mpa) | 185 | |
| Elongation (%) | 21 | Elongation (%) | 22 | |
| okpomọkụ ọgwụgwọ okpomọkụ: | 690 ℃ | 750 ℃ | ||
| Okpomọkụ ekwe ekwe: | 15CrMo | 1Cr5Mo | |||
| Nchegbu enwere ike ime: | 15CrMo na 1Cr5Mo | |||
| Ọdịdị Micro: | Pearlite (ezigbo ike, ike na-agafeghị oke) | Martensite (ike na kenkuwa) | ||
| Ọkọlọtọ: | GB/T11251 | SA387 | ||
| Njirimara: | Ọ nwere ike thermal dị elu (δb≥440MPa) na nguzogide oxidation na oke okpomọkụ, ma nwee ụfọdụ nguzogide na hydrogen corrosion. Ọnụ ọgụgụ nke mgbasawanye nke thermal dị ntakịrị, ihe ọkụkụ na-ekpo ọkụ dị elu, usoro nhazi ahụ dị mma, okpomọkụ dị 450-620 Celsius, ike siri ike nke ígwè ahụ doro anya, na weldability adịghị mma. A na-eji ya eme ihe n'ọtụtụ ebe na-emepụta turbines na ndị na-ekpo ọkụ ọkụ, a na-ejikarị ya eme ihe na tubes na-ekpo ọkụ na ọkụ ọkụ na arịa dị elu. | Ọ nwere ezigbo nguzogide oxidation gburugburu 650 degrees Celsius, ezigbo ike ọkụ dị n'okpuru 600, ezigbo ujo absorption na thermal conductivity, a na-ejikwa ya na turbines. Otú ọ dị, ụdị ígwè a nwere nnukwu ọchịchọ imesi ike ma nwee ọrụ ịgbado ọkụ na-adịghị mma. Nwere ezigbo akụrụngwa igwe dị elu dị elu, nkwụsi ike microstructure, nguzogide corrosion na ịdị mma siri ike. A na-eji ya eme ihe na petrochemical, ntụgharị coal, ike nuklia, ngọngọ turbine uzuoku, ọkụ ọkụ ọkụ na ọnọdụ ọrụ ndị ọzọ siri ike, gburugburu mgbasa ozi na-emebi emebi. | ||
| Ngwa: | Petroleum, petrochemical, boilers high pressure, na ihe ndị ọzọ pụrụ iche nke na-enweghị ntụpọ gụnyere ọkpọkọ ji esi mmiri ọkụ, ọkpọkọ nchara na-enweghị ntụpọ, na ọkpọkọ mmanụ ala. Enwere ike iji ọkpọkọ na forgings mee ihe na arịa nrụgide. Uzuoku ọkpọkọ na nkụnye eji isi mee na a mgbidi okpomọkụ ≤510 ℃; Kpo oku elu tube na mgbidi okpomọkụ ≤540 ℃. | Igwe sọlfọ sọlfọ dị elu, oke okpomọkụ hydrogen na hydrogen sulfide corrosion, organic acid corrosion. Reheater tube na mgbidi okpomọkụ nke 630 ℃ -650 ℃. Enwere ike iji ọkpọkọ na forgings mee ihe na arịa nrụgide. Igwe sọlfọ sọlfọ dị elu, oke okpomọkụ hydrogen na hydrogen sulfide corrosion, organic acid corrosion. Reheater tube na mgbidi okpomọkụ nke 630 ℃ -650 ℃. | ||
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