Sib piv nrog 15CrMo thiab 1Cr5Mo
| 15 CrMo | 1cr5 hmo | |||
| Hom: | Cov qauv hlau alloy | High Temperature Hydrogen Resistant Steel | ||
| Chemical Component: | C | 0.12-0.180 Nws | C | ≤ 0.15 |
| Si | 0.17-0.37 Nws | Si | ≤0.5 | |
| Mn | 0.4-0.7 hli | Mn | ≤0.6 | |
| Cr | 0.8 - 1.10 | Cr | 4.0 - 6.0 | |
| Mo | 0.4-0.550 Nws | Mo | 0.4-0.6 hli | |
| S&P | ≤ 0.035 | Ni | ≤0.6 | |
| S | ≤ 0.03 | |||
| Mechanical khoom: | Tensile zog (Mpa): | 440-640 ib | Tensile zog (Mpa): | 390 |
| Yield Point (Mpa) | 235 | Yield Point (Mpa) | 185 | |
| Elongation (%) | 21 | Elongation (%) | 22 | |
| Kev kho cua sov kub: | 690 ℃ | 750 ℃ | ||
| Tso cai kub: | 15CrMo1Cr5Mo | |||
| Tso cai Stress: | 15CrMo＞1Cr5Mo | |||
| Microstructure: | Pearlite (zoo toughness, nruab nrab hardness) | Martensite (nyuaj thiab nkig) | ||
| Txheem: | GB / T11251 | SIB 387 | ||
| Yam ntxwv: | Nws muaj lub zog thermal siab (δb≥440MPa) thiab oxidation tsis kam ntawm qhov kub thiab txias, thiab muaj qee yam ua haujlwm rau hydrogen corrosion. Lub coefficient ntawm thermal expansion yog me me, thermal conductivity yog siab, cov txheej txheem kev ua tau zoo, qhov kub ntawm 450-620 degrees Celsius, hardening nyiam ntawm cov hlau yog pom tseeb, thiab weldability yog tsis zoo. Nws yog dav siv nyob rau hauv kev tsim cov chav turbines thiab boilers, thiab feem ntau yog siv nyob rau hauv tshav kub exchanger raj thiab high-temperature thiab high-pressure hlab ntsha. | Nws muaj oxidation zoo nyob ib ncig ntawm 650 degrees Celsius, zoo thermal zog hauv qab 600, zoo poob siab absorbing thiab thermal conductivity, thiab yog dav siv nyob rau hauv chav turbines. Txawm li cas los xij, hom hlau no muaj lub siab xav ua kom tawv thiab muaj kev ua haujlwm tsis zoo. Nws muaj qhov zoo ntawm qhov kub thiab txias mechanical zog, microstructure stability, corrosion kuj, thiab zoo toughness. Siv dav hauv petrochemical, thee hloov pauv, hluav taws xob nuclear, chav turbine thaiv, thermal fais fab boiler thiab lwm yam kev ua haujlwm hnyav, corrosive media ib puag ncig. | ||
| Daim ntawv thov: | Petroleum, petrochemical, high-pressure boilers, thiab lwm yam tshwj xeeb-lub hom phiaj seamless kav xws li boiler seamless kav, geological seamless steel kav, thiab roj av seamless kav. Cov kav dej thiab forgings tuaj yeem siv rau hauv cov hlab ntsha siab. Cov kav dej thiab cov taub hau nrog phab ntsa kub ≤510 ℃; Cua sov nto raj nrog phab ntsa kub ≤540 ℃. | Kub sulfur corrosion, kub hydrogen thiab hydrogen sulfide corrosion, organic acid corrosion. Reheater raj nrog phab ntsa kub ntawm 630 ℃ -650 ℃. Cov kav dej thiab forgings tuaj yeem siv rau hauv cov hlab ntsha siab. Kub sulfur corrosion, kub hydrogen thiab hydrogen sulfide corrosion, organic acid corrosion. Reheater raj nrog phab ntsa kub ntawm 630 ℃ -650 ℃. | ||
Sau koj cov lus ntawm no thiab xa tuaj rau peb
