EN10025 S275Nl carbon txheej txheem hlau phaj yog qhov siab- lub zog steel phaj uas muaj dav siv hauv ntau txoj haujlwm engineering thiab kev tsim kho.
EN10025 S275Nl carbon txheej txheem hlau qauv muaj cov khoom siv kho cua sov, kub ua hauj lwm zoo, thiab yog siv dav nyob rau ntau yam kev tsim kho tshiab thiab kev tsim kho. Nws daim ntawv thov tuaj yeem txhim kho kev nyab xeeb thiab kev pabcuam lub neej ntawm cov qauv, thiab yog cov khoom tseem ceeb rau kev txhawb nqa kev txhim kho ntawm Engineering Technology.
Cov cuab yeej siv mennical rau S275NL steel phaj:
| Tuab (mm) | ||||||||
| S275NL | Tsawg dua los yog sib luag rau 16 | >16 tsawg dua los yog sib npaug rau 40 | >40 tsawg dua los yog sib npaug rau 63 | >63 tsawg dua lossis sib npaug rau 80 | >80 tsawg dua lossis sib npaug rau 100 | >100 tsawg dua los yog sib npaug rau 150 | >150 tsawg dua los yog sib npaug rau 200 | > 200 |
| Yield zog (loj dua los yog sib npaug rau MPa) | 275 | 265 | 255 | 245 | 235 | 225 | 215 | 205 |
| Tsawg dua los yog sib npaug rau 100 | >100 tsawg dua los yog sib npaug rau 200 | > 200 | ||||||
| Tensile lub zog (mpa) | 370-510 | 350-480 | 350-480 | |||||
Tshuaj lom neeg tshuaj lom neeg rau S275Nl Steel Phaj (Kev Ntsuam Xyuas Kub Max%)
| Cov Khoom Siv Lub Ntsiab Tseem Ceeb ntawm S275Nl Hlau Phaj | ||||||
| C | Si | Mn | P | S | Nb | V |
| 0.16 | 0.40 | 0.50-1.50 | 0.025 | 0.020 | 0.05 | 0.05 |
| Al (Tag Nrho) | Ti | Cr | Ni | Mo | CU | N |
| Ntau dua los yog sib npaug rau 0.02 | 0.05 | 0.30 | 0.30 | 0.10 | 0.55 | 0.015 |
Lub xeev kho cua sov ntawm En10025 S275NL steel phaj feem ntau yog quenched thiab tempered. Qhov kev kho no tuaj yeem txhim kho lub zog thiab tawv ntawm cov hlau phaj tawv, thiab xyuas kom meej nws cov khoom siv zoo.
EN10025 S275Nl Steel Phaj yog dav siv nyob rau hauv ntau yam kev ua lag luam thiab cov chaw tsim khoom, cov roj av, cov roj av, thiab lwm thaj av uas xav tau high- lub zog steel phaj. Nws daim ntawv thov tau zoo heev txhim kho kev nyab xeeb thiab kev pabcuam lub neej ntawm cov qauv.
