Cov hlau tsis xeb uas siv ntau yog 304 thiab 316, nrog rau kev txuas ntxiv suav nrog 304L, 316L, thiab 316H. Tsis tas li ntawd, muaj 440C, 2507, thiab lwm yam. Yog li CF8M thiab CF3 yog dab tsi? Kuv tseem tuaj yeem pom F316 li cas? Muaj dab tsi tshwm sim nrog TP316L?
1. Yuav kom meej meej qhov no, cia peb xub saib cov ntaub ntawv. Hauv kev lag luam twj paj nruag thiab cov khoom siv, cov ntaub ntawv siv feem ntau yog cov khoom forgings, bar stock, castings, thiab cov kav dej. Cov qauv sib xws rau plaub hom ntaub ntawv no hauv peb txoj kev lag luam yog dab tsi? Thov saib lub rooj no:
|
| 304 | 304L | 316 | 316L |
| Kev ntaus nrig | F304 | F304L | F316 | F316L |
| Cov Khoom Noj Khoom Haus | 304 | 304L | 316 | 316L |
| Kev ua yeeb yam | CF8 | CF3 | CF8M | CF3M |
| Yeeb Nkab | TP304 | TP304L | TP316 | TP316L |
Cov khoom siv bar stock siv qib yooj yim, thiab F ntxiv rau qhov forging, qhov twg F sawv cev rau forging; C tau ntxiv rau qhov casting, qhov twg C sawv cev rau casting; TP tau ntxiv rau cov yeeb nkab, uas txhais tau tias yeeb nkab.
2. Qhov txawv ntawm 304 thiab 316 yog dab tsi? L ntawm 304L thiab 316L sawv cev rau dab tsi? H ntawm 316H txhais li cas? Cia peb saib cov lus qhia txog cov tshuaj lom neeg ntawm ntau qib ntawm ASTM A276, qhov twg 316H yog tus qauv ASTM A182 (qib no tsis suav nrog hauv tus qauv 276):
| Qib | Cov Tshuaj Muaj Peev Xwm,% | ||||||||
|
| C | Mn | P | S | Si | Cr | Ni | Mo | Lwm yam |
| 304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | ... | ... |
| 304L | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-12.0 | ... | ... |
| 316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 10.0-14.0 | 2.00-3.00 | ... |
| 316L | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 10.0-14.0 | 2.00-3.00 | ... |
| 316H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | ... |
Raws li lub rooj, nws yog qhov tseeb tias L txhais tau tias cov ntsiab lus carbon tsawg, H txhais tau tias cov ntsiab lus carbon siab, thiab qhov sib txawv ntawm 316 thiab 304 yog qhov ntxiv ntawm Mo element, uas txhais tau tias CF3M muaj Mo element ntxiv piv rau CF3.
3、 Dhau li ntawm cov hlau stainless 3-series no, lwm yam yog dab tsi ntxiv? Cov hlau stainless 3-hau no hu ua austenitic stainless steels, thaum 2507 yog duplex steel (ferritic thiab austenitic), 440C yog martensitic stainless steel, thiab kuj muaj ferritic stainless steels xws li 430.
Yuav kom meej meej txog cov hlau tsis xeb no, thawj qhov yog kom paub qhov txawv ntawm cov duab: cov kav dej, thiab lwm yam, qhov thib ob yog cov qauv uas ua raws, thiab qhov thib peb yog qhov sib txawv ntawm cov khoom sib xyaw. Los ntawm qhov kev xav no, tom qab paub txog lub ntsiab lus ntawm cov ntawv sau, nws tsis nyuaj rau nkag siab lub ntsiab lus ntawm cov qib no.
Hikelok, ib lub chaw tsim khoom ntawmcov twj siv thiab cov khoom siv.
Yog xav paub ntxiv txog kev txiav txim, thov saib ntawm qhov kev xaivcov ntawv teev nperauLub vev xaib official ntawm HikelokYog tias koj muaj lus nug txog kev xaiv, thov hu rau Hikelok cov neeg ua haujlwm muag khoom online 24 teev.
Lub sijhawm tshaj tawm: Lub Ob Hlis-27-2025