A2-60, A2-70, A2-80 Austenitic stainless hlau puag ncig tuav thiab hexagonal tuav

A2-60, A2-70, A2-80 Austenitic stainless hlau puag ncig tuav thiab hexagonal tuav

A1, A2, A4 sawv cev rau 302, 304, 316; 45, 50, 60, 70, 80 sawv cev rau 1/10 ntawm qhov tsawg kawg nkaus tensile zog ntawm fasteners. A4 yog austenitic stainless hlau, tsim rau boiling sulfuric acid, Yog li ntawd, lub npe yog acid-resistant hlau, uas yog metastable acid-resistant hlau, feem ntau sawv cev rau SUS316.
A sawv cev rau "austenite", 2 sawv cev rau cov khoom siv thib ob (qhov tseeb, 2 txhais tau tias 304), thiab -70 sawv cev rau qib zog yog 700 MPa. Cov ntaub ntawv feem ntau yog A2 thiab A4, uas yog 304 thiab 316 feem, tab sis tsuav yog cov txheej txheem tuaj yeem lav tau Kev ua tau zoo, cov tshuaj lom neeg tuaj yeem nkag mus thiab tawm. Cov qib feem ntau yog:
A2-60
A2-70
A2-80
A4-70
A4-80
A4-90
A1, A2, A4 sawv cev rau 302, 304, 316; 45, 50, 60, 70, 80 sawv cev rau 1/10 ntawm lub zog tensile tsawg kawg nkaus ntawm lub fastener.
A4 yog ib hom hlau austenitic stainless uas tau tsim los rau kev rhaub sulfuric acid. Yog li ntawd, cov hlau uas tiv taus kua qaub hu ua metastable acid-resistant steel, feem ntau yog SUS316. 70 thiab 80 tom qab A4-70 thiab A4-80 sawv cev rau 1/10 ntawm lub zog tensile tsawg kawg nkaus ntawm cov fastener. A4-70 thiab A4-80 tsis txawv ntawm cov khoom siv nws tus kheej. Txij li thaum lawv yogaustenitic stainless hlau bar, lawv tsis tuaj yeem kho los ntawm kev kho cua sov. Txoj hauv kev los txhim kho lub zog tensile, qhov nce hauv lub zog tensile yog los ntawm kev hloov pauv ntawm qhov teeb meem dislocation (feem ntau hu ua txias hardening), A4-70 bolts ntawm kev ua lag luam dua li kev ncig, A4-80 tsis tshua muaj.