alloy 303
Alloy 303 yog cov hlau tsis sib nqus, austenitic stainless hlau uas tsis tuaj yeem ua los ntawm kev kho cua sov. Nws yog kev hloov kho dawb ntawm qhov pib 18 feem pua chromium / 8 feem pua nickel stainless hlau. Alloy 303 tau tsim tshwj xeeb los ua kom pom kev txhim kho machinability thaum tswj cov khoom siv zoo thiab ...
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Hauj lwm lawm
Alloy 303 yog ib qho tsis sib nqus, austeniticstainless hlauuas tsis yog hardenable los ntawm kev kho cua sov. Nws yog kev hloov kho dawb ntawm qhov pib 18 feem pua chromium / 8 feem pua nickel stainless hlau. Alloy 303 tau tsim tshwj xeeb los nthuav qhia kev ua haujlwm zoo dua qub thaum tswj cov khoom zoo thiab corrosion resistant Vim muaj leej faj nyob rau hauv cov hlau muaj pes tsawg leeg, Alloy 303 yog qhov yooj yim tshaj plaws machineable austenitic stainless hlau; Txawm li cas los xij, qhov sib ntxiv ntawm cov sulfur txo qis Alloy 303 qhov kev tiv thaiv corrosion rau hauv qab ntawm Alloy 304. Zoo li lwm cov qib austenitic, Alloy 303 qhia tau zoo heev, txawm hais tias leej faj txo qhov no me ntsis thiab.
Alloy 303 yog resistant rau me me corrosive ib puag ncig. Txawm li cas los xij, cov hlau tsis zoo corrosion kuj yog qis dua 304 hauv feem ntau cov ntawv thov. Nws cov corrosion kuj yog superior rau 416, lwm yam dawb-machining qib, tab sis yog me ntsis qis dua lwm yam 400 series stainless hlau uas tsis muaj leej faj ntau dua. Txhawm rau kom tau txais qhov zoo tshaj plaws corrosion kuj, nws raug pom zoo tias Alloy 303 raug kho tshuaj kom tshem tawm sulfides ntawm qhov kawg ntawm qhov chaw.
Chemical Composition (%) ntawm 303 Stainless Hlau Phaj
| Chromium | Nickel | Cov pa roj carbon | Manganese | Phosphorus |
| 17.0 feeb.-19.0 max | 8.0 feeb.-10.0 max. | 0.10 | 2.00 | 0.20 |
| Sulfer | Silicon | Tooj | Nickel | Hlau |
| 0.15-0.35 | 1.00 | 1.00 | 0.110 | Tshuav |
Mechanical Properties ntawm 303 Stainless Hlau Phaj
| Yield Strengtd 0.2 feem pua Offset | Qhov kawg Tensile Strengtd | Elongation hauv 2 hauv. | Hardness | ||
| psi (min.) | (MPa) | psi (min.) | (MPa) | feem pua (min.) | (max.) |
| 45,000 | 310 | 85,000 | 586 | 50 | 202 (HBN) |
Lub cev muaj zog ntawm 303 Stainless Phaj
| Qhov ceev lb/inᶟ | 0.290 |
| Qhov ceev g / cm | 7.89 |
| Melting Point | 2552 degree F |
| Thermal conductivity ntawm 212 degree F (100 degree) | 112 BTU/hr/ft²/ft/degree F |
| Thermal conductivity ntawm 212 degree F (100 degree) | 16.2 W / m- degree K |
| Hluav taws xob Resistivity | 28.3 Microhm-hauv ntawm 68 degree |
| Hluav taws xob Resistivity | 72.0 Microhm-cm ntawm 20 degree |
Nta
Qhov zoo ntawm corrosion kuj, txawm li cas los xij, vim tias muaj cov sulfur, tsis tshua muaj zog dua piv rau qib 304.
Tsis muaj kev cuam tshuam thiab tsis tuaj yeem hardened los ntawm kev kho cua sov / cua sov.
Daim ntawv thov
303 yog cov qib zoo stainless hlau siv rau hauv kev siv machining. Feem ntau 303 tuaj yeem pom siv hauv shafts, txiv ntseej, bolts, nrog lub zog, hauv cov dav hlau fittings316L Qib Stainless hlau yog ib qho ntawm ntau hom austenitic stainless hlau.
Muaj Tshuag Loj
Saib cov khoom tshwj xeeb rau qhov loj me. Ntawm no ntawm Atlantic Stainless, tsis muaj kev nug loj lossis me dhau. Xav tias dawb hu rau peb hnub no rau ib nqe lus ntawm ib qho ntawm koj qhov kev txiav txim loj.
Yog tias koj tab tom nrhiav rau qib ntawm austenitic stainless hlau uas yuav zoo rau kev ua haujlwm, 303 Stainless Steel muaj cov khoom sib xyaw ua ke uas ua rau nws yog tus neeg sib tw zoo tshaj. Cov hlau no yog qhov zoo tshaj plaws rau kev siv tshuab ua haujlwm ntau vim tias qhov nce qib ntawm sulfur tam sim no nyob rau hauv nws cov muaj pes tsawg leeg. Nco ntsoov txawm hais tias cov leej faj txo qis qhov kev tiv thaiv corrosion, nrog rau kev weldability thiab formability ntawm 303 piv rau hais lub toughness pom nyob rau hauv 304 Stainless hlau.
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