Cov khoom siv twg yog 14MoV63?
14MoV63 yog ib qho qis- alloy cua sov- cov hlau tsis muaj zog, sib haum rau cov khoom siv hauv Suav teb 15CrMoR. Nws yog German DIN tus qauv steel qib, tseem hu ua 1.7715 steel (raws li German steel designation system). Nws cov tshuaj muaj pes tsawg leeg muaj xws li 0.10-0.17% carbon, 0.30-0.60% silicon, 0.30-0.60% manganese, 0.025% phosphorus, 0.025% sulfur, 3.00-3.50% chromium, 0.50-25% molybdenum 0.15-0.30% vanadium, mus txog 0.20% tooj liab, thiab mus txog rau 0.03% nitrogen. Cov qib steel no nthuav tawm zoo heev oxidation tsis kam, nkag siab, thiab lub zog kub ntawm qhov kub siab.
14MoV63 Seamless Tubes Thaum tshav kub kub-Resistant Steels Chemistry Composition
14MoV63 Seamless Tubes Thaum tshav kub kub-Resistant Steels Mechanical Properties
Sab nraud Diameter & Tolerance
Phab ntsa thickness & kam rau ua
Cov khoom siv kho tshuab ntawm 14MoV6-3 tuaj yeem ua kom zoo dua los ntawm cov txheej txheem kho cua sov, feem ntau suav nrog normalizing + tempering (NT) lossis quenching + tempering (QT). Cov txheej txheem tshwj xeeb yog raws li hauv qab no:
Normalizing los yog quenching: Cua sov rau 950℃- 990 degree, ua raws li cua txias lossis roj txias.
Tempering: Ua nyob rau ntawm 670℃- 720 degree, nrog cua txias ua los ntawm huab cua lossis cua sov cua sov.
Tom qab kev kho cua sov, qib steel no ua tiav cov sorbite lossis bainite microstructure, uas ua rau muaj zog tensile siab, lub zog tawm los, thiab qaug zog thaum tswj qhov kub hloov pauv qis. Nws cov yam ntxwv mechanical muaj xws li:
Siab -Tsub Muaj Zog: Khaws lub zog zoo hauv ib puag ncig ntawm 500℃- 600℃.
Toughness: Zoo heev cuam tshuam toughness, ua rau nws haum rau siab -muaj cov khoom.
Creep Resistance: Haum rau kev ua haujlwm ntev - nyob rau hauv siab - kub thiab siab - siab.
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