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Spheroidal Grafait Kast Ain

May 27, 2025

Daktil ain i gat ol ain, kabon, na silikon i stap insait long en, em i gat wanpela marasin bilong kamapim sferoid i go insait long ain ol i bin tanim, na kabon i save kamap pastaim olsem sferik grafait, na dispela i mekim na ain i kamap strong bilong daktil ain{{1} Konvensenel prodaksen proses bilong daunim low-sulaten i save putim liklik hap magnesium i go insait long low-sulaten i go insait long low-sulaten i go insait long en, em i save putim liklik mak bilong magnesium i go long magnesium i go insait long low-sulaten i go insait long low-sulaten i go insait long low-sulaten i bin helpim long putim liklik hap magnesium i go long magnesium i go insait long low-sulaten i bin kamap long rot bilong mekim wok bilong magil i go long low-sulaten i go insait bilong ol karbid, silikon i mas putim tu long daunim dispela efek{{4} Dispela tritmen i kamapim ol grafit foming i kamapim ol sferik seip{{5} I no olsem grei kast ain, daktil ain i no kamapim ol yutektik koloni long taim bilong solidifikesen proses{{6} bilong ol wel-fome bilong grafit i olsem 1{9}}0} bilong ol grafit sfera.

 

Mekanikal samting na klasifikesen bilong feritik-pearlitik daktil ain
gret bilong ol samting Tensil strong R/mpa

Bikpela long o wankain olsem
Kondisenel yield strong
R,o.2/mpa i winim o wankain olsem
Elongasen bihain long bruk
A(%) Bikpela long o wankain olsem

HBW
tiknes bilong wol
/mm
Bikpela straksa
QT350-22 350 220 22 I no winim o wankain olsem 160 I no winim o wankain olsem 30 Ferrit
QT400-18 400 250 18 130-175 I no winim o wankain olsem 30 Ferrit
QT400-15 400 250 15 135-180 I no winim o wankain olsem 30 Ferrit
QT450-10 450 310 10 160~210 I no winim o wankain olsem 30 Ferrit
QTS00-7 500 320 7 170~230 I no winim o wankain olsem 30 Feri + perlite
QT550-5 550 350 5 180-250 I no winim o wankain olsem 30 Feri + perlite
QT600-3 600 370 3 190-270 I no winim o wankain olsem 30 Pearlite + ferit
QT700-2 700 420 2 225-305 I no winim o wankain olsem 30 Perlite
QT800-2 800 480 2 245-335 I no winim o wankain olsem 30 Pearlite o sorbait
QT900-2 900 600 2 280-360 I no winim o wankain olsem 30 Ol martensait o fleksen i gat tempera
Stinit + sorbait
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