Calcium silicon alloy 5528, tsim los ntawm Ca28Si60, yog qhov siab -kev ua tau zoo sib xyaw ua ke uas sib xyaw ua ke ntawm cov muaj zog deoxidizing cov calcium (Ca Ntau dua lossis sib npaug li 28%) nrog cov alloying zoo thiab deoxidizing element silicon (Si 55-65%). Nws cov txiaj ntsig tseem ceeb nyob hauv kev ua kom tiav "ib- ntxiv, ntau- ua haujlwm" cov nyhuv- ua kom huv huv ntawm cov hlau thiab hlau, kev tswj hwm kev suav nrog morphology, thiab kev ua kom zoo ntawm microstructure-los ntawm kev sib koom ua ke ntawm calcium thiab silicon. Piv rau ib txwm ib txwmferrosiliconlos yog ntshiab calcium additives, CaSi 5528 tuaj yeem ua tau zoo dua thiab kev lag luam daws cov teeb meem ntawm sulfide thiab oxide tswj hauv high-kawg steel ntau lawm, ua rau nws yog ib qho tseem ceeb ntawm cov khoom siv raw rau kev tsim cov khoom siab -purity, siab - zog, thiab siab -toughness{5} zoo steels thiab castings tshwj xeeb.

Calcium silicon alloy

Kev tsim cov txheej txheem ntawm calcium silicon alloy

Cov txheej txheem ntau lawm ntawmcalcium silicon alloyFeem ntau muab faib ua peb theem: ore beneficiation, ore txo thiab alloy smelting.

Ore kev pab

Cov khoom siv raw ntawm SiCa alloy feem ntau yog silica ore thiab calcium ore, xws li limestone. Ua ntej, cov khoom siv raw tau txais txiaj ntsig los tshem tawm cov impurities thiab txhim kho lawv cov purity thiab txo qis.

Ore txo

Tom qab ua cov ntxhia, cov ntaub ntawv raug txo qis los txo cov oxides rau cov hlau qub. Cov theem no feem ntau decomposes cov oxides hauv silicon ore thiab calcium ore rau hauv silicon thiab calcium los ntawm siab - kub txo cov tshuaj tiv thaiv.

Alloy smelting

Cov silicon thiab calcium uas tau txais tom qab txo cov ore yuav raug smelted ntxiv los ua calcium silicon alloy. Cov txheej txheem smelting feem ntau suav nrog cov kauj ruam xws li hlawv, ci, smelting, thiab refining. Los ntawm cov txheej txheem no, silicon thiab calcium nyob rau hauv alloy yuav dhau los ua ib yam khoom tshiab, silicon calcium alloy.

tshuaj muaj pes tsawg leeg

Qeb Parameter

5528 (Ca28Si60) Cov Lus Qhia Tshwj Xeeb

Metallurgical Qhov tseem ceeb thiab cov txheej txheem kev xaiv

Cov ntsiab lus tseem ceeb

Calcium (Ca): Ntau dua lossis sib npaug li 28%
Silicon (Si): 55-65%

Cov ntsiab lus calcium siab ua kom muaj peev xwm tuav tau zoo rau cov sulfur, oxygen, thiab alumina suav nrog; cov ntsiab lus silicon siab muab lub hauv paus rau kev pab cuam deoxidation thiab alloying, thiab pab txhawb rau cov txheej txheem tshuaj tiv thaiv ruaj khov.

Ntsiab impurity Control

Cov pa roj carbon (C): Tsawg dua lossis sib npaug li 1.0%
Aluminium (Al): Tsawg dua lossis sib npaug li 2.4%
Phosphorus (P): Tsawg dua lossis sib npaug li 0.04%,Sulfur (S): Tsawg dua lossis sib npaug li 0.06%

nruj me ntsis phosphorus thiab sulfur tswj kom tsis txhob muaj kuab paug thib ob ntawm cov hlau molten; Cov ntsiab lus nruab nrab ntawm txhuas tuaj yeem pab deoxidation, tab sis cov qib txhuas cov ntsiab lus sib txawv yuav tsum raug xaiv raws li qib steel qib kawg.

Daim ntawv lub cev

Blocks:10-50mm, 10-100mm (zoo rau ladle additives)

Granules:0-3mm, 3-8mm (tsim rau hlau noj lossis casting inoculation)

Hmoov:Customizable (rau cov txheej txheem tshwj xeeb xws li txau)

Kev xaiv daim ntawv nyob ntawm tus txheej txheem: lumps yog siv rau niaj hnub ntxiv; granules yog siv rau kev tswj kom meej; hmoov yog siv rau kev ua kom zoo dispersion thiab cov tshuaj tiv thaiv sai.

Cov khoom siv

Calcium silicon alloy 5528 (muaj li ntawm 55% silicon thiab txog 28% calcium) muaj qhov tshwj xeeb daim ntawv thov zoo nyob rau hauv ntau yam kev lag luam vim nws optimized muaj pes tsawg leeg. Cov ntawv thov tseem ceeb yog raws li hauv qab no:

1. Steel kev lag luam

Raws li ib tugcomposite deoxidizerthiab desulfurizer rau siab-kawg steel ntau lawm, nws tuaj yeem txo cov pa oxygen thiab sulfur cov ntsiab lus ntawm cov kua hlau, txhawb cov ntab ntawm cov hlau tsis yog-cov khoom siv hlau, thiab txhim kho cov purity ntawm cov hlau. Nws yog tsim rau automotive steel (xws li siab - lub cev steel daim hlau, cav hlau), aerospace steel (aircraft structural parts, engine parts raw khoom) thiab hluav taws xob steel (kev txhim kho electromagnetic zog, siv nyob rau hauv transformer thiab motor manufacturing). cov

2. Casting kev lag luam

Nws plays lub luag haujlwm hauv deoxidation, purification thiab inoculation hauv casting, tuaj yeem ua kom zoo thiab spheroidize graphite, txo qhov nyiam ntawm cov hlau cam khwb cia, nce silicon, desulfurize, thiab txhim kho cov qauv thiab kev ua haujlwm ntawm cam khwb cia hlau. Nws yog siv nyob rau hauv castings xws li tsheb cav cylinders, loj mechanical qhov chaw, yeeb nkab fittings, thiab lwm yam., uas yuav txhim khu kev hnav tsis kam thiab kub tsis kam, txhim kho kev ua tau zoo, thiab txo qhov tsis xws luag casting.

3. Lwm yam teb

Nonferrous hlau smelting:Nws tuaj yeem siv los ua tus neeg saib xyuas zoo rau txhuas alloys, tooj liab alloys, thiab lwm yam kom tshem tawm impurities thiab kho cov alloy muaj pes tsawg leeg. cov

Kev lag luam tshuaj:Nws tuaj yeem siv los ua cov catalyst lossis txo tus neeg sawv cev los koom rau hauv cov tshuaj synthesis tshuaj uas yuav tsum tau txo cov kev mob. cov

Cov khoom siv hluav taws xob tshiab:Nws muaj peev xwm siv tau hauv kev tshawb fawb thiab tsim cov khoom siv roj teeb, cov khoom siv hydrogen, thiab lwm yam.

SGS

Khoom Description

Q: Dab tsi yog qhov zoo ntawm calcium silicon alloy 5528 piv rau cov calcium ntshiab hlau lossis calcium - hlau cored hlau?

A:5528 yog cov khoom siv ua haujlwm sib xyaw. Ntshiab calcium hlau muaj cov ntsiab lus calcium ntau tab sis hnov mob hnyav thiab kim; calcium- hlau hlau muaj cov ntsiab lus calcium tsawg. Lub synergistic nyhuv ntawm silicon thiab calcium nyob rau hauv 5528 ua rau nws cov tshuaj tiv thaiv ntau ruaj khov thiab tswj tau. Cov nyhuv deoxidizing ntawm silicon tsim ib puag ncig zoo rau kev kho calcium, txhim kho cov calcium yield thiab stability ntawm kev kho mob, thiab muaj ib tug zoo dua tag nrho cov nqi, ua rau nws tshwj xeeb tshaj yog haum rau loj thiab nruab nrab - steel ladles.

Q: Yuav ua li cas xam thiab optimize cov calcium kho yield?

A:Yield=(Calcium absorbed los ntawm molten steel / Tag nrho calcium ntxiv) × 100%. Cov ntsiab lus tseem ceeb ntawm kev ua kom zoo: 1) Kev kho lub sij hawm: Ua tom qab txaus deoxidation thiab desulfurization ([S] Tsawg dua lossis sib npaug li 0.015%); 2) Qhov tob ntxiv: xyuas kom cov hlau ntxiv rau hauv qab ntawm lub ladle (1/2-2/3 qhov tob); 3) stirring siv: Ua ke nrog tsim nyog hauv qab-blowing argon stirring. Raws li peb qhov kev paub dhau los, siv 5528 block alloy, calcium rov qab tus nqi tuaj yeem ruaj khov ntawm 20% -35% raws li kev ua haujlwm zoo.

Q: Dab tsi yog qhov zoo tshaj qhov ntxiv thaum siv rau casting inoculation?

A:Raws li ib qho inoculant, qhov pom zoo ntxiv tus nqi yog 0.1% -0.3% ntawm qhov hnyav ntawm cov hlau molten. Tus nqi tshwj xeeb yuav tsum tau txiav txim siab sim ua raws li cov ntsiab lus ntawm leej faj ntawm cov hlau molten qub, lub hom phiaj spheroidization tus nqi, thiab cov phab ntsa casting thickness. Kev sib ntxiv ntau dhau tuaj yeem ua rau muaj kev xav ntau ntxiv rau cov porosity shrinkage hauv casting los yog nce hauv slag ntim.

calcium silicon alloy 5528