QN1803 (304D) igwe anaghị agba nchara

Nkọwa dị mkpirikpi:

QN1803 (304D) igwe anaghị agba nchara na-ekpo ọkụ na oyi akpọrepu igwe anaghị agba nchara



Nkọwa ngwaahịa

Mkpado ngwaahịa

1.  Nkọwa:

Ọhụrụ ngwaahịa ọkwa QN1803 bụ ụwa mbụ elu nitrogen, elu corrosion eguzogide, nickel-azọpụta austenitic igwe anaghị agba nchara ngwaahịa.

Na ndabere nke n'ịhụ na corrosion eguzogide nhata 304 igwe anaghị agba nchara, ike nke ihe na-mma, na ihe onwunwe.

a na-ebelata ọnụ ahịa, na-eme ka ọ dịkwuo ọnụ ahịa ma na-asọmpi n'ahịa karịa 304 igwe anaghị agba nchara.

Ihe njiri mara ngwaahịa ọhụrụ: nitrogen dị elu (≥2000ppm), chromium dị elu (≥18%), nickel ọkara (~ 3.0%) na ọla kọpa dị elu (≥1.5%).

Site na igwe onyonyo R&D dijitalụ Thermo-Calc thermodynamic usoro eserese mgbako ngwanrọ yana nyocha data nnwale, na-agbanwe

alloying ọcha nke ọ bụla akụkụ akụkụ ọ bụghị nanị na-eme ka corrosion nguzogide nke ngwaahịa, ma na-eme ka mkpụrụ ike nke QN1803.

karịa 1.3 ugboro karịa 304.

QN1803 nwere atụmatụ ndị a:

1) corrosion corrosion nke PREN = Cr + 3.3Mo + 30N-Mn dị n'elu 19.0, nke nwere opekata mpe otu nguzogide corrosion nke 304.

igwe anaghị agba nchara.

2) Nguzogide corrosion otu dị na dilute hydrochloric acid, dilute sulfuric acid, acetic acid + nnu na gburugburu ndị ọzọ dị mma karịa.

304 igwe anaghị agba nchara.

3) na corrosion eguzogide dị mma karịa 304 na n'ezie ojiji steeti mgbe ekwe, stamping, ike ala na ndị ọzọ oyi akpụ.

4) ike mkpụrụ bụ karịa 1.3 ugboro nke 304 igwe anaghị agba nchara, na ọ nwere elongation nke ọ bụghị ihe na-erughị 45%. Yiri nguzogide na

ike ọgwụgwụ arụmọrụ dị mma karịa 304 igwe anaghị agba nchara.

5) ezigbo ịgbado ọkụ arụmọrụ, ike mgbe ịgbado ọkụ bụ elu karịa nke 304 igwe anaghị agba nchara, na corrosion eguzogide bụ.

tụnyere ka nke 304 igwe anaghị agba nchara.

2. Ntụnyere na ihe 304:

ỌkwaIhe mejupụtara kemịkalụ (Max %)
CSiMnPSCrNiMoCuNPREN
3040.040.41.02≤0.035018.18.020.020.10.0518.96
QN18030.070.416.32≤0.035018.23.030.121.620.2422.43
1.4376≤0.10≤1.005.0-8.0≤0.045≤0.01517-20.52.0-4.5//≤0.30/

3. Ntụnyere akụrụngwa:

微信图片_20220423135855

4. Ihe ngosi nke eriri igwe na palte:

4

5. Ibufe site na gwongworo:

3

6. Na-ebu akpa akpa:

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7. Ngwa:

Ụlọ ọrụ ihe owuwu: ụlọ ụlọ, mgbidi, purlins, akụkụ nhazi nke na-ebu ibu, wdg.:

➢ Ọnụ ụzọ ngwaike na windo: dị ka drains n'ala, mgbanaka, hinges, okporo ụzọ slide, wdg;

➢Pipụ ọkpọkọ eji achọ mma: dị ka ngere, ihe mgbochi ọdụ ụgbọ mmiri, escalators steepụ, windo nchekwa, wdg;

➢Ọkpọkọ welded nke ụlọ ọrụ: dị ka ọkpọkọ gas, ọkpọkọ nsị nke ụlọ ọrụ mmepụta ihe;

➢Akụkụ tankị ụlọ ọrụ: dị ka arịa refer, ụlọ elu desulfurization gas;

➢ Akụrụngwa ọmụmụ: dị ka ebe a na-eri nri ezì, na-ama abụba okpukpu abụọ;

➢ Ụlọ ọrụ ime obodo: dị ka ụlọ ụgbọ ala, ebe a na-edebe ihe ọcha.

 

 

 

 


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