Nkọwa
Ferro chrome (FeCr) bụ alloy ígwè nke chromium na ígwè mejupụtara. Ọ bụ ihe mgbakwunye alloy dị mkpa maka imepụta ígwè. Dị ka carbon dị iche iche si dị, ferro chrome nwere ike kewaa n'ime nnukwu carbon ferrochrome, obere carbon-carbonferrochrome, Micro-carbon ferrochrome. , nke dị elu nke ike oriri, na ọnụ ahịa dị elu. Ferrochrome nwere carbon nke na-erughị 2% dabara maka ịgbaze igwe anaghị agba nchara, nchara na-eguzogide acid yana nchara chromium ndị ọzọ nwere obere carbon. Ferrochrome nwere carbon ihe karịrị 4% ka a na-ejikarị eme bọọlụ na-ebu ígwè na ígwè maka akụkụ akpaaka.
Mgbakwunye nke chromium na nchara nwere ike imeziwanye nguzogide oxidation nke ígwè ma mee ka nguzogide corrosion nke ígwè dịkwuo elu. Chromium dị n'ọtụtụ nchara nwere akụrụngwa physicochemical pụrụ iche.
Atụmatụ:
1.Ferro chrome nwere mgbanwe dị ịrịba ama nke nguzogide corrosion ígwè na inoxidizability.
2.Ferro chrome nwere ike imeziwanye ihe mgbochi na-eyi na ike okpomọkụ dị elu.
3.Ferro chrome na-enye ọtụtụ ojiji na ngwa ụlọ ọrụ na-emepụta ihe na nchara.
Nkọwapụta
Ụdị |
Ngwakọta kemịkalụ(%) |
Cr |
C |
Si |
P |
S |
Carbon dị ala |
FeCr-3 |
58-68 |
0.25-0.5 |
1.5-3.0 |
0.03-0.06 |
0.025-0.03 |
FeCr-4 |
63-68 |
0.25-0.5 |
1.5-3.0 |
0.03-0.06 |
0.025-0.03 |
Ọkara carbon |
FeCr-5 |
58-68 |
1.0-4.0 |
1.5-3.0 |
0.03-0.06 |
0.025-0.03 |
FeCr-6 |
63-68 |
1.0-4.0 |
1.5-3.0 |
0.03-0.06 |
0.025-0.03 |
Carbon dị elu |
FeCr-7 |
58-68 |
4.0-10.0 |
3.0-5.0 |
0.03-0.06 |
0.03-0.06 |
FeCr-8 |
63-68 |
4.0-10.0 |
3.0-5.0 |
0.03-0.06 |
0.03-0.06 |
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