440 / 440C igwe anaghị agba nchara bọọlụ
|
Oke |
Nkọwa ngwaahịa |
|
Product aha: |
440 igwe anaghị agba nchara / 440 |
|
Ihe: |
440 / 440C |
|
Nha: |
0.3mm-80mm |
|
Ekweghị ekwe: |
HRC58-62 |
|
Standardkpụrụ Production: |
ISO3290 2001 GB / T308.1-2013 DIN5401-2002 |
|
Chemical mejupụtara nke 440C bọọlụ anaghị agba nchara |
|
|
C |
0.95-1. 20% |
|
Kr |
16.0-18.0% |
|
Na |
1.00% Max |
|
Mn |
1.0% Max. |
|
P |
0,040% Max |
|
S |
0,030% Max |
|
Mo |
0.40-0.80% |
|
Ni |
0,60% Max |
440—Ngwá ọrụ ike ịkụcha ihe dị elu na obere ọdịnaya carbon. Mgbe ọgwụgwọ okpomọkụ kwesịrị ekwesị, enwere ike inweta ike dị elu dị elu. Ike ike nwere ike iru 58HRC, nke dị n'etiti igwe anaghị agba agba. Ihe atụ kachasị ngwa ngwa bụ "agụba". Enwere ụdị atọ a na - ejikarị: 440A, 440B, 440C, na 440F (dị mfeụdị nhazi).
Ofkpụrụ nke igwe anaghị agba nchara:
Ngwongwo nchara igwe anaghị agba nchara, mana ọ dịghị mfe nchara. Principlekpụrụ bụ na site na mgbakwunye nke chromium, a na-emepụta akwa oyi akwa chromium oxide n'elu nchara ahụ, nke nwere ike igbochi nlọghachi kọntaktị n'etiti nchara na ikuku, nke mere na ikuku ikuku dị na ikuku enweghị ike ịbanye nchara bọl, si otú ahụ na-egbochi Mmetụta nke bọọlụ nchara rusting.
Nationalkpụrụ China National (CNS), Japanese Industrial Standards (jis) na American Iron and Steel Institute (AISI) na-eji akara atọ iji gosipụta igwe anaghị agba nchara, nke a na-ekwukarị na ụlọ ọrụ, nke usoro 200 bụ chromium-nickel-manganese -based austenitic igwe anaghị agba nchara, 300 usoro bụ chromium-nickel austenitic igwe anaghị agba nchara, 400 usoro chromium igwe anaghị agba nchara (akpọkarị igwe anaghị agba), gụnyere martensite na ferrite.
