20 steel - Njirimara Njirimara - Ihe mejupụtara Chemical

Ọdịgụ:Oka
Standard:GB / T 699-1999

ndi mmadu
Ike dị elu karịa na steepụ iri na ise, ọ dịghị agbanyụ ọkụ, na-ewe iwe ọkụ na-agbado oke ọkụ, na-agbado ọkụ na-agbado ọkụ na-agbado ma ọ bụ akụkụ nke akụkụ dị mgbagwoju anya na-enwe ike ịgbaji na-egbutu ọnụnọ na-egbu oge na-adọkpụ ma ọ bụ idozi ọnọdụ nnabata dị mma na-adịghị mma na oke ike
Igwe mkpuchi nwere nnukwu carbon dị ala, na-agbada na-agbaze carbon carbon dị ala, nchara nke nwere ike, ike dị mma, ike tensilition nke 355-500MPA, ịdị elu nke 24%
Nchịkọta nwere ike ịkwalite spahed nke ígwè, nụchaa nnukwu ngọngọ prooutectoid, ma melite arụmọrụ nke oghere na-erughị 160hbs
Ụzọ teknụzụ nkestiilAkụkụ dị egwu bụ: Nkedo ahụ na-agbaghara anwụ na-egbu egbu na-eme ka ị na-ewepụta mkpụrụ a na-eme mkpọtụ na-eme ka ị na-eme mkpọtụ na-eme mkpọtụ

https://www.shdhoforging.com/news/20-steEx-CHETER-CHETERTER-CHEMIIAL-CHEMPALIIAL

Ihe mejupụtara kemịkal
C: 0.1% ~ 0.24%
Si: 0.17% ~ 0.37%
MN: 0.35% ~ 0.65%
S: 0.035%
P: 0.035%
Cr: 0.25%
Ni: 0.25%
CU: 0.25
Ngwongwo nke mebere
Tensile ike B (MPA): ≥410 (42)
Mkpụrụ Mkpụrụ S (MPA): ≥245 (25)
Elongation 5 (%): ≥25
Mbelata nke mpaghara (%): 55 ma ọ bụ karịa
Nnọọ: Ọ bụghị ọkụ na-agwọ, ≤156hb
Ogo nha: nha nha: 25mm

Ihe omuma ndi ozo

Nkọwapụta ọkụ ọkụ: Nchịkwa, 910 ℃, ikuku na-ajụ oyi.

Ọmụmụ Methilic: Ferrite + Pearllite kwuru.
Ọgwụ Ọgwụnke ígwè 20 na idozi ya nke ọma. 20:
Ngwọta nke ọgwụgwọ 20 nke ígwè: maka 20 nchara, ọ ga-ekwe omume iji nweta ihe siri ike nke ihe siri ike nke 30-35hrc.Becase na-ekpo ọkụ dị elu, nrụrụ a na-eme bụ ibu.
1. Mgbe ị na-eme ihe siri ike, agwọ ahụ na-eme ka ọ bụrụ ihe niile dị ka ọkụ (920 ℃ nke na-ahụ maka ihe isi 30-35hr, usoro niile kwesịrị inwe ike ịhazi, ọ nweghị naanị n'ime na n'èzí ụgbọ ala, na-arụzigharị.
2. Otu egwuregwu siri ike, nke dị n'ime oghere ma ọ bụ naanị tebụl na-eme ka isi okwu) (na-adakwasị nha nke workpiece).
3. Carbubutizing na igbo, na-egwe olulu n'ime igodo.
Usoro a na-asọ bụ nke abụọ, nke atọ na nke kachasị.
Mepụta steeti: Nnyefe na ọnọdụ ọgwụgwọ ọkụ ma ọ bụ ọgwụgwọ ọkụ (na-egbu egbu, na-emetụ ya ma ọ bụ oke okpomọkụ). Ọ bụrụ na egosighi ya, a ga-eme nnyefe ahụ n'enweghịỌgwụ Ọgwụ.


Post Oge: Ọkt-15-2020

  • Nke gara aga:
  • Osote: