Ihe a na-akpọalloy ígwè ọkpọkọbụ ịgbakwunye ihe ụfọdụ alloy na ndabere nke carbon ígwè, dị ka Si, Mn, W, V, Ti, Cr, Ni, Mo, wdg, nke nwere ike imeziwanye ike, ike, hardenability, weldability, wdg. ígwè.arụmọrụ.Enwere ike kewaa ígwè ígwè dị ka ọdịnaya nke ihe ndị na-emepụta ihe, na mmepụta ihe mmepụta ihe na ndụ, a ga-eji ígwè na-emepụta ihe na-emepụta ihe na ụlọ ọrụ ndị a kapịrị ọnụ, ọ bụkwa ihe a na-ahụkarị na-ekewa dịka nzube ya si dị.
Nkewa dị ka ọdịnaya nke alloying ọcha
Alloy alloy ígwè: ngụkọta ego nke alloy bụ ihe na-erughị 5%;
Ọkara alloy ígwè: ngụkọta ego nke alloy bụ 5 ~ 10%;
Akwa alloy ígwè: ngụkọta ego nke alloy dị elu karịa 10%.
Nhazi site na ebumnuche
Alloy structural steel: obere alloy structural steel (nke a makwaara dị ka obere alloy alloy nkịtị);alloy carburizing ígwè, alloy quenched na tempered ígwè, alloy mmiri ígwè;igwe eji agba bọọlụ
Alloy ngwá ọrụ ígwè: alloy ọnwụ ngwá ọrụ ígwè (gụnyere ala alloy ọnwụ ngwá ọrụ ígwè, elu-ọsọ ígwè);alloy anwụ ígwè (gụnyere oyi anwụ anwụ ígwè, ọkụ anwụ ígwè);ígwè maka ịlele ngwaọrụ
Nchara arụ ọrụ pụrụ iche: igwe anaghị agba nchara, igwe anaghị agba nchara, igwe anaghị agba nchara, wdg.
Alloy ígwè nọmba
Low alloy elu ike structural ígwè
A na-ahazi aha akara ya n'usoro site n'akụkụ atọ: mkpụrụedemede China pinyin (Q) na-anọchi anya ebe mkpụrụ, uru oke mkpụrụ, na akara ọkwa ọkwa (A, B, C, D, E).Ọmụmaatụ, Q390A pụtara ala-alloy elu-ike structural ígwè na ike mkpụrụ σs = 390N/mm2 na àgwà ọkwa A.
Alloy structural ígwè
Aha akara ya nwere akụkụ atọ: "nọmba abụọ, akara mmewere iri + ọnụọgụ".Nkeji abụọ mbụ na-anọchi anya 10,000 ugboro nkezi nke carbon mass partition in the metal, akara mmewere na-egosi alloying ọcha dị n'ime ígwè ahụ, na ọnụ ọgụgụ dị n'azụ akara mmewere na-egosi 100 ugboro nkezi nkezi uka nke mmewere.Mgbe nkezi obere akụkụ nke ihe ndị na-emepụta ihe na-erughị 1.5%, n'ozuzu naanị ihe ndị a ka egosipụtara ma ọ bụghị ọnụ ọgụgụ ọnụọgụ;mgbe nkezi nkezi akụkụ bụ ≥1.5%, ≥2.5%, ≥3.5%, ..., 2 na 3 kwekọrọ ekwekọ n'azụ ihe alloying, 4, ...Ọmụmaatụ, 40Cr nwere nkezi ntakiri uka carbon Wc=0.4%, yana nkezi chromium uka WCr<1.5%.Ọ bụrụ na ọ bụ nchara dị elu dị elu, tinye "A" na njedebe nke ọkwa.Ọmụmaatụ, 38CrMoAlA ígwè bụ nke elu-ọkwa dị elu alloy structural steel.
Rolling bear steel
Tinye "G" (akwụkwọ ozi mbụ nke pinyin Chinese nke okwu ahụ bụ "mpịakọta") n'ihu aha aha ahụ, na ọnụ ọgụgụ dị n'azụ ya na-egosi otu puku okpukpu nke chromium ugboro puku, na obere akụkụ nke carbon adịghị akara akara. .Ọmụmaatụ, GCr15 ígwè bụ igwe na-agbagharị agbagharị nke nwere nkezi akụkụ uka nke chromium WCr=1.5%.Ọ bụrụ na chromium na-ebu nchara nwere ihe ndị na-eme ka ihe na-eme ka ọ bụrụ ihe na-abụghị chromium, usoro okwu nke ihe ndị a bụ otu ihe nke nchara nchara nchara.Steel na-agbagharị agbagharị bụ nchara niile dị elu dị elu, mana anaghị etinye "A" mgbe ọkwachara.
Alloy ngwá ọrụ ígwè
Ihe dị iche n'etiti usoro ọnụọgụ nke ụdị ígwè a na ígwè nhazi alloy bụ na mgbe Wc <1%, a na-eji otu ọnụọgụ na-egosi ugboro puku okpukpu nke carbon;mgbe oke nke carbon bụ ≥1%, ọ dịghị akara.Dị ka ihe atụ, Cr12MoV ígwè nwere nkezi carbon uka akụkụ nke Wc = 1.45% ~ 1.70%, n'ihi ya, ọ na-adịghị akara; nkezi uka akụkụ nke Cr bụ 12%, na uka akụkụ nke Mo na V bụ ma ihe na-erughị 1.5% .Ihe atụ ọzọ bụ 9SiCr ígwè, nkezi Wc = 0.9%, na nkezi WCr bụ <1.5% . Otú ọ dị, ígwè ọrụ ngwa ngwa dị elu bụ ihe dịpụrụ adịpụ, na nkezi nke carbon mass nke obere adịghị akara n'agbanyeghị ole ọ bụ. alloy ngwá ọrụ ígwè na elu-ọsọ ngwá ọrụ ígwè bụ elu-ọkwa elu-edu ígwè, ọ dịghị mkpa ka akara "A" mgbe ya ọkwa.
Igwe anaghị agba nchara na igwe na-eguzogide okpomọkụ
Ọnụ ọgụgụ dị n'ihu ụdị ọkwa ígwè a na-egosi otu puku okpukpu nke carbon mass.Dị ka ihe atụ, 3Crl3 ígwè pụtara na nkezi uka ụmụ irighiri Wc = 0.3%, na nkezi uka ụmụ irighiri WCr = 13% mgbe uka ụmụ irighiri nke carbon Wc ≤ 0.03% na Wc ≤ 0.08%, ọ na-egosi site "00" na "0" n'ihu ika, dị ka 00Cr17Ni14Mo2,0Cr19Ni9 ígwè, wdg.
Oge nzipu: Mar-13-2023