Shandong Weichuan Metal Prodducts Co., Ltd.

Ukuthengiswa kwewaranti yendawo ye-42CrMo abavelisi bemibhobho yentsimbi yealloy

Inkcazelo emfutshane:

Injongo ye-42CrMo ipayipi yensimbi engenamthungo: intsimbi ekhethekileyo yebhuloho yi "42CrMo", intsimbi ekhethekileyo ye-automobile girder yi "42CrMo", kunye nentsimbi ekhethekileyo yomkhumbi woxinzelelo "42CrMo". 


Iinkcukacha zeMveliso

Iithegi zeMveliso

Inkcazo

Injongo ye-42CrMo ipayipi yensimbi engenamthungo: intsimbi ekhethekileyo yebhulorho yi "42CrMo", intsimbi ekhethekileyo ye-automobile girder yi "42CrMo", kunye nentsimbi ekhethekileyo yesitya soxinzelelo "42CrMo". Olu hlobo lwensimbi luphucula iimpawu zemishini yensimbi ngokulungelelanisa umxholo wekhabhoni (c). Ngoko ke, ngokomxholo wekhabhoni, olu hlobo lwensimbi lunokwahlulwa lube: intsimbi ephantsi yekhabhoni - umxholo wekhabhoni ngokuqhelekileyo ungaphantsi kwe-0.25%, njenge-10 kunye ne-20 yensimbi; Insimbi ye-carbon ephakathi - umxholo wekhabhoni uphakathi kwe-0.25 ~ 0.60%, njenge-35 kunye ne-45 yensimbi; I-carbon steel ephezulu - umxholo wekhabhoni ngokubanzi mkhulu kune-0.60%. Olu hlobo lwentsimbi alusetyenziswa ngokubanzi ekwenzeni imibhobho yentsimbi.

I-42CrMo luhlobo lwentsimbi. Intsimbi yayikade ibizwa ngokuba yintsimbi. Indlela ibizwa ngokuba yi-Q345B. Izinto ezifanayo ziyi-Q345A, i-Q345C kunye ne-Q345E. Isimboli yebakala lomgangatho a, B, C, de ngokulandelelanayo ibonisa ukuba uvavanyo lwempembelelo aluyomfuneko. Ubushushu bovavanyo lwempembelelo + 20 ° 0 ° ukuya ku-20 ° 40 ° ABCD ibonisa umgangatho webakala Q235. Ibakala lomgangatho lahlulwe ngokwamabakala amane A, B, C kunye no-D. ukusuka ku-A ukuya ku-D kubonisa ukuba umgangatho usuka kweliphantsi ukuya phezulu.

Spot warranty sales of 42CrMo alloy steel pipe manufacturers

Iimfuno zamanqanaba ahlukeneyo omgangatho zezi zilandelayo

A - ukubonelela s, P, C, Mn, Si chemical composition and Fu, FY δ 5 ( δ 10) , 1800 uvavanyo lokugoba olubandayo lunokubonelelwa ngokweemfuno zomthengi, kodwa akukho mpembelelo yokulawula amandla, kunye nomxholo wekhabhoni. kunye nomxholo wemanganese awuthathwa njengemiqathango yokuhanjiswa.

B - ukubonelela s, P, C, Mn, Si chemical composition and Fu, FY δ 5 (δ 10) , i-gold bend 180 'test. Impembelelo yamandla i-AK ≥ 27j kwi + 200C nayo inikezelwe

C - ngaphezu kweemfuno zeklasi B, amandla empembelelo AK ≥ 27j kwi-00C nayo inikezelwa.

D - ngaphezu kweemfuno zenqanaba B, amandla empembelelo AK ≥ 27j kwi-200C nayo inikezelwa. E -- ngaphezu kweemfuno zenqanaba B, amandla empembelelo AK ≥ 27j kwi-400C nayo inikwe. Inkcazo yokusebenza eshushu

Iqondo lokushisa lokufudumeza liyi-1150 ~ 1200 ° C, iqondo lokushisa lokuqala yi-1130 ~ 1180 ° C, kwaye iqondo lokushisa lokuphela ngu> 850 ° C, φ> Ukupholisa okucothayo kwi-50mm.

Ukucaciswa kwesiqhelo

Ubushushu obuqhelekileyo bungama-850 ~ 900 ° C, kwaye isithando somlilo siyakhutshelwa ukupholisa umoya.

Inkcazo yobushushu obuphezulu bobushushu

Ubushushu bobushushu bungama-680 ~ 700 ° C, kwaye iziko liyakhutshelwa ukupholisa umoya.

Ukunciphisa kunye nokunciphisa ubushushu

Preheating lobushushu 680 ~ 700 ° C, ukucima ubushushu 840 ~ 880 ° C, ukupholisa ioli, iqondo lobushushu 580 ° C, ukupholisa amanzi okanye ukupholisa ioli, ubulukhuni ≤ 217hbw.

Inkcazo yokomelezwa kunye nokuqina kwonyango ngokucinywa kobushushu obungaphantsi

Ukucima iqondo lobushushu 900 ° C, iqondo lobushushu 560 ° C, ukuqina (37 ± 1) HRC

Inkcazo yokucinywa kwe-induction kunye nokuthoba

Ukucima ubushushu 900 ° C, iqondo lokushisa 150 ~ 180 ° C, ubulukhuni 54 ~ 60HRC.


  • Ngaphambili:
  • Okulandelayo:

  • Iimveliso ezinxulumeneyo