ASTM A1045 Structural Steel Pipebụ n'ozuzu na ọdabara na ihe onwunwe nke enweghị nkebi ígwè ọkpọkọ.A na-ekewa ọkpọkọ igwe anaghị agba nchara n'ime GB8162 na GB8163, nke bụ ụkpụrụ abụọ a na-ejikarị na China.Agbanyeghị, ASTM A1045Structural Steel Pipenwere naanị GB8162, nke bụ ihe a na-ejikarị eme ihe maka igwe.
ASTM A1045 ígwè ọkpọkọ bụ ọkpọkọ ígwè na-ekpo ọkụ na-ekpo ọkụ nke a na-ejikarị eme ihe, nke nwere ezigbo ihe eji arụ ọrụ, ike siri ike ma dị mfe ịgbawa n'oge mmiri na-agwụ.Ekwesịrị imenyụ obere akụkụ na iwe ọkụ, yana nnukwu akụkụ kwesịrị ịhazi ya nke ọma, nke a na-ejikarị emepụta akụkụ dị elu nke na-akpụ akpụ, dị ka igwe ọkụ turbine na piston compressor.Shaft, gia, rack, worm, wdg.
ASTM 1045 carbon ígwè ọkpọkọnwere ihe dị ka 0,45% carbon, obere manganese, silicon, wdg, yana sọlfọ dị ala na ọdịnaya phosphorus nke ọkpọkọ nchara arụ ọrụ dị elu.
Okpomọkụ ọgwụgwọ okpomọkụ: normalizing 850, quenching 840, tempering 600. ASTM1045 ígwè bụ a elu-edu carbon structural ígwè na ala siri ike na dị mfe bee.A na-ejikarị ụdị ahụ eme ihe dị ka ndebiri, ntụtụ, ogidi nduzi, wdg, ma a ghaghị ịgwọ ya okpomọkụ.1. ASTM1045 ígwè ruru eru ma ọ bụrụ na ike ya karịrị HRC55 (ruo HRC62) mgbe quenching na tupu tempering.Isi ike kachasị na ngwa bara uru bụ HRC55 (nkwụsị oge dị elu HRC58).2. A gaghị eji usoro ọgwụgwọ okpomọkụ nke carburizing na quenching mee ihe maka ASTM1045 ígwè.Akụkụ ndị na-emenyụ ọkụ na ndị na-ekpo ọkụ nwere ezigbo ihe eji arụ ọrụ zuru oke ma na-ejikarị eme ihe n'ọtụtụ akụkụ dị mkpa dị mkpa, karịsịa ndị na-ejikọta mkpanaka, bolts, gears na shafts na-arụ ọrụ n'okpuru ibu ndị ọzọ.Otú ọ dị, isi ike dị n'elu dị ala ma ọ dịghị eguzogide iyi.Enwere ike imeziwanye ike nke akụkụ ahụ site n'imenyụ na iwe ọkụ+ n'elu quenching.A na-ejikarị ọgwụgwọ carburizing eme ihe maka akụkụ ibu dị arọ nke nwere nguzogide abrasion elu yana nguzogide mmetụta isi, yana nguzogide abrasion ya dị elu karịa nke nkwụsị na iwe ọkụ + elu.Ọdịnaya carbon nke elu ya bụ 0.8-1.2%, na isi ya bụ 0.1-0.25% (0.35% n'ọnọdụ pụrụ iche).Mgbe ọgwụgwọ okpomọkụ gasịrị, elu nwere ike nweta ike siri ike (HRC58-62), na isi nwere obere ike na mmetụta nkwụsị.Ọ bụrụ na eji ASTM1045 ígwè maka carburizing, hard na kenkuwa martensite ga-apụta na isi mgbe quenching, na-efunahụ uru nke carburizing ọgwụgwọ.Ka ọ dị ugbu a, ọdịnaya carbon nke ihe na-ewere usoro carburizing adịghị elu, yana ike isi nwere ike iru 0.30% dị elu, nke dị ụkọ na ngwa.0.35% ahụbeghị ihe atụ ọ bụla, ma webata ha naanị n'akwụkwọ ọgụgụ.Enwere ike iji usoro quenching na tempering + elu-frequency surface quenching mee ihe, na mgbochi iyi dị ntakịrị njọ karịa nke carburizing.The akwadoro okpomọkụ ọgwụgwọ usoro maka 45 ígwè kpọmkwem na GB / T699-1999 ọkọlọtọ bụ 850 ℃ normalizing, 840 ℃ quenching na 600 ℃ tempering.Njirimara enwetara bụ na ike mkpụrụ bụ ≥ 355MPa.The tensile ike nke 45 ígwè kpọmkwem na GB / T699-1999 ọkọlọtọ bụ 600MPa, mkpụrụ ike bụ 355MPa, na elongation bụ 16%, Mbelata nke ebe bụ 40%, na mmetụta ike bụ 39J.
Oge nzipu: Sep-24-2022