35CrMo paipu kila paipu mea hana wahi palapala hoʻokō kuai
ʻO 35CrMo ka helu kikoʻī o ke kila structural alloy (alloy quenched and tempered steel), ka mea i hoʻohana nui ʻia e hana i nā ʻāpana koʻikoʻi i nā mīkini like ʻole me ka hopena, ke kulou a me ka torsion a me ka ukana kiʻekiʻe. ʻO ka code digital unified o 35CrMo alloy structural steel (alloy quenched and tempered steel) he a30352, a ʻo ke kūlana hoʻokō ʻo GB / t3077-2015
35crmo
35CrMo (2 ʻāpana)
Italia: 35crmo4
NBN: 34crmo4
Kuekene: 2234
Maʻamau o kēlā me kēia lā: scm432 / sccrm3
Hoʻohana ʻia ia e hana i nā ʻāpana koʻikoʻi i nā mīkini like ʻole e pili ana i ka hopena, ke kulou a me ka torsion a me ka ukana kiʻekiʻe, e like me ka herringbone gear, crankshaft, hammer rod, connecting rod a me nā mea hoʻopaʻa o ka wili wili kila, kumu kumu a me ke axle o ka mīkini turbine mahu nā ʻāpana, ka pahu kaʻa nui, ka perforator i ka mīkini ʻaila, nā boiler bolt me ka mahana hana haʻahaʻa ma mua o 400 ℃, nā nati me ka mahana hana ma lalo o 510 ℃, High pressure seamless seamless wall conduit (ka wela 450 ~ 500 ℃, ʻaʻohe corrosive medium) i nā mīkini kemika ; Hiki iā ia ke hoʻololi i ka 40crni no ka hana ʻana i ke kumu hoʻoili haʻahaʻa kiʻekiʻe, ka pahu turbine engine rotor, nā ʻāpana ʻāpana nui, ke kumu kākoʻo (ke anawaena ma lalo o 500mm), etc.; Kaʻina hana lako, paipu, mea wiliwili, etc.
Hoʻohana ʻia e like me nā ʻāpana hana koʻikoʻi e hana ana ma lalo o ka ukana kiʻekiʻe, e like me nā ʻāpana hoʻoili o nā kaʻa a me nā ʻenekini; Rotor, kumu nui, kumu lawe ukana kaumaha a me nā ʻāpana nui o ka mīkini hoʻoheheʻe mahu.
Kalapona C: 0.32 ~ 0.40
Silicon Si: 0.17 ~ 0.37
Mn: 0.40 ~ 0.70
Sulfur s: ʻae ʻia ke koena maʻiʻo ≤ 0.035
Phosphorus P: maʻiʻo koena ʻae ʻia ≤ 0.035
Cr: 0.80 ~ 1.10
Nikela: ʻae ʻia ma ke koena maʻiʻo ≤ 0.30
Copper Cu: ʻae ʻia ke koena maʻiʻo ≤ 0.30
Mo: 0.15 ~ 0.25
Ka ikaika wili σ b (MPa): ≥985(100)
Ka ikaika hua σ s (MPa): ≥835(85)
Elongation δ 5 (%): ≥12
Hoemi o ka āpana ψ (%): ≥45
Hiki ke hoʻoikaika kino Akv (J): ≥ 63
Waiwai paʻakikī α kv (J/cm²): ≥78(8)
Paʻakiki: ≤ 229hb
Ka nui o ka laʻana: ʻo 25mm ka laʻana blank
ʻO nā kikoʻī hoʻomaʻamaʻa wela a me ke ʻano metallographic
Heat lapaʻau kikoʻī: quenching 850 ℃, aila hooluolu; Hoʻomaʻamaʻa 550 ℃, hoʻoluʻu wai, hoʻoluʻu aila.
Papa kila: 35CrMo
Ka nui hakahaka / mm: 25
Hana wela | hoopau | wela wela / ℃ | ka hoopau mua ana: 850
Hana wela | hoopau | wela wela / ℃ | ka lua o ke kinai ana: --
Hana wela | hoopau | mea hooluolu: Aila
Hana wela | hoohuoi | wela wela / ℃: 550
Hana wela | hoohuoi | mea hooluolu: wai, aila
Nā waiwai mīkini | ikaika uʻi σ b/MPa|≥: 980
Nā waiwai mīkini | kiko hua σ s/MPa|≥: 835
Nā waiwai mīkini | ka lōʻihi δ 5(%)|≥: 12
Nā waiwai mīkini | ka emi ʻana o ka ʻili ψ(%)| ≥: 45
Nā waiwai mīkini | ikehu hoʻopalekana hopena Akv / J | ≥: 63
Hoʻouna mokuʻāina paʻakikī HBS | ≥: 229
ʻO ke kūlana o ka lawe ʻana: ka lawe ʻana i ka mālama wela (normalizing, annealing a i ʻole ka wela wela kiʻekiʻe) a i ʻole ke kūlana mālama wela, a e hōʻike ʻia ke kūlana hoʻopuka ma ka ʻaelike.
