35CrMo alloy steel pipe emeputa ntụpọ akwụkwọ ikike ire ahịa
35CrMo bụ ọnụ ọgụgụ nkọwapụta nke alloy structural steel (alloy quenched and tempered steel), nke a na-ejikarị eme ihe dị mkpa na igwe dị iche iche na-enwe mmetụta, na-ehulata na torsion na nnukwu ibu. Koodu dijitalụ jikọtara ọnụ nke 35CrMo alloy structural steel (alloy quenched and tempered steel) bụ a30352, na ọkọlọtọ onye isi bụ GB / t3077-2015
35 crmo
35CrMo (Ibé akwụkwọ 2)
Ịtali: 35 crmo4
NBN: 34crmo4
Sweden: 2234
Ọkọlọtọ kwa ụbọchị: scm432 / sccrm3
A na-eji ya na-emepụta akụkụ dị mkpa na igwe dị iche iche na-enwe mmetụta, na-ehulata na torsion na nnukwu ibu, dị ka herringbone gear, crankshaft, hama mkpanaka, njikọ njikọ na fasteners nke ígwè Rolling igwe nri, isi aro na axle nke uzuoku turbine engine, engine nnyefe. akụkụ, nnukwu moto aro, perforator na mmanụ ala igwe, ji esi mmiri ọkụ bolts na-arụ ọrụ okpomọkụ ala karịa 400 ℃, akụ na-arụ ọrụ okpomọkụ ala karịa 510 ℃, High mgbali enweghị nkebi oké mgbidi conduit (okpomọkụ 450 ~ 500 ℃, dịghị corrosive ọkara) na chemical igwe ; Ọ nwekwara ike dochie 40crni maka n'ichepụta elu ibu nnyefe aro, uzuoku turbine engine rotor, nnukwu ngalaba gia, nkwado aro (dayameta na-erughị 500mm), wdg; Usoro akụrụngwa akụrụngwa, ọkpọkọ, ịgbado ọkụ ihe, wdg.
Ejiri ya dị ka akụkụ nhazi dị mkpa na-arụ ọrụ n'okpuru nnukwu ibu, dị ka akụkụ nnyefe nke ụgbọ ala na engines; Rotor, isi aro, ogwe nnyefe ibu dị arọ na akụkụ akụkụ buru ibu nke igwe na-emepụta turbine uzuoku.
Carbon C: 0.32 ~ 0.40
Silicon Si: 0.17 ~ 0.37
Ọnụ: 0.40 ~ 0.70
Sulfur s: ọdịnaya fọdụrụ ekwe ekwe ≤ 0.035
Phosphorus P: ọdịnaya fọdụrụ ekwe omume ≤ 0.035
Kr: 0.80 ~ 1.10
Nickel: ọdịnaya fọdụrụ ekwe ≤ 0.30
Ọla kọpa Cu: ọdịnaya fọdụrụ ekwe ≤ 0.30
Mo: 0.15 ~ 0.25
Ike tensile σ b (MPa): ≥985(100)
Ike mpụta σ s (MPa): ≥835(85)
Mgbatị δ 5 (%): ≥12
Mbelata mpaghara ψ (%): ≥45
Mmetụta ike Akv (J): ≥ 63
uru ike ike mmetụta α kv (J/cm²): ≥78(8)
Ike: ≤ 229hb
Nlere nha: nha oghere oghere bụ 25mm
Nkọwapụta ọgwụgwọ okpomọkụ na nhazi metallographic
Nkọwapụta ọgwụgwọ okpomọkụ: quenching 850 ℃, mmanụ jụrụ oyi; Tempering 550 ℃, mmiri jụrụ oyi, mmanụ jụrụ oyi.
ọkwa igwe: 35CrMo
Nlere anya nha oghere / mm: 25
ọgwụgwọ okpomọkụ | quenching | okpomọkụ okpomọkụ / ℃ | Nkwụsị mbụ: 850
ọgwụgwọ okpomọkụ | quenching | okpomọkụ okpomọkụ / ℃ | nkeji nke abụọ: --
ọgwụgwọ okpomọkụ | quenching | coolant: mmanụ
ọgwụgwọ okpomọkụ | iwe ọkụ | okpomọkụ okpomọkụ / ℃: 550
ọgwụgwọ okpomọkụ | iwe ọkụ | coolant: mmiri, mmanụ
Mechanical Njirimara | ike ike σ b/MPa|≥: 980
Mechanical Njirimara | ebe mkpụrụ σ s/MPa|≥: 835
Mechanical Njirimara | elongation δ 5(%)|≥: 12
Mechanical Njirimara | mbelata elu ψ(%)| ≥: 45
Mechanical Njirimara | mmetụta absorption ike Akv / J | ≥: 63
Ọnọdụ nnyefe ike HBS | ≥: 229
Ọnọdụ nnyefe: nnyefe na ọgwụgwọ okpomọkụ (normalizing, annealing ma ọ bụ okpomọkụ dị elu) ma ọ bụ ọnọdụ ọgwụgwọ okpomọkụ, na ọkwa nnyefe ga-egosipụta na nkwekọrịta.
