Alloy steels anosarudzwa neAISI manhamba-manhamba uye anosanganisira marudzi akasiyana esimbi, imwe neimwe iine muumbirwo unopfuura miganhu yeB, C, Mn, Mo, Ni, Si, Cr, uye Va set for carbon steels.
AISI 4140 alloy simbi ichromium-, molybdenum-, uye manganese-ine yakaderera alloy simbi. Iyo ine yakanyanya kuneta simba, abrasion uye kukanganisa kuramba, kuoma, uye torsional simba. Iyo inotevera dhatabheti inopa tarisiro yeAISI 4140 alloy simbi.
Nyika | China | Japani | Jerimani | USA | British |
Standard | GB/T 3077 | JIS G4105 | DIN (W-Nr.) EN 10250 |
AISI/ASTM ASTM A29 |
BS 970 |
Giredhi | 42CrMo | SCM440 | 42crmo4/1.7225 | 4140 | EN19/709M40 |
Giredhi | C | Si | Mn | P | S | Cr | Mo | Ni |
42CrMo | 0.38-0.45 | 0.17-0.37 | 0.5-0.80 | ≤0.035 | ≤0.035 | 0.9-1.2 | 0.15-0.25 | - |
SCM440 | 0.38-0.43 | 0.15-0.35 | 0.6-0.85 | ≤0.035 | ≤0.04 | 0.9-1.2 | 0.15-0.30 | - |
42crmo4/1.7225 | 0.38-0.45 | ≤ 0.4 | 0.6-0.9 | ≤0.025 | ≤0.035 | 0.9-1.2 | 0.15-0.30 | - |
4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.04 | 0.8-1.1 | 0.15-0.25 | - |
EN19/709M40 | 0.35-0.45 | 0.15-0.35 | 0.5-0.80 | ≤0.035 | ≤0.035 | 0.9-1.5 | 0.2-0.40 | - |
Giredhi | Kusimba simba σb(MPa) |
Goho simba σ (MPa) |
Elongation δ5 (%) |
Kuderedza ψ (%) |
Impact Value Akv (J) |
Kuoma |
4140 | ≥1080 | ≥930 | ≥12 | ≥45 | ≥63 | 28-32HRC |
Size | Round | Dia 6-1200mm |
Plate/Freti/Block | Ukobvu 6mm-500mm |
|
Upamhi 20mm-1000mm |
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Kurapa kwekupisa | Normalized ; Annealed ; Quenched ; Tempered | |
Surface condition | Nhema; Peeled; Polished; Machined; Grinded; Turned; Milled | |
Delivery condition | Forged; Hot rolled; Cold drawn | |
Test | Kusimba kwesimba, Goho resimba, kurebesa, nzvimbo yekudzikisa, kukosha kwekuita, kuoma, saizi yezviyo, ultrasonic bvunzo, US ongororo, magineti particle kuyedzwa, nezvimwe. | |
Mitemo yekubhadhara | T/T;L/C;/giremu remari/ Paypal | |
Trade terms | FOB; CIF; C&F; nezvimwewo.. | |
Delivery nguva | 30-45 mazuva | |
Application | AISI 4140 simbi inowana zvikumbiro zvakawanda senge forgings yeaerospace, mafuta uye gasi, mota, maindasitiri ezvekurima nekudzivirira nezvimwe. Yakajairika mashandisirwo e4140 simbi anoshandiswa anosanganisira: magiya akafogirwa, zvirukwa, zvigadziriso, jigs, makora, maekisi, mativi ekutakura, gunguwo mbariro, matanda ematanda, shafts, sprockets, studs, pinions, pombi shafts, makondohwe, uye mhete giya etc. |
Izvo zvemuviri zvimiro zveAISI 4140 alloy simbi zvinoratidzwa mune inotevera tafura.
Properties | Metric | Imperial |
---|---|---|
Density | 7.85 g/cm3 | 0.284 lb/in³ |
Melting point | 1416°C | 2580°F |
Tafura inotevera inotsanangura ma mechanic properties yeAISI 4140 alloy steel.
Properties | Metric | Imperial |
---|---|---|
Kusimba simba | 655 MPa | 95000 psi |
Goho simba | 415 MPa | 60200 psi |
Bulk modulus (yakajairika yesimbi) | 140 GPA | 20300 ksi |
Shear modulus (yakajairika yesimbi) | 80 GPA | 11600 ksi |
Elastic modulus | 190-210 GPA | 27557-30458 ksi |
Chiyero chePoisson | 0.27-0.30 | 0.27-0.30 |
Elongation panguva yekuzorora (mu50 mm) | 25.70% | 25.70% |
Kuoma, Brinell | 197 | 197 |
Kuoma, Knoop (yakashandurwa kubva kuBrinell kuoma) | 219 | 219 |
Kuoma, Rockwell B (yakashandurwa kubva kuBrinell kuoma) | 92 | 92 |
Kuomarara, Rockwell C (yakashandurwa kubva kuBrinell kuomarara. Kukosha kuri pasi peyakajairwa HRC renji, nezvinangwa zvekuenzanisa chete) | 13 | 13 |
Kuoma, Vickers (yakashandurwa kubva kuBrinell kuoma) | 207 | 207 |
Machinability (yakavakirwa paAISI 1212 se 100 machinability) | 65 | 65 |
Izvo zvinopisa zvivakwa zveAISI 4140 alloy simbi zvinopihwa mune inotevera tafura.
Properties | Metric | Imperial |
---|---|---|
Thermal kuwedzera coefficient (@ 0-100°C/32-212°F) | 12.2 µm/m°C | 6.78 µin/mu°F |
Thermal conductivity (@ 100°C) | 42.6 W/mK | 296 BTU mukati/hr.ft².°F |
Mamwe mazita akaenzana neAISI 4140 alloy simbi akanyorwa patafura inotevera.
AMS 6349 | ASTM A193 (B7, B7M) | ASTM A506 (4140) | ASTM A752 (4140) |
AMS 6381 | ASTM A194 (7, 7M) | ASTM A513 | ASTM A829 |
AMS 6382 | ASTM A29 (4140) | ASTM A513 (4140) | SAE J1397 (4140) |
AMS 6390 | ASTM A320 (L7, L7M, L7D) | ASTM A519 (4140) | SAE J404 (4140) |
AMS 6395 | ASTM A322 (4140) | ASTM A646 (4140) | SAE J412 (4140) |
AMS 6529 | ASTM A331 (4140) | ASTM A711 |
AISI 4140 alloy simbi ine yakanaka machinability mune annealed mamiriro.
KuumbaAISI 4140 alloy simbi ine yakakwira ductility. Inogona kuumbwa uchishandisa yakajairika matekiniki mune annealed mamiriro. Inoda kuwedzera kudzvanywa kana simba rekugadzira nekuti yakasimba kupfuura plain carbon steels.
WeldingAISI 4140 alloy simbi inogona kuvezwa uchishandisa ese akajairwa matekiniki. Zvisinei, michina yesimbi iyi ichakanganiswa kana yakasungirirwa mumamiriro ekupisa, uye post-weld heat treatment inofanira kuitwa.
AISI 4140 alloy simbi inopisa pa845 ° C (1550 ° F) ichiteverwa nekudzima mumafuta. Isati yaoma, inogona kugadziriswa nekuipisa pa913 ° C (1675 ° F) kwenguva yakareba, ichiteverwa nekutonhodza kwemhepo.
ForgingAISI 4140 alloy simbi inogadzirwa pa926 kusvika 1205 ° C (1700 kusvika 2200 ° F)
AISI 4140 alloy simbi inogona kupisa yakashanda pa816 kusvika 1038°C (1500 kusvika 1900°F)
AISI 4140 alloy simbi inogona kutonhora kushanda uchishandisa yakajairwa nzira mune annealed mamiriro.
AISI 4140 alloy simbi inonamirwa pa872°C (1600°F) ichiteverwa nekutonhodza zvishoma nezvishoma muchoto.
AISI 4140 alloy simbi inogona kudzikamiswa pa205 kusvika 649°C (400 kusvika 1200°F) zvichienderana nedanho rekuoma kwaunoda. Kuoma kwesimbi kunogona kuwedzerwa kana iine tembiricha yakaderera. Semuenzaniso, simba rekusimba re225 ksi rinogona kuwanikwa nekupisa pa 316 ° C (600 ° F), uye kusimba kwe130 ksi kunogona kuwanikwa nekupisa pa538 ° C (1000 ° F).
AISI 4140 alloy simbi inogona kuomeswa nekushanda kunotonhora, kana kupisa nekudzima.