Investasi Casting Auto Part of Chrome Molybdenum 42CrMo4 Alloy Steel

Baja paduan Chrome Molybdenum 42CrMo4 khususproduk casting investasikanggo pancing kunci mobil karoperawatan permukaan elektroforesis.

42CrMo4 (1.7225) saka specification saka EN 10083-3, kang biasane panas dianggep dening QT (Queching + Tempering), digunakake digunakake kanggo gawé casting investasi. nduweni kekuatan dhuwur, kateguhan dhuwur, hardenability apik, brittleness emosi, watesan lemes dhuwur, resistance impact apik sawise quenching lan tempering, lan kateguhan impact suhu kurang apik. Kelas sing padha karo 42CrMo4 yaiku 4140 (ASTM, USA) lan 42CrMo (GB/T 3077, China)

42CrMo4 sifat baja ing suhu kamar ing kondisi quenched lan tempered.

kekuatan ngasilake:
≥900 N/mm2 (d≤16mm, t≤8mm)
≥750 N/mm2 (16 < d ≤ 40mm, 8 < t ≤ 20mm)
≥900 N/mm2 (40 < d ≤ 100mm, 20 < t ≤ 60mm)
≥900 N/mm2 (100 < d ≤ 160mm, 60 < t ≤ 100mm)
≥900 N/mm2 (160 < d ≤ 250mm, 100 < t ≤ 160mm)

Kekuatan tarik:
1100-1300 N/mm2 (d≤16mm, t≤8mm)
1000-1200 N/mm2 (16 < d ≤ 40mm, 8 < t ≤ 20mm)
900-1100 N/mm2 (40 < d ≤ 100mm, 20 < t ≤ 60mm)
850-950 N/mm2 (100 < d ≤ 160mm, 60 < t ≤ 100mm)
750-900 N/mm2 (160 < d ≤ 250mm, 100 < t ≤ 160mm)

Elongation:≥ 10% (d≤16mm, t≤8mm)

Kekuwatan impact test Charpy-V-notch longitudinal:
≥35J (16 < d ≤ 250mm, 8 < t ≤ 160mm)
≥11% (16 < d ≤ 40mm, 8 < t ≤ 20mm)
≥12% (40 < d ≤ 100mm, 20 < t ≤ 60mm)
≥13% (100 < d ≤ 160mm, 60 < t ≤ 100mm)
≥14% (160 < d ≤ 250mm, 100 < t ≤ 160mm)

42CrMo4 + QT atose ing HRC: ≥53 (sawise nyala utawa hardening induksi)
42CrMo4 atose ing HBW: ≤255 (dirawat kanggo nambah shearability); ≤241 (anil alus)

Cbaja arbon, baja paduan rendah, baja paduan dhuwur lan casting baja alat digunakake ing sawetara aplikasi industri. Kanthi macem-macem gelar, baja lan wesi bisa diolah kanthi panas kanggo nambah asil lan kekuatan tarik lan, nyetel kekerasan utawa daktilitas kanggo kabutuhan aplikasi insinyur utawa sifat mekanik sing dikarepake.

Nggunakakeproses casting investasi, Pengecoran pengecoran RMC bisa nyukupi spesifikasi bahan miturut standar ASTM, SAE, AISI, ACI, DIN, EN, ISO, lan GB. Kita duwe luwih saka 100 wesi ferrous lan non-ferrous beda karo kang kita cast bagean nggunakake kritéria desain Komplek. casting investasi dimensi lan geometrically Komplek kita diprodhuksi kanggo wangun net, minimalake kabutuhan mesin secondary.

Baja cast kromium-molybdenum digunakake akeh ing lapangan industri kanthi sifat mekanik sing relatif dhuwur. Kajaba saka molybdenum kanggo baja kromium bisa nambah kekuatan casting baja tanpa gadhah impact pinunjul ing kateguhan impact saka baja cast. Kajaba iku, baja cast kromium-molybdenum nduweni kinerja suhu dhuwur sing apik banget lan tahan creep. Sawise quenching lan tempering utawa normalizing perawatan panas, kromium-molybdenum cast steel bisa entuk mechanical banget.

Molybdenum bisa nambah hardenability saka cast baja lan ngurangi brittleness emosi saka cast baja. Baja cast kromium-molybdenum digunakake kanggo casting bagean gedhe lan casting baja sing mbutuhake hardening jero.