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40Cr hot rolled baja babak bar
40Cr hot rolled baja babak bar
40Cr hot rolled baja babak bar
40Cr hot rolled baja babak bar

40Cr hot rolled baja babak bar

Baja paduan GB 40CR minangka baja Struktural Alloy Tempered lan Tempered sing berkualitas tinggi, kalebu baja karbon rendah kualitas, kromium paduan rendah, molibdenum, baja hardening kasus nikel. Kekerasan Oil Quenched & Tempered yaiku 28-34 HRc. GB 40CR baja Annealing pangiriman hardenss kurang saka 250HB.40CR Kanthi sawetara isi karbon ngisor, Dadi baja paduan GB 40CR duwe weldability apik.
40Cr hot rolled steel round bar informasi
40Cr baja struktural alloy nduweni kekuatan tensile luwih, kekuatan ngasilaken lan hardenability saka baja No.. 40, nanging weldability winates lan ana cenderung kanggo mbentuk retak. 40Cr minangka baja modulasi karbon medium, baja die heading dingin. Baja kasebut regane moderat lan gampang diproses. Sawise perawatan panas sing tepat, kateguhan tartamtu, plastisitas lan resistensi nyandhang bisa diduweni. Normalizing bisa ningkataké spheroidization saka struktur lan nambah kinerja nglereni saka kothong karo atose kurang saka 160HBS. Tempering ing suhu 550 ~ 570 ℃, baja nduweni sifat mekanik lengkap sing paling apik. Hardenability baja iki luwih dhuwur tinimbang 45 baja, lan cocok kanggo perawatan hardening lumahing kayata quenching frekuensi dhuwur lan geni quenching. Sawise quenching lan tempering, baja 40Cr digunakake kanggo Pabrik bagean mechanical ing medium mbukak lan kacepetan medium, kayata mobil setir knuckles, mburi setengah shafts lan Gir, shafts, Cacing, spline shafts, lengen ndhuwur ing piranti mesin, etc.; sawise quenching lan Sawise tempering ing suhu medium, digunakake kanggo Pabrik bagean sing metokake dhuwur mbukak, impact lan karya kacepetan medium, kayata Gir, spindles, rotors pump lenga, slider, collars, etc.; sawise quenching lan tempering suhu kurang, digunakake kanggo Pabrik bagean sing metokake beban abot lan impact kurang Lan bagean karo resistance nyandhang lan kekandelan ngalangi ing bagean salib ngisor 25mm, kayata Cacing, spindles, shafts, collars, etc.; sawise quenching lan tempering lan quenching lumahing frekuensi dhuwur, padha digunakake kanggo gawé atose lumahing dhuwur lan nyandhang resistance. Parts karo impact gedhe, kayata gir, lengen klambi, shafts, shafts utama, crankshafts, spindles, pins, nyambungake rods, ngawut-awut, perkakas, intake klep, etc. Kajaba iku, baja iki cocok kanggo Manufaktur macem-macem bagean transmisi kanggo carbonitriding, kayata minangka gir lan shafts karo diameteripun luwih gedhe lan kateguhan suhu kurang apik.
40Cr hot rolled steel round bars Kimia lan Mekanik

Komposisi kimia

C (%) 0.37~0.44 Si(%) 0.17~0.37 Mn (%) 0.50~0.80 P(%) ≤0,030
S(%) ≤0,030 Cr(%) 0.80~1.10


Sifat Mekanik

Sifat mekanik saka baja paduan GB 40CR anil digambarake ing tabel ing ngisor iki

Tarik ngasilaken Modulus akeh Modulus geser rasio Poisson Izod Impact
KSI KSI KSI KSI ft.lb
76900 55800 20300 11600 0.27-0.30 84.8

Perawatan panas Related

  • Anil baja struktural paduan 40CR

Alon-alon digawe panas kanggo 850 ℃ lan ngidini kaping cukup, supaya baja dadi sak tenane digawe panas, Banjur kelangan alon ing pawon. Baja paduan 40CR bakal entuk MAX 250 HB (kekerasan Brinell).

  • Pengerasan baja struktural paduan 40CR

Dipanasake alon-alon nganti 880-920 ° C, banjur sawise rendhem cukup ing suhu iki quench ing lenga. Temper nalika piranti tekan suhu kamar.

Setara saka 40Cr paduan Struktur Baja

USA Jerman Cina Jepang Prancis Inggris Italia Polandia ISO Austria Swedia bongso Spanyol
ASTM/AISI/UNS/SAE DIN, Wr GB JIS AFNOR BS UNI PN ISO ONORM SS UNE
5140 / G51400 41Cr4 / 1.7035 40Cr SCr440 42C4 530A40 / 530M40 41Cr4 2245

Aplikasi

baja GB 40CR digunakake digunakake kanggo macem-macem aplikasi ing industri otomotif lan engineering kanggo toolholder lan komponen liyane. Aplikasi khas kayata badan tutup, pompa lan fitting, Poros, beban dhuwur roda, bolt, bolt kepala kaping pindho, gear, lsp

Ukuran biasa lan Toleransi

Batang baja bulat: Diameter Ø 5mm - 3000mm

Plat baja: Ketebalan 5mm – 3000mm x Lebar 100mm – 3500mm

Baja heksagonal bar: Hex 5mm - 105mm

Liyane 40CR durung nemtokake ukuran, hubungi tim sales sing berpengalaman.

Produk sing gegandhengan
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