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65Mn hot rolled baja babak bar
65Mn hot rolled baja babak bar
65Mn hot rolled baja babak bar
65Mn hot rolled baja babak bar

65Mn hot rolled baja babak bar

65Mn baja karbon dhuwur utamané dipigunakaké ing Pabrik macem-macem cilik-bagean flat springs, spring babak, clockwork, etc. Uga bisa digunakake kanggo Pabrik spring rings, spring klep, absorbers kejut, reeds genggaman lan springs brake.
65Mn hot rolled steel round bar informasi
Baja 65Mn minangka bahan baja spring standar Cina GB, Mangan (Mn) nambah hardenability, saengga kekuatan, kekerasan, elastisitas lan hardenability luwih dhuwur tinimbang baja 65 #, nanging nduweni sensitivitas panas lan brittleness. Banyu quenching cenderung kanggo mbentuk retak. Negara anil nduweni kemampuan mesin sing apik, plastisitas deformasi dingin sing kurang, lan kemampuan las sing kurang.
65Mn baja karbon dhuwur utamané dipigunakaké ing Pabrik macem-macem cilik-bagean flat springs, spring babak, clockwork, etc. Uga bisa digunakake kanggo Pabrik spring rings, spring klep, absorbers kejut, reeds genggaman lan springs brake.
Kimia lan Mekanik

Komposisi kimia

Tabel ing ngisor iki nampilake komposisi kimia baja karbon dhuwur 65Mn adhedhasar analisis panas.

Komposisi kimia,%
Standar sasmita C Si Mn P, ≤ S, ≤ Cr, ≤ Ni, ≤ Cu, ≤
GB/T 1222 65Mn 0.62-0.70 0.17-0.37 0.90-1.20 0.030 0.030 0.25 0.35 0.25

65Mn Properties Material

Kapadhetan: 7,85 g/cm3

Properti Mekanik
Standar sasmita Kekuatan Tarik, MPa, ≥ Kekuwatan Ngasilake, MPa, ≥ Elongasi, %, ≥ Pengurangan ing Area, %, ≥ Kekerasan Brinell, HBW, ≤
GB/T 1222 65Mn 980 785 8.0 30 302

Cathetan: Bar kanthi diameter lan dawa sisih ora luwih saka 80 mm lan baja sing rata kanthi kekandelan ora luwih saka 40 mm.

Spesifikasi Heat Treatment

Perawatan panas
Standar sasmita Suhu Quenching, °C Media Quenching Suhu tempering, °C
GB/T 1222 65Mn 830 ± 20 lenga 540 ± 20

Proses Annealing: Suhu Annealing (860 ± 10) °C, pengawetan panas kanggo 45-60min, pendinginan tungku nganti (750 ± 10) °C, pengawetan panas kanggo 3-3.5h, lan pendinginan tungku nganti 650-660 °C, banjur cooling metu saka pawon utawa cooling alon ing jugangan pengawetan panas.

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