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20CrMnMo hot rolled baja babak bar
20CrMnMo hot rolled baja babak bar
20CrMnMo hot rolled baja babak bar
20CrMnMo hot rolled baja babak bar

20CrMnMo hot rolled baja babak bar

Kinerja pangolahan termal sing apik, normalisasi sawise kinerja pemotongan sing apik, sawise quenching lan tempering kanthi sifat mekanik sing apik lan ketangguhan impact suhu sing kurang, sawise karburisasi duwe kekuatan lentur sing dhuwur lan tahan nyandhang, nanging weldability sing kurang, supaya bisa dadi panas sadurunge welding, sawise welding kudu dadi tempered. Biasane digunakake ing syarat manufaktur saka atose lumahing dhuwur, resistance nyandhang apik bagean carburizing penting, kayata Gir, camshafts rod,
introduksi produk
Kinerja pangolahan termal sing apik, normalisasi sawise kinerja pemotongan sing apik, sawise quenching lan tempering kanthi sifat mekanik sing apik lan ketangguhan impact suhu sing kurang, sawise karburisasi duwe kekuatan lentur sing dhuwur lan tahan nyandhang, nanging weldability sing kurang, supaya bisa dadi panas sadurunge welding, sawise welding kudu dadi tempered. Biasane digunakake ing syarat manufaktur saka atose lumahing dhuwur, resistance nyandhang apik bagean carburizing penting, kayata Gir, camshafts rod,
data teknis
Komposisi kimia:
Karbon C: 0,17 ~ 0,23
Si Si: 1.17 ~ 1.37
Mn Mn: 0,90 ~ 1,20
Sulfur S: kanggo ngidini isi residual ≤0,035
Fosfor P: kanggo ngidini isi residual ≤0,035
Kromium Cr: 1.10 ~ 1.40
Ni: kanggo ngidini isi residual ≤0,030
Cu: kanggo ngidini isi residual ≤0,030
Mo Mo: 0.20 ~ 0.30
Sifat Mekanik:
Kekuwatan tarik σb (MPa): ≥1175 (120)
Kekuwatan ngasilake σs (MPa): ≥885 (90)
Elongasi δ5 (%): ≥10
Pengurangan ψ (%): ≥45
Dampak energi Akv (J): ≥55
Ketangguhan impact αkv (J / cm2): ≥69 (7)
Atose: ≤217HB
Ukuran sampel: Ukuran sampel 15mm kasar
Perlakuan panas lan spesifikasi struktur mikro:
Spesifikasi perawatan panas: quenching 850 ℃, cooling lenga; tempering 200 ℃, banyu-cooled, online-cooled.
Struktur mikro: martensit tempered.
Status pangiriman: kanggo perawatan panas (normalisasi, annealing utawa tempering) utawa tanpa pangiriman perawatan panas, status pangiriman kudu kasebut ing kontrak.
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