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20CrMo lembaran baja digulung panas
20CrMo lembaran baja digulung panas
20CrMo lembaran baja digulung panas
20CrMo lembaran baja digulung panas

20CrMo lembaran baja digulung panas

20crmo Alloy Steel Bar digunakake digunakake kanggo nggawe tabung tekanan lan fastener sing medium non-korosif, medium hidrogen nitrogen lan bisa digunakake ing 250 ° C, kayata vane, baffle, forging lan bagean sing digulung ing turbin lan ketel, bagean carburing penting sing umum. mesin.
introduksi produk
bar bunder baja sing digunakake digunakake ing mesin nggawe, autombile nggawe, railway, mine machinery, petoleum machinry, mesin tetanèn lan archtectue sipil kayata kabeh jinis shafts, ngawut-awut, rod nyambungake, piranti hardware, Gir, bagean standar, spanner fasteners, struktural. bagean kanggo mobil lan mesin tetanèn, lengen njaba lan njero, rol lan bal kanggo nggawe bantalan.
Baja GB 20CrMo yaiku jinis baja paduan Cina kanggo tujuan teknik lan struktur mekanik, sing umume digunakake ing quenching utawa tempering utawa carburizing lan quenching. materi 20CrMo nduweni kekuatan panas dhuwur, hardenability apik, ora brittleness emosi, plasticity galur kadhemen, machinability apik lan weldability.
data teknis
20crmo Alloy Steel Bar Komposisi Kimia
sasmita C Si Mn P S Cr Mo
20CrMo 0.17-0.24 0.17-0.37 0.40-0.70 ≤0,030 ≤0,030 0.80-1.10 0.15-0.25
Properti Mekanik:
Kekuwatan tensile
σb (MPa)
Kekuwatan Ngasilake
σs 0,2 (MPa)
Elongation
δ 5 (%)
Pengurangan area crosssection
ψ (%)
Karya balistik
Akv (J)
Nilai ketangguhan ketukan
αkv (J/cm2)
Kekerasan (HB) Ukuran Spesimen
Min 835 Min 540 Min 10 Min 40 Min 47 Min 59 Maks 179 15 mm
Aplikasi

20CrMo baja alloy digunakake ing Pabrik media non-korosif ing peralatan kimia lan pipo tekanan dhuwur, fasteners, turbin uap, glathi ketel lan forgings karo suhu apa ngisor 250 °C, lan bagean carburizing penting kayata Gir lan shafts ing mesin umum . Sampeyan uga bisa digunakake minangka ganti baja 1Cr13 kanggo nggawe tekanan medium, turbin uap tekanan rendah ing bilah kerja tekanan zona uap superheated.

Spesifikasi Heat Treatment

  • Suhu pemanasan quenching pisanan: 880 °C (Agen quenching: banyu, lenga)
  • Suhu pemanasan tempering: 500 °C (agen - banyu, lenga)

Kelas sing padha

Materi 20CrMo sing padha karo ASTM AS, DIN EN Jerman Eropa, BS EN Inggris, NF EN Prancis, JIS Jepang, lan standar ISO. (Kanggo referensi)

20CrMo baja setara
Cina USA Jerman Jepang Prancis UK ISO
Standar sasmita Standar sasmita Standar Grade (Nomer Baja) Standar sasmita Standar Grade (Nomer Baja) Standar Grade (Nomer Baja) Standar sasmita
GB/T 3077 20CrMo AISI SAE;
ASTM A29/A29M
4120 DIN EN 10083-3 25CrMo4 (1.7218) JIS G4053 SCM420 NF EN 10083-3,
NF A35-551
25CrMo4 (1.7218),
18CD4
BS EN 10083-3,
BS 970 Part 1
25CrMo4 (1.7218),
708M20
ISO 683-1 18CrMo4
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