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20CrMo impapuro zishyushye zishyushye
20CrMo impapuro zishyushye zishyushye
20CrMo impapuro zishyushye zishyushye
20CrMo impapuro zishyushye zishyushye

20CrMo impapuro zishyushye zishyushye

20crmo Alloy Steel Bar ikoreshwa cyane mugukora igitutu cyumuvuduko nigikoresho cyihuta kidashobora kwangirika, hagati ya azote ya azote kandi ikora munsi ya 250 ° C, nka vane, baffle, guhimba no kuzunguruka muri turbine na boiler, ibice byingenzi bya karbone mubisanzwe imashini.
Kumenyekanisha ibicuruzwa
ibyuma bizenguruka ibyuma bikoreshwa cyane mugukora imashini, gukora autombile, gari ya moshi, imashini zicukura amabuye y'agaciro, imashini za peteroli, imashini zubuhinzi nububiko bwa gisivili nkubwoko bwose bwimigozi, imigozi, guhuza inkoni, ibikoresho byuma, ibikoresho, ibice bisanzwe, ibyuma bifata ibyuma, ibyuma byubaka, imiterere ibice by'imashini zikoresha imodoka n’ubuhinzi, amaboko yo hanze na iner, umuzingo n'imipira yo gukora.
GB 20CrMo ibyuma ni ubwoko bwibyuma byabashinwa bivanga mubyuma byububiko nubukanishi, bisanzwe bikoreshwa mukuzimya cyangwa kurakara cyangwa gutwika no kuzimya. 20CrMo ibikoresho bifite imbaraga zubushyuhe bwinshi, gukomera kwiza, nta burakari bukabije, plastike ikonje, imashini nziza no gusudira.
Amakuru ya tekiniki
20crmo Alloy Steel Bar Ibikoresho bya Shimi
Icyiciro 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
Umutungo wa mashini:
Imbaraga
σb (MPa)
Gutanga Imbaraga
0.2 (MPa)
Kurambura
δ 5 (%)
Kugabanya agace kambukiranya
% (%)
Akazi ka ballistique
Akv (J)
Gukubita agaciro
αkv (J / cm2)
Gukomera (HB) Ingano yerekana
Min 835 Min 540 Min 10 Min 40 Min 47 Min 59 Max 179 15mm
Porogaramu

20CrMo ibyuma bivangavanze bikoreshwa mugukora itangazamakuru ridashobora kwangirika mubikoresho bya chimique hamwe nu miyoboro yumuvuduko mwinshi, ibyuma bifata ibyuma, amashyanyarazi, ibyuma byo gutekesha no kwibagirwa hamwe nubushyuhe bwakazi buri munsi ya 250 ° C, hamwe nibice byingenzi bya karburizasi nkibikoresho na shitingi mumashini rusange . Irashobora kandi gukoreshwa mu cyuma cya 1Cr13 kugirango ikore ingufu ziciriritse, turbine yumuvuduko muke wa turbine murwego rwo hejuru rwumuvuduko ukabije wicyuma gikora.

Ibisobanuro byo kuvura ubushyuhe

  • Ubushyuhe bwa mbere bwo kuzimya ubushyuhe: 880 ° C (Umukozi uzimya: amazi, amavuta)
  • Ubushyuhe bwo gushyushya ubushyuhe: 500 ° C (agent - amazi, amavuta)

Amanota angana

20CrMo ibikoresho bihwanye na ASTM yo muri Amerika, Ubudage bwu Burayi DIN EN, Ubwongereza BS EN, Ubufaransa NF EN, Ubuyapani JIS, na ISO. (Kubisobanura)

20CrMo ibyuma bihwanye
Ubushinwa Amerika Ubudage Ubuyapani Ubufaransa Ubwongereza ISO
Bisanzwe Icyiciro Bisanzwe Icyiciro Bisanzwe Icyiciro (Umubare w'icyuma) Bisanzwe Icyiciro Bisanzwe Icyiciro (Umubare w'icyuma) Bisanzwe Icyiciro (Umubare w'icyuma) Bisanzwe Icyiciro
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 Igice cya 1
25CrMo4 (1.7218),
708M20
ISO 683-1 18CrMo4
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