20CrMo zafi birgima karfe takardar

Karfe zagaye sanduna ana amfani da ko'ina a cikin injina, kera motoci, layin dogo, injinan ma'adinai, injinan mai, injinan noma da kayan aikin farar hula kamar kowane nau'in shafts, sukurori, sanduna masu haɗawa, kayan aikin hardware, gears, daidaitattun sassa, masu ɗaukar hoto, tsarin gini. sassa na mota da injinan noma, na waje da na ciki, rollers da ƙwallo don ƙirƙira.
GB 20CrMo karfe shine nau'in ƙarfe na gami na kasar Sin don aikin injiniya da tsarin tsarin injiniya, wanda galibi ana amfani dashi wajen kashewa ko zafin rai ko carburizing da quenching. 20CrMo abu yana da ƙarfin zafi mai ƙarfi, mai ƙarfi mai ƙarfi, babu zafin fushi, ƙarancin ƙarancin sanyi, injina mai kyau da weldability.

20crmo Alloy Karfe Bar Chemical Composition

Daraja	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

Kayan Kanikanci:

Ƙarfin ƙarfi σb (MPa)	Ƙarfin Haɓaka 0.2 (MPa)	Tsawaitawa 5 (%)	Rage yankin crosssection ψ (%)	Aikin ballistic Akv (J)	Ƙimar taurin kai αkv (J/cm2)	Hardness (HB)	Girman Samfura
Minti 835	Min 540	Min 10	Minti 40	Minti 47	Minti 59	Max 179	15mm ku

Aikace-aikace

20CrMo gami karfe ana amfani dashi a cikin kera na'urorin watsa labarai marasa lalacewa a cikin kayan aikin sinadarai da manyan bututun matsa lamba, masu ɗaure, injin tururi, injin tukunyar jirgi da ƙirƙira tare da zafin jiki na aiki ƙasa da 250 ° C, da mahimman sassa na carburizing kamar gears da shafts a cikin injin gabaɗaya. . Hakanan za'a iya amfani da shi a wurin 1Cr13 karfe don kera matsakaicin matsa lamba, ƙananan tururi turbines a cikin mafi zafi yankin matsa lamba matakin aiki ruwan wukake.

Ƙayyadaddun Maganin Zafi

• Na farko quenching dumama zafin jiki: 880 °C (Quenching wakili: ruwa, mai)
• Tempering dumama zafin jiki: 500 °C (wakili - ruwa, mai)

Daidai Maki

20CrMo abu daidai da US ASTM, Turai Jamus DIN EN, British BS EN, Faransa NF EN, Jafananci JIS, da ISO misali. (don tunani)

20CrMo karfe daidai

China

Amurka

Jamus

Japan

Faransa

Birtaniya

ISO

Daidaitawa

Daraja

Daidaitawa

Daraja

Daidaitawa

Daraja (Lambar Karfe)

Daidaitawa

Daraja

Daidaitawa

Daraja (Lambar Karfe)

Daidaitawa

Daraja (Lambar Karfe)

Daidaitawa

Daraja

GB/T 3077

20CrMo

AISI SAE; ASTM A29 / A29M

4120

DIN EN 10083-3

25CrMo4 (1.7218)

Saukewa: G4053

Saukewa: SCM420

NF EN 10083-3 Saukewa: A35-551

25CrMo4 (1.7218), 18 CD4

TS EN 10083-3 BS970 Kashi na 1

25CrMo4 (1.7218), 708M20

ISO 683-1

18CrMo4