20CrMo gbona ti yiyi irin dì

Awọn ọpa iyipo irin ni a lo ni lilo pupọ ni ṣiṣe ẹrọ, ṣiṣe adaṣe, ọkọ oju-irin, ẹrọ mi, ẹrọ petoleum, ẹrọ ogbin ati archtecute ti ara ilu gẹgẹbi gbogbo iru awọn ọpa, awọn skru, awọn ọpa asopọ, awọn irinṣẹ ohun elo, awọn jia, awọn ẹya boṣewa, awọn ohun elo spanners, igbekalẹ awọn ẹya fun ọkọ ayọkẹlẹ ati ẹrọ ogbin, ita ati awọn apa aso inu, awọn rollers ati awọn bọọlu fun ṣiṣe.
GB 20CrMo irin jẹ iru irin alloy Kannada fun imọ-ẹrọ ati idi igbekalẹ ẹrọ, eyiti a lo ni gbogbogbo ni piparẹ tabi imunibinu tabi gbigbe ati pipa. Awọn ohun elo 20CrMo ni agbara ooru giga, lile lile, ko si ibinu ibinu, ṣiṣu igara tutu, ẹrọ ti o dara ati weldability.

20crmo Alloy Irin Bar Kemikali Tiwqn

Ipele	C	Si	Mn	P	S	Kr	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

Ohun-ini Ẹrọ:

Agbara fifẹ σb (MPa)	Agbara Ikore σs 0.2 (MPa)	Ilọsiwaju 5 (%)	Idinku ti crosssection agbegbe ψ (%)	Ballistic iṣẹ Akv (J)	Pounding toughness iye αkv (J/cm2)	Lile (HB)	Iwon Apeere
Min 835	Min 540	Min 10	Min 40	Min 47	Min 59	O pọju 179	15mm

Awọn ohun elo

20CrMo alloy, irin ti a lo ni iṣelọpọ ti awọn media ti kii ṣe ibajẹ ni awọn ohun elo kemikali ati awọn paipu titẹ giga, awọn finnifinni, awọn turbines nya, awọn abẹfẹlẹ igbomikana ati awọn forgings pẹlu iwọn otutu ti o ṣiṣẹ ni isalẹ 250 °C, ati awọn ẹya pataki carburizing gẹgẹbi awọn jia ati awọn ọpa ni awọn ẹrọ gbogbogbo. . O tun le ṣee lo ni aaye ti 1Cr13 irin lati ṣe agbejade titẹ alabọde, awọn turbines nya si titẹ kekere ni ipele titẹ agbegbe ti o gbona ti o gbona ju awọn abẹfẹlẹ ṣiṣẹ.

Ooru Itọju Specification

• Iwọn otutu alapapo akọkọ: 880 °C (Aṣoju Quenching: omi, epo)
• Iwọn otutu alapapo: 500 °C (aṣoju - omi, epo)

Awọn ipele deede

20CrMo ohun elo deede si US ASTM, European Germany DIN EN, British BS EN, France NF EN, Japanese JIS, ati ISO boṣewa. (Fun itọkasi)

20CrMo irin deede

China

USA

Jẹmánì

Japan

France

UK

ISO

Standard

Ipele

Standard

Ipele

Standard

Ipele (Nọmba Irin)

Standard

Ipele

Standard

Ipele (Nọmba Irin)

Standard

Ipele (Nọmba Irin)

Standard

Ipele

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 apakan 1

25CrMo4 (1.7218), 708M20

ISO 683-1

18CrMo4