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ni pato
Irin Ọpa D3 jẹ irin iṣẹ tutu jẹ ti ASTM A681-1999 Iwọn Iwọn Irin. D3 Special Steel China Supplier and factory Otai Special Steel Supply D3 Tool, steel in Round bar, Plate, Flat bar, Square, Forging Oruka ati awọn miiran eyikeyi apẹrẹ. Ki o si pese gige, sawing, milled, machining processing.
ohun elo:
Ni gbogbogbo, awọn ohun elo ti D3 irin irin jọ awọn ti D2 sugbon o yẹ ki o wa ranti pe D3 ni o dara ju yiya resistance ti awọn meji, irin.
ati pe o fẹ fun iru awọn ohun kan bi awọn abẹfẹlẹ. Ni ibamu si resistance resistance ti o ga julọ, irin irinṣẹ D3 jẹ diẹ nira diẹ sii lati lọ ju D2.
tiwqn
| C | Mn | Si | Cr | V |
| 2.15 | 0.40 | 0.40 | 12.25 | 0.25 |
ni pato:
Mechanical Properties of D3 Cold Work Irin
| Awọn Ohun-elo Ikanṣe | ||
| Properties | ọkọọkan | Imperial |
| Ipa Izod ti ko ṣe akiyesi | 28.0 J | 20.7 ẹsẹ-lb |
| Ipin Poisson | 0.27-0.30 | 0.27-0.30 |
| Rirọpo modulu | 190-210 GPA | 27557-30457 ksi |
Awọn ohun-ini ti ara
| Properties | ọkọọkan | Imperial |
| iwuwo | 7.7 x 1000 kg / m3 | 0.278 lb/in3 |
| yo ojuami | 1421 ° C | 2590 ° F |
Gbigbọn: Ibinu lẹsẹkẹsẹ lẹhin quenching. Duro ni iwọn otutu fun wakati kan fun inch (1 mm) ti sisanra, wakati 25.4 o kere ju, lẹhinna afẹfẹ tutu si iwọn otutu ibaramu.
Fun o pọju resistance resistance, ibinu laarin 300-350°F (149-177°C) fun líle ti 62-63 HRC. Fun iwọntunwọnsi to dara julọ laarin atako yiya ati lile, ibinu laarin 450-500°F (232-260°C). Eyi yoo gbejade 58-60 HRC.
Lati dinku awọn aapọn inu inu ni awọn apakan agbelebu ti o tobi ju 6 inches (152.4 mm) ati lati mu iduroṣinṣin dara ninu awọn irinṣẹ ti yoo jẹ EDM'd lẹhin itọju ooru, awọn akoko rirọ ti awọn wakati 4 si 6 ni iwọn otutu otutu ni a gbaniyanju gaan.
anfani:
1. Giga yiya resistance
2. Agbara lile
3. Je ti si ledeburite, irin
| ohun | Apa miran (mm) | ilana | Ifijiṣẹ ifijiṣẹ |
| Waya Rod | DIA 5.5 - 13 | Ti yiyi Gbona | Dudu dudu & Afikun |
