17-4PH KARFE KARFE MAI WUTA

Alloy 17-4 shine hazo mai chromium-jan karfe mai taurin bakin karfe wanda ake amfani dashi don aikace-aikacen da ke buƙatar ƙarfin ƙarfi da matsakaicin matakin lalata. Yana ɗaya daga cikin maki taurin hazo da aka fi amfani da shi, saboda yana da ƙarfi mai ƙarfi har kusan 572°F yayin da yake nuna kyakkyawan juriya na lalata a duk yanayin yanayin zafi. Alloy 17-4 yana da isasshen juriya ga lalata yanayi ko a cikin salts acid diluted inda juriyawar lalata ta dace da Alloy 304 ko 430. Alloy 17-4 na iya zama zafi da aka bi da shi zuwa yanayin zafi daban-daban don haɓaka nau'ikan kaddarorin. Za'a iya inganta kayan aikin injin sa tare da maganin zafi inda za'a iya samun ƙarfin yawan amfanin ƙasa har zuwa 180 ksi. Kada a yi amfani da Alloy 17-4 a yanayin zafi sama da 572°F ko kuma a yanayin zafi sosai.

17-4 Bakin Karfe
Wannan hazo martensitic hardening bakin karfe yana da hade da babban taurin da ƙarfi bayan dace zafi magani. Hakanan yana da irin wannan lalata da juriya mai zafi zuwa Grade 304. Kalmomi biyu "Nau'in 630" da "17-4PH" suna nuni ga daraja ɗaya.

Abun da ke ciki:

• Carbon: 0.07 max
• Manganese: 1.00 max
• Phosphorus: 0.040 max
• Sulfur: 0.030 max
• Siliki: 1.00 max
• Chromium: 15.00 - 17.50
• Nickel: 3.00 - 5.00
• Copper: 3.00 - 5.00
• Iron: Balance

Abubuwan Jiki:

• Wurin narkewa: 2560 - 2625°F (1404 – 1440°C)
• Yawan yawa: 0.282 lbs /in3 / 7.8 g /cm3
• Modulus na Ƙarfafawa a cikin Tashin hankali: 28.5 X 106 psi / 197 GPa

Kayayyakin Injini:

• Sharadi: Magani Magani (A)
• Ƙarfin Ƙarfin Ƙarfin Ƙarfi (psi): 160,000
• Ƙarfin Haɓaka Mafi ƙarancin 0.2% (psi): 145,000
• % Tsawaitawa cikin 2" Na Musamman: 5%
• Saukewa: Rockwell B85

• Yanayi: Taurare + Shekaru (TH1050)
• Ƙarfin Ƙarfin Ƙarfin Jiki (psi): 200,000
• Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfi na 2% (psi): 185,000
• % Tsawaita cikin 2": 8%
• Saukewa: Rockwell C35

• Yanayi: Shekaru (H1075)
• Ƙarfin Ƙarfin Ƙarfin Jiki Na Musamman (psi): 175,000
• Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfi na 2% (psi): 165,000
• % Tsawaita cikin 2": 8%
• Saukewa: Rockwell C37

• Yanayi: Shekaru (H900)
• Ƙarfin Ƙarfin Ƙarfin Jiki (psi): 210,000
• Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfi na 2% (psi): 200,000
• % Tsawaita cikin 2": 7%
• Saukewa: Rockwell C45