Gabatarwa Na 17-4ph Bakin Karfe

17-4 bakin karfe farantin karfe (630) wani chromium-jan karfe hazo hardening bakin karfe abu amfani da aikace-aikace bukatar high ƙarfi da matsakaici matakin lalata juriya. Babban ƙarfi shine
ana kiyaye shi zuwa kusan digiri 600 Fahrenheit (digiri 316
Celsius).

Gabaɗaya Properties

Bakin karfe Alloy 17-4 PH shine hazo hardening martensitic bakin karfe tare da Cu da Nb/Cb tarawa. Matsayin ya haɗa babban ƙarfi, taurin (har zuwa 572°F/300°C), da lalata
juriya.

Chemistry Data

Carbon	0.07 max
Chromium	15-17.5
Copper	3 – 5
Iron	Ma'auni
Manganese	1 max
Nickel	3 – 5
Niobium	0.15 - 0.45
Niobium+Tantalum	0.15 - 0.45
Phosphorus	0.04 max
Siliki	1 max
Sulfur	0.03 max

Juriya na Lalata

Alloy 17-4 PH yana tsayayya da hare-hare masu lalacewa fiye da kowane daidaitattun bakin karfe masu tauri kuma yana kama da Alloy 304 a yawancin kafofin watsa labarai.

Idan akwai yuwuwar haɗarin lalata damuwa, yanayin zafi mafi girma sannan dole ne a zaɓi sama da 1022°F (550°C), zai fi dacewa 1094°F (590°C). 1022°F (550°C) shine mafi kyawun zafin jiki a cikin kafofin watsa labarai na chloride.

1094°F (590°C) shine mafi kyawun zafin jiki a cikin kafofin watsa labarai na H2S.

Alloy ɗin yana fuskantar ɓarna ko ɓarna idan an fallasa shi ga ruwan tekun da ya tsaya tsayin daka na kowane lokaci.

Yana da juriya da lalata a wasu sinadarai, man fetur, takarda, kiwo da masana'antun sarrafa abinci (daidai da darajar 304L).

Aikace-aikace

������������������������������������· Masana'antar abinci· Masana'antar almara da takarda· Aerospace (turbine ruwan wukake, da dai sauransu)· Abubuwan injina · Kwayoyin sharar nukiliya

Matsayi

ASTM A693 grade 630 (AMS 5604B) UNS S17400· EURONORM 1.4542 X5CrNiCuNb 16-4· AFNOR Z5 CNU 17-4PH· DIN 1.4542