The 317 stainless steel t亮務ube is a brand of stainless steel p人樹roduced in accordance with the 朋喝ASTM standard of the Unit東近ed States. It is equival玩什ent to the 0Cr1鄉這9Ni13Mo3 stainless s草快teel tube in our country. 317 chromium相男 containing 19%, con紅愛taining nickel 13%, contain什飛ing molybdenum 3%.

The corrosion resistance of 3黃說17 stainless st體件eel tube is better than tha麗票t of 0Cr17Ni12Mo3, and it is 舊分used as the materi從電al of dyeing equipment.

Heat treatment of 317 stainless st少票eel tube: solid solu玩愛tion treatme子媽nt (centigrade) 1010-1喝們150 fast cooling

Mechanical properties也章 of austenitic steel with 317 stainle了務ss steel tube treated by solid solutio銀厭n (GB/T4237-92女姐)

The yield strength is more than 205/樹筆MPa, the tensile北麗 strength is more than 5鄉笑20/ MPa, the elo吃美ngation is higher than 35%, h開間ardness test: HBS = 裡城187, HRB = 90, HV = 200

317 stainless的有 steel chemical compositi麗的on: C = 0.08, Si = 1, Mn = 2, 機從P = 0.035, S = 0.030, N街他i=11~15, Cr=18.00~20.00, Mo=3~4

A high alloy steel corrosion 公音resistance in the air or chemic著商al corrosion, stainles新在s steel is a beautiful su也筆rface and good 森場corrosion resistance, without外房 plating surface treatment, 一慢its inherent surface properti空光es of stainless steel, used in many 如外aspects of steel, oft的們en called stainless steel. Represe嗎弟nts the properties of 13 steel, chromi到東um nickel steel and high 白我alloy steel 18-8.林和

From metallographical analysis, stainl如不ess steel contains chromiu錢腦m to form a thin chromium film 站金on the surface, which separa在學tes the oxygen from the 子雪steel and acts as an a多姐nticorrosive ag這她ent.

In order to maintain the corro快雨sion resistance i木遠nherent to the 跳冷stainless steel, the s冷高teel must contain more than 12相風% chromium.