The 17 4 ph stainless steel is magnetic and less corrosion resistant than 316l stainless steel.
17 4 stainless steel vs 316.
17 4 stainless steel also known as sae type 630 is a common and exceptionally durable type of steel used in a diverse variety of industries and applications.
Ss316 and 17 4 ph are common used two types of stainless steel grades for investment casting.
17 4 ph steel has been chosen by waukesha and copied by others because of the extended service it offers under extreme conditions.
Precipitation hardening grade is a combination of two stainless steel structures i e.
This article will focus on two types in particular.
17 4 and 316l stainless steel.
When you compare stainless steel 17 4 ph vs 316 it is obvious that 17 4 ph has higher hardening content.
Standard 316l is slightly magnetic but non magnetic versions are available.
316 is typical austenite stainless steel casting grade while 17 4 ph stainless steel is precipitation hardening material grade which are all defined in american standards.
But it isn t 316 and you re not quite sure why that matters but you have a piece of paper in front of you that says it does so go on and elaborate.
Both the grades i e.
The numbers 17 4 refer to its composition.
17 4 comparable to 302 304 is desgined mainly for high strength with some corrosion resist tbuelna aerospace 2 dec 14 23 12 more details about the application where these parts were used over the 3 year period would be helpful especially some photographs.
One distinguishing factor are the 17 4 ph shafts.