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AM355 Forgings alternative material

AM355 Forgings alternative material

AM355 Forgings alternative material

(OP)
I want to know what is AM 355 and its equvilent in ASTM and ANSI. Is AM 355 still available with this name. Kindly help.

RE: AM355 Forgings alternative material


AM-355
 
 
Category  Steel
Class  Stainless steel
Type  Precipitation-hardening nonstandard
Designations  United States: UNS S35500

Mechanical Properties
 
 
Properties  Conditions  
T (°C) Treatment
Density (×1000 kg/m3) 7.7-8.03  25   
Poisson's Ratio 0.27-0.30 25   
Elastic Modulus (GPa) 190-210  25   
Tensile Strength (Mpa) 1170  25  equalize plus overtemper 540°C (bar) more
Yield Strength (Mpa) 1070  
Elongation (%) 12  
Reduction in Area (%) 25  


 

Learn the rules,so you know how to break them properly.
Dalai Lama

_____________________________________
 

RE: AM355 Forgings alternative material

Go here for detailed information

http://www.cartech.com/ssalloysprod.aspx?id=2020

There is no ASTM equivalent for this alloy. As far as an alternative alloy to UNS S35500, this is not an easy solution because it is application specific. You need to first obtain the technical information above and compare with alternative Cr-Ni-Mo steels or consider upgrading to a Ni-base alloy.
 

RE: AM355 Forgings alternative material

Thanks metengr.
What about ASTM A 705 Grade 634.
My application is a pressure vessel . I have to have forgings in sheel and dish form.
Kindly advice.
Regards
Moiz Khan

RE: AM355 Forgings alternative material

safiamoiz;
Indeed, this material falls under Grade 634 in ASTM A 704. However, this material is not suitable for pressure retaining use in pressure vessels, only general use.

Instead, if you need a PH stainless steel you can use ASTM A 704 Grade 634 (17-4 PH) for this application because it is a code approved material for ASME Section VIII, Div 1 pressure vessel application.
 

RE: AM355 Forgings alternative material

(OP)
Dear metengr

ASME SA 705 grade 634 is a ASME allowed pressure vessel material . See ASME Section II A for reference for Class NB - Class I pressure vessel material.(However, 704 does not exist, i thing it is a typographic error)

RE: AM355 Forgings alternative material

This alloy is currently produced for only one application, a military helicopter control blade. Availability may thus be an issue.

Michael McGuire
http://stainlesssteelforengineers.blogspot.com/

RE: AM355 Forgings alternative material

mamoizkhan;
Yes, Thank you. However, Grade 630 material is not permitted for use in Section VIII, Div 1 vessels or Section I, only Section III.

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