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.
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AM355 Forgings alternative material
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RE: AM355 Forgings alternative material
http://www
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
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Dalai Lama
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RE: AM355 Forgings alternative material
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
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
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
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
Michael McGuire
http://stainlesssteelforengineers.blogspot.com/
RE: AM355 Forgings alternative material
Yes, Thank you. However, Grade 630 material is not permitted for use in Section VIII, Div 1 vessels or Section I, only Section III.