ALLOY DESIG/UNS NO: Invar Piping 36% Ni Alloy Steel Piping 1

[LSThill]

What is the B31.3 SA & ASTM or ALLOY DESIG/UNS NO. for Invar Piping 36% Ni Alloy Steel Piping

Leonard@thill.biz

 

[unclesyd]

It is/was a Carpenter Alloy
It falls under:
Boeing 33028
ASTM B753
ASTM F1684
MIL-S-16598
MIL-I-23011 Cl7

There is also a Super Invar 32-5 that has a lower thermal expansion.

 

[unclesyd]

Back again don't know which one applies to pipe but at least a starting point. I did have one for piping but like everything else is misfiled/lost. We used the wire and bar.
The Japanese have done a lot of work with Invar 36 on cryogenic piping.

UNS K93600, K93601
ASTM B 388, B 753
DIN 1715
S.E.W. 385
Werkstoff Nr. 1.3912
AFNOR NF A54-301

http://www.a-1wire.com/Alloys/Datasheets/Nilo36.htm