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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Stainless expansion rates
Which stainless steel alloy has the lowest expansion rate? I know
304L is on the low end, but are any lower? Is there a web site with tables? Many thanks, all. Theo |
#2
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Stainless expansion rates
Eel Loin wrote:
Which stainless steel alloy has the lowest expansion rate? I know 304L is on the low end, but are any lower? Is there a web site with tables? Many thanks, all. Theo http://www.assda.asn.au/asp/index.asp?pgid=17971 |
#3
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Stainless expansion rates
I was surprised to see what a wide range of thermal expansion
coefficients there were in the various stainless steel alloys. 304 has the highest thermal expansion coefficient, 9.6. The 400 series of stainless steels have much lower coefficients, all around 5.8, with 403 the lowest at 5.5. So the 400 series is much more stable dimensionally with change in temperature. I assume that you are interested in the thermal expansion coefficient. All this came from Machinery Handbook. If you are talking about strain vs. stress, that is Young's modulus, and it does not vary much with different steels. http://www.mse.cornell.edu/courses/engri111/modulus.htm Richard Eel Loin wrote: Which stainless steel alloy has the lowest expansion rate? I know 304L is on the low end, but are any lower? Is there a web site with tables? Many thanks, all. Theo -- http://www.fergusonsculpture.com Sculptures in copper and other metals |
#4
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Stainless expansion rates
See Invar - a Ni-Fe Alloy
"Eel Loin" wrote in message ... Which stainless steel alloy has the lowest expansion rate? I know 304L is on the low end, but are any lower? Is there a web site with tables? Many thanks, all. Theo |
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