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Old 05-15-2003, 03:31 PM   #1 (permalink)
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Astralloy-V alloy steel - anyone heard of this stuff?

I've been asked if I want to use this stuff for some floater axle shafts. Anyone heard of it?

http://www.astralloy.com/products/av/astralloy-v.asp

I'm told it's slightly superior to 4340, which is my other choice. What do you think? Material specs are listed there on the site.

Chris
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Old 05-15-2003, 03:37 PM   #2 (permalink)
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damn, that's alot stronger than 4340
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Old 05-15-2003, 04:51 PM   #3 (permalink)
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It's still not as good as 4340, it has about the same ductility as 4340 and it has a high tensile strength, not as high as 4340 can be, but the yield strength is pretty low, no where near 4340. It is an air-hardening steel, it looks like it was developed for the mining industry where they need stuff that is hard and abrasion resistant and can be fabricated into large parts that can still be air hardened when they are too large to quench.
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Old 05-15-2003, 08:09 PM   #4 (permalink)
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Re: Astralloy-V alloy steel - anyone heard of this stuff?

Quote:
Originally posted by cwate
I've been asked if I want to use this stuff for some floater axle shafts. Anyone heard of it?

http://www.astralloy.com/products/av/astralloy-v.asp

I'm told it's slightly superior to 4340, which is my other choice. What do you think? Material specs are listed there on the site.

Chris
I don't know which is better but this guy is using them and you might even know him. http://www.exaxt.ca/images/axle3A2.jpg
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Old 05-26-2003, 11:24 AM   #5 (permalink)
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GOAT1, I value your input. To quote the manufacturer's info backed by independent tests:

"Astralloy-V Shafting has 300% greater transverse toughness with greater yield strength than heat treated 4340"

Comments? In the mining industry (locally anyway), the material is replacing 4340. And we've been working on a whole line of domestic axle shafts for a little while now 'cause we've had such great success with the material so far.

--Rob


Quote:
Originally posted by GOAT1
It's still not as good as 4340, it has about the same ductility as 4340 and it has a high tensile strength, not as high as 4340 can be, but the yield strength is pretty low, no where near 4340. It is an air-hardening steel, it looks like it was developed for the mining industry where they need stuff that is hard and abrasion resistant and can be fabricated into large parts that can still be air hardened when they are too large to quench.
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Old 05-26-2003, 01:53 PM   #6 (permalink)
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Quote:
Originally posted by ryeguy
GOAT1, I value your input. To quote the manufacturer's info backed by independent tests:

"Astralloy-V Shafting has 300% greater transverse toughness with greater yield strength than heat treated 4340"

Comments? In the mining industry (locally anyway), the material is replacing 4340. And we've been working on a whole line of domestic axle shafts for a little while now 'cause we've had such great success with the material so far.

--Rob


I have no experience with this material, this is the first time I have heard of it so who knows how it compares to 4340 unitil you do some testing. They say it's so much better that 4340, but if you look at the numbers, it's not. Of course they are going to say their product is better that the competition.
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