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UNS K41545

UNS K41545

UNS K41545

(OP)
Anyone familiar with the above UNS Metal...

We have a customer that believes something they are grinding is made from this.  I can't find anything on matweb.com.  The customer sent us the following compositions.


Cr  3.14,3.92,2.92
Fe  95.96, 95.15, 95.85
Mo  .34, .40,.40

Haven't had any luck finding something that matches the above properties or the UNS #.

Any help would be greatly appreciated.

Thanks,

Alan M. Etzkorn  
Product Engineer
Nixon Tool Co.
www.nixontool.com

RE: UNS K41545

Covers A182 Grade F5 Alloy Steel
Covers A335 Grade P5 Alloy Steel

Chemical Analysis ASTM A182 F5 (UNS K41545)
0.15% Max C
0.30 - 0.60 Mn
0.030 Max P
0.030 Max S
0.50 Max Si
0.50 Max Ni
4-6% Cr
0.44 - 0.65 Mo

Tensile 70 ksi min
Yierld 40 ksi, min
Elongation 20% min
reduction Area 35% min
Brinnell Hardness 143-217

The Cr and Moly in your samples seem low compared to the ASTM A192 F5 and A335 P5 specifications.

RE: UNS K41545

K41545 has 4.00 - 6.00% CR and .44 - .65% Mo, aka, 5CR-1/2MO alloy.

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