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» 17-4 PH or 1.4542 (medical instruments)
Round Bars

SS 17/4 PH (17 4, 4542) is a precipitation hardenable Martensitic stainless steel with high strength, and good corrosion resistance. It is easily heat treated from the annealed temper.

6 mm 18 mm 40 mm 60 mm 90 mm
8 mm 20 mm 42 mm 65 mm 95 mm
10 mm 25 mm 45 mm 70 mm 110 mm
12 mm 30 mm 50 mm 75 mm  
15 mm 35 mm 55 mm 80 mm  

» Technical Data Sheet

Chromium
Nickel
Copper
15.3 %
4.3 %
3.3 %
Columbium/Tantalum
Carbon
Iron
0.25 %
0.04 %
Balance
 
Ultimate Tensile Strength
Yield Strength (0.2% Offset)
Elongation in 2 inch*
Modulus of Elasticity (Tension)
Poissonts Ratio
Annealed
160 KSI
145 KSI
5 %
28.5 x 10 6 PSI
 
0.27
Annealed / Heat Treated
200 KSI
180 KSI
3 %
 
* The measured elongation will be less as thickness decreases to 0.002 inch and less
Density (Heat Treated)
Electrical Resistivity (Heat Treated)
Thermal Expansion Coefficient
(21º to 93ºC) - Heat Treated
Thermal Conductivity @ 150ºC
Magnetic Attraction
0.282 lbs/cu.in.
80 Microhmxcm
10. 8 x 10 -6/ºc
 
17.9 W/m-k
Yes
   

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