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Altemp Alloys Inc.
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Exotic, High Temperature Alloys & Super Alloys
Exotic, High Temperature Alloys & Super Alloys

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Fun facts: The % composition of 17-4ph stainless steel is: 

    Carbon 0.070 max
    Chromium 15.00 - 17.50
    Columbian + Tantalum 0.15 - 0.45
    Copper 3.00 - 5.00
    Manganese1.00 max
    Nickel 3.00 - 5.00
    Phosphorus 0.040 max
    Silicon 1.00 max
    Sulfur 0.030 max

Over your head? You're right. A few applications of 17-4 ph include foils and helicopter deck platforms and aircraft and gas turbines. 
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