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  • 15-5 Ph Round Bar and 15-5 Ph Rod

    15-5 Ph Round Bar, Rod / Plate & 15-5 Ph Flat Bar Suppliers

    Check Below 15-5 Ph Per Ams 5659, 15-5 Ph Ams 5862, Stainless Steel 15-5ph Round Bar Stockist - 15-5 Ph Din 15-5Ph Forgings, 15-5 Ph Heat Treatment & 15-5 Ph Stainless Steel Equivalent, 15-5 Ph Chemical Composition & 15-5 Ph Stainless Steel Properties.

    Stainless Steel Grade 15-5 PH (UNS S15500)

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    15-5 PH STAINLESS STEEL BAR & ROD

    Stainless steel 15 – 5 PH, also known as XM-12 or UNS S15500, is a modification of 17-4 PH developed in the 1960s. It has a more refined microstructure obtained through the remelting process. This refined structure improves toughness of the material. UNS S15500 also has low temperature hardening, good fabrication properties and excellent corrosion resistance, which makes it suitable for many industries. It can be machined in the solution-annealed state or in final heat treat condition. The strength and ductility of UNS S15500 can be enhanced through heating the material at different temperatures.

    UNS S15500 is a martensitic precipitation hardening type stainless steel. Martensitic stainless steels were designed to be corrosion resistant and hardened through heat treatment.

    15-5 is a variant of the older 17-4 chromium-nickel-copper precipitation hardening stainless steel. Both alloys exhibit high strength and moderate corrosion resistance. High strength is maintained to approximately 600 degrees F. The 15-5 alloy was designed to have greater toughness than 17-4. This improved toughness is achieved by reduced delta ferrite content and control of inclusion size and shape.

    Applications:

    • Aircraft components
    • High pressure corrosive fabricated parts such as valves
    • Shafts
    • Fasteners
    • Fittings and gears
    Typical Chemical Requirements
    15-5 PH Stainless Steel Condition A (annealed)
    Minimum Properties
    Ultimate Tensile Strength, psi 161,000
    Yield Strength, psi 140,000
    Elongation 7.6%
    Rockwell Hardness C35
    15-5 PH Bar Chemistry
    Iron (Fe) 71.91 - 79.85%
    Carbon (C) 0.07% max
    Chrome (Cr) 14 - 15.5%
    Manganese (Mn) 1% max
    Niobium (Nb) + Tantalum (Ta) 0.15 - 0.45% max
    Nickel (Ni) 3.5 - 5.5%
    Phosphorus (P) 0.04% max
    Sulphur (S) 0.03% min
    Silicon (Si) 1% max

    HEAT TREATMENT

    15 – 5 PH is normally supplied in the solution-treated condition, condition A. It may be hardened by heating solution-treated material to a temperature of 900ºF (480ºC) to 1150ºF (620ºC) for one to four hours, depending upon the temperature, then air cooling.

    SOLUTION TREATMENT

    Heat at 1900ºF (1040ºC) +/- 25ºF (14ºC) for 1/2 hr., cool to below 90ºF (32ºC) so that complete transformation to martensite takes place. Sections under 3″ (76mm) can be oil quenched, sections over 3″ (76mm) should be rapidly air cooled. Material should not be used in the solution-treated condition, due to poor toughness, poor impact strength and susceptibility to stress-corrosion cracking.

    FORGING

    Stock should be uniformly heated to 2150/2200ºF (1180/1205ºC) and held for 1 hour before forging. Material should not be forged below 1850 º F (1010ºC.)

    For optimum grain size and mechanical properties forged material should be air cooled to below 90ºF (32ºC) prior to further processing. Material must be solution treated before hardening.

    WELDABILITY

    This grade may be satisfactorily welded by the shielded fusion and resistance welding processes. Oxyacetylene welding is not recommended due to the possibility of carbon pickup. Weld joints should be designed so as to minimize stresses.

    Welding in the solution-treated condition is normally satisfactory, but if high welding stresses are anticipated it may be best to weld in the H1150, overaged condition. Preheating is not normally required.

    Typical Mechanical Properties

    Material Condition
    Ultimate Tensile Strength (ksi) 0.2 % Yield Strength (ksi) Elongation % in 2D % Reduction of Area Rockwell C Hardness
    Alloy 15-5 PH
    Bar AMS 5659
    Cond A - - - - 363 HB max
    Alloy 15-5 PH
    Bar AMS 5659
    H900 190 170 10 35 388-444
    Alloy 15-5 PH
    Bar AMS 5659
    H925 170 155 10 38 375-429
    Alloy 15-5 PH
    Bar AMS 5659
    H1025 155 145 12 45 331-401
    Alloy 15-5 PH
    Bar AMS 5659
    H1075 145 125 13 45 311-375
    Alloy 15-5 PH
    Bar AMS 5659
    H1100 140 115 14 45 302-363
    Alloy 15-5 PH
    Bar AMS 5659
    H1150 135 105 16 50 277-352

     

    Material Condition
    Ultimate Tensile Strength (ksi) 0.2 % Yield Strength (ksi) Elongation % in 2D % Reduction of Area Rockwell C Hardness
    Alloy 15-5 PH
    Sheet/Plate AMS 5862
    Cond A - - - - 38 max
    Alloy 15-5 PH
    Sheet/Plate AMS 5862
    H900 190 170 5 - 40-47
    Alloy 15-5 PH
    Sheet/Plate AMS 5862
    H925 170 155 5 - 38-45
    Alloy 15-5 PH
    Sheet/Plate AMS 5862
    H1025 155 145 5 - 35-42
    Alloy 15-5 PH
    Sheet/Plate AMS 5862
    H1075 145 125 5 - 33-39
    Alloy 15-5 PH
    Sheet/Plate AMS 5862
    H1100 140 115 5 - 32-38
    Alloy 15-5 PH
    Sheet/Plate AMS 5862
    H1150 135 105 8 - 28-37
    Specifications
    15-5 ESR to the following specifications:
    AMS 5659 TYPE 2 
    ASTM-A-484
    UNS-S15500
     
    15-5 PH VAC MELT to the following specifications:
    AMS 5659 TYPE 1
    ASTM-A-484
     
    15-5 VM COND H-1025 to the following specifications
    AMS-5659 T-1 (COND H-1025)
    AMS-H-6875
    ASTM-A-484
    ASTM-A-564 TYPE XM-12 (COND H-1025)
     
    15-5 VM COND H-1050 to the following specifications
    AMS-5659 T-1 (EXC. COND)
    AMS-H-6875
    ASTM-A-484
    ASTM-A-564 TYPE XM-12 (EXC. COND)
    BAC-5619 (150-170 MIN. TENS.)
      
    AMS 5862 Sheet, Strip and Plate. 
    AMS 5826 Welding Wire
    UNS : S15500

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