15-5 ph Stainless Steel Bar

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
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Manufacture Method
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SKU Description DFARS Manufacture Method Diameter Shape Specification
Sku: 21921 Description: 15-5 PH RD 5659 COND A 3/8 RD DFARS: Yes Manufacture Method: HOT ROLLED ANNEALED & PICKLED Diameter: 0.3750 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279
Sku: 21922 Description: 15-5 PH RD 5659 COND A 7/16 RD DFARS: Yes Manufacture Method: NOT REQUIRED Diameter: 0.4375 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279
Sku: 50337 Description: 15-5PH VAR AMS5659 .500 RD NON-DFAR DFARS: No Manufacture Method: VACUUM ARC REMELT Diameter: 0.5000 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279
Sku: 50341 Description: 15-5PH ESR AMS5659 .500 RD NON-DFAR DFARS: No Manufacture Method: ELECTRIC SLAG REMELT Diameter: 0.5000 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279
Sku: 21923 Description: 15-5PH VAC AMS5659 TYP I .500 DIA DFARS: No Manufacture Method: HOT ROLLED ANNEALED & PICKLED Diameter: 0.5000 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279
Sku: 28265 Description: 15-5 SOL HT AMS 5659 .500"DIA ROUND DFARS: No Manufacture Method: ELECTRIC SLAG REMELT Diameter: 0.5000 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279
Sku: 50418 Description: 15-5PH VAR AMS5659 .625 RD NON-DFAR DFARS: No Manufacture Method: VACUUM ARC REMELT Diameter: 0.6250 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279
Sku: 50684 Description: 15-5PH ESR AMS5659 .625 RD NON-DFAR DFARS: No Manufacture Method: ELECTRIC SLAG REMELT Diameter: 0.6250 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279
Sku: 22735 Description: 15-5PH VAC AMS5659 TYP I .625 DIA DFARS: Yes Manufacture Method: HOT ROLLED ANNEALED & PICKLED Diameter: 0.6250 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279
Sku: 50420 Description: 15-5PH VAR AMS5659 .750 RD NON-DFAR DFARS: No Manufacture Method: VACUUM ARC REMELT Diameter: 0.7500 Shape: STEEL ROD/BAR ROUND Specification: AMS5659 AS6279

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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
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

AMS 5659 Specification & 15-5PH Steel

15-5PH stainless is a highly corrosion-resistant stainless steel containing approximately 15% chromium and 5% nickel. Common AMS 5659 specifications include:

  • AMS 5659 TYPE 1
  • ASTM-A484
  • ASTM-A564
  • ASME-SA564

AMS 5659 is further differentiated by the type of heat treatment used to form it. The three types of treatment include vacuum arc remelt (Type 1), electric slag remelt (Type 2), and hot rolled anneal. Heat treatment hardens steel and adds to its tensile strength.

Benefits of AMS 5659 Steel

  • High strength: With a minimum tensile strength of 161,000 psi, AMS 5659 stainless is ideal for use in components for aerospace, oil and gas, and nuclear reactors. 

  • Exceptional hardness: 15-5PH AMS 5659 also offers superior hardness suitable for applications where wear is a concern.  

  • Corrosion resistance: AMS 5659 is highly corrosion-resistant, suitable for private and government manufacturing operations. 

  • Weldable and forgeable: Stainless steel is weldable and forgeable, making it an excellent material for gears, shafts, and valves. 

  • Versatility:15-5 PH stainless steel can be used in:

    • Metal tubing
    • Pipes
    • Rods
    • Metal sheet

Your AMS 5659 Stainless Steel Supplier

TW Metals is an ISO 9001:2015-certified stainless steel bar supplier. We carry round, hex, square, and flat bars for various industries and source materials with a customer-first mindset. We maintain over 30 stocking locations in North America, Europe, and Asia. Our AMS 5659 stainless steel is perfect for aerospace manufacturers, nuclear reactor facilities, chemical manufacturers, and oil and gas extraction and refining operations.

Trust TW Metals for 15-5Ph AMS 5659

At TW Metals, we operate with a commitment to integrity and superior customer service and stand behind all of the materials we provide. We source common and exotic metals and can help you find the right material for your operations. Request a quote for your AMS 5659 bar today.

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