17-4 ph Stainless Steel Bar

17-4 is a chromium-nickel-copper precipitation hardening stainless steel used for applications requiring high strength and moderate level of corrosion resistance.

Applications:

  • Aircraft and gas turbines
  • Nuclear reactor
  • Paper mills
  • Oil Fields
  • Chemical process components
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SKU Description DFARS Manufacture Method Diameter Shape Specification
Sku: 71421 Description: 17-4PH BAR AMS 5643 .250 X 1 DFARS: No Manufacture Method: HOT ROLLED ANNEALED & PICKLED Diameter: 0.2500 Shape: STEEL BAR RECTANGULAR Specification: AMS5643 AS6279
Sku: 89560 Description: 17-4PH BAR AMS 5643 .250 X 2.500 DFARS: No Manufacture Method: HOT ROLLED ANNEALED & PICKLED Diameter: 0.2500 Shape: STEEL BAR RECTANGULAR Specification: AMS5643 AS6279
Sku: 12045 Description: 17-4PH CF AMS5643 .250" DIA DFARS: Yes Manufacture Method: Air Melt Diameter: 0.2500 Shape: STEEL ROD/BAR ROUND Specification: AMS5643 ASTM A564
Sku: 74994 Description: 17-4PH BAR AMS 5643 .375 X 1 DFARS: No Manufacture Method: HOT ROLLED ANNEALED & PICKLED Diameter: 0.3750 Shape: STEEL BAR RECTANGULAR Specification: AMS5643 AS6279
Sku: A3593 Description: 17-4PH BAR AMS 5643 .375 x 6.00 DFARS: No Manufacture Method: HOT ROLLED ANNEALED & PICKLED Diameter: 0.3750 Shape: STEEL BAR RECTANGULAR Specification: AMS5643 AS6279
Sku: 12046 Description: 17-4PH CF AMS 5643 .375" DIA DFARS: Yes Manufacture Method: Air Melt Diameter: 0.3750 Shape: STEEL ROD/BAR ROUND Specification: AMS5643 ASTM A564
Sku: 80926 Description: 17-4PH CF COND A .4375 DIA DFARS: Yes Manufacture Method: Air Melt Diameter: 0.4375 Shape: STEEL ROD/BAR ROUND Specification: AMS5643 ASTM A564
Sku: 78446 Description: 17-4PH SOL HT CNTRLS GRD .500 DIA DFARS: No Manufacture Method: Air Melt Diameter: 0.5000 Shape: STEEL ROD/BAR ROUND Specification: AMS5643 AS6279
Sku: 89561 Description: 17-4PH BAR AMS 5643 .500 X 1.000 DFARS: No Manufacture Method: HOT ROLLED ANNEALED & PICKLED Diameter: 0.5000 Shape: STEEL BAR RECTANGULAR Specification: AMS5643 AS6279
Sku: A3594 Description: 17-4PH BAR AMS 5643 .500 x 6.00 DFARS: No Manufacture Method: HOT ROLLED ANNEALED & PICKLED Diameter: 0.5000 Shape: STEEL BAR RECTANGULAR Specification: AMS5643 AS6279

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Typical Chemical Requirements
17-4 PH Stainless Steel Condition A (annealed)
Minimum Properties
Ultimate Tensile Strength, psi 160,000
Yield Strength, psi 145,000
Elongation 5%
Rockwell Hardness C35
Chemistry
Iron (Fe) 69.91 - 78.85%
Carbon (C) 0.07% max
Chrome (Cr) 15 - 17.5%
Manganese (Mn) 1% max
Niobium (Nb) + Tantalum (Ta) 0.15 - 0.45% max
Nickel (Ni) 3 - 5%
Phosphorus (P) 0.04% max
Sulphur (S) 0.03% min
Silicon (Si) 1% max

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