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Specialty Products / Superalloys & Metals / Specialty Stainless Steels / 13-8 PH

Specialty Stainless Steels

13-8 PH

13-8 PH is a precipitation-hardening martensitic stainless used where high strength, good toughness, and reliable transverse properties are required. It is a strong choice for aerospace, defense, and high-performance shaft or fastener applications. EQI supplies 13-8 PH for precision high-strength hardware.

  • UNS S13800
  • High-strength precipitation-hardening stainless
  • Also known as: 13-8 Mo

Request a Quote for 13-8 PH

To get started, request a quote using the form below and we will get back to you. Please note that the quantity needed to quote or supply a specific alloy grade is typically 500-1,000 lbs, depending on the material.

Key Properties

  • Very high strength with good toughness
  • Good transverse mechanical properties
  • Useful corrosion resistance for a PH stainless
  • Strong fit for aerospace and defense hardware
  • Good performance in shafts, fasteners, and structural parts

Composition

Chromium 12.25-13.25
Nickel 7.5-8.5
Aluminum 0.9-1.35
Iron Balance
Molybdenum 2.0-2.5
Carbon 0.05 max

Applications

Common industries and end-use applications include Food & Beverage Processing, Industrial Equipment & Machinery, and Medical & Life Sciences.

  • Aircraft landing and structural hardware
  • Fasteners and shafts
  • Valve components
  • Defense and energy hardware
  • High-strength precision machined parts

Request a Quote

Whether you're sourcing raw material or need a manufactured component produced from a specialty alloy, the EQI team can help.

Why Choose EQI

Your Single Source for Specialty Alloys and Precision Manufacturing

EQI combines specialty alloy sourcing with manufacturing expertise, allowing customers to move from raw material supply to finished components through a single partner.

Our team supports OEMs and manufacturers by sourcing difficult-to-procure alloys and producing components for demanding applications.

Key Advantages

  • Global sourcing and foundry partnerships
  • Expertise in high-temperature and high-performance alloys
  • Precision machining and finished component manufacturing
  • Reliable lead times and consistent quality
  • Inventory management and just-in-time delivery programs
  • Engineering support for complex alloy applications