13 8 PH Stainless Steel Supplier

13-8 PH is stainless steel with high hardness, great toughness, and corrosion resistance. What makes 13-8 truly stand out is its martensitic and precipitation hardening qualities. In shorthand, this means that the chemical composition of the metal is what accounts for its high durability especially in the circumstances such as aerospace and nautical environments. Stainless Shapes is a trusted 13 8 PH Stainless Steel supplier. Browse our available shapes and conditions below!

13 8 PH Availability

Shapes

Conditions

  • H 950
  • H 1000
  • H 1050
  • H 1100
  • H 1150
  • H 1150 M

Key Features of 13-8 PH

13 8 PHMartensitic – Martensitic stainless steel is one of the three types of stainless steel, the other two being austenitic and ferritic. Martensitic means that they are high in hardness and toughness and are usually used in medical tools, aerospace components, and nuclear and petrol industries. These are extremely important because of their ability to be tested in a non-destructive manner with the magnetic particle inspection.

Precipitation Hardening – Precipitation hardening is most important during the shaping phase of stainless steel. What this means is that at a high temperature, it can retain its hardness for much longer and find it is shaping more easily. This makes 13-8 PH an invaluable addition to aerospace, chemical, and nautical industries seeking verifiable safety.

Common Uses – Unlike 304 and 316, which can be used in every circumstance, 13-8 PH is best used in particular circumstances that play to its special strengths.

  • Aircraft – The steel’s ability to remain strong in high temperatures makes it vital for airplane components. Commonly used in Aerospace components, landing gears, and exterior aspects of the craft.
  • Nuclear Reactors – High corrosion resistance and the precipitation hardening make 13-8 PH a must-have for the formation of nuclear reactors.
  • Petrochemical Industry – For similar reasons to nuclear reactors, their ability to withstand many temperature variances, as well as high corrosion resistance, can be a game-changer for any oil rig.

Not Sure What You’re Looking For? Call us today at (800) 748-9811

Furthermore, for a prompt and accurate quote, call us today.

Call - 800-748-9811

Frequently Asked Questions

In stainless steel designations, PH stands for precipitation hardening. This describes a heat treatment where the alloy is solution-annealed, then aged at a specific temperature to precipitate fine particles in the microstructure, dramatically increasing strength and hardness beyond what austenitic or ferritic grades can achieve.

Yes, 13-8 PH (UNS S13800) is a martensitic precipitation-hardening stainless steel. Its designation reflects its nominal composition of approximately 13% chromium and 8% nickel, with aluminum and molybdenum additions. It is one of the highest-strength stainless steel grades commercially available.

Yes, 15-5 PH significantly outperforms 304 in mechanical strength -- 15-5 PH in H900 condition achieves 190 ksi tensile versus 304s typical 75-90 ksi. However, 304 has better corrosion resistance in aggressive chloride or chemical environments.

13-8 PH is used in aerospace structural components, landing gear parts, slat tracks, rocket motor cases, nuclear waste containment, chemical processing equipment requiring both high strength and corrosion resistance, and precision mechanical parts in defense and industrial applications.

In the H950 condition: approximately 220 ksi tensile, 205 ksi yield, 43-47 HRC. H1000: ~205 ksi tensile. H1050: ~175 ksi tensile. H1100: ~150 ksi tensile. 13-8 PH achieves higher strength than 17-4 PH or 15-5 PH in equivalent aging conditions due to its aluminum and molybdenum additions.

Yes, 13-8 PH machines well in the annealed (Condition A) state. After aging, machining with carbide tooling and proper speeds and feeds is standard practice. Parts are typically rough-machined before aging to the final condition.

Yes, 13-8 PH can be welded using TIG with compatible filler. However, welding precipitation-hardening grades requires careful procedure control to prevent heat-affected zone cracking. Post-weld solution anneal and re-aging is recommended.

Both are martensitic PH grades, but 13-8 PH has higher aluminum (0.90-1.35% Al) and molybdenum (2.0-2.5% Mo) versus 17-4 PH (3.5-4.5% Cu, 0.15-0.45% Nb). This gives 13-8 PH higher strength, better toughness, and better resistance to stress corrosion cracking in high-humidity environments.

13-8 PH is available in H950, H1000, H1025, H1050, H1075, H1100, and H1150 conditions. H950 provides maximum strength; higher aging temperatures reduce strength while improving toughness and ductility.

Yes, Stainless Shapes distributes 13-8 PH bar and plate in standard H conditions. Full material certifications (CMTRs) per AMS 5629 or equivalent are provided with every order. Contact 800-748-9811 for current inventory and quoting.

Call Now Button