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15-5 PH

Home ALLOY STEELS 15-5 PH

15 – 5 PH STAINLESS STEEL | UNS S15500 | XM-12 ROUND BAR STOCKIEST, SUPPLIER, TRADER, DEALER, EXPORTER

XM-12 | UNS S15500 | DIN 1.4545 | 15-5 PH


15-5 PH STAINLESS STEEL BAR Stockiest, Supplier, Trader, Dealer, Exporter.

XM-12 STEEL ROUND BAR Stockiest, Supplier, Trader, Dealer, Exporter.

STAINLESS STEEL 15-5PH ROUND BAR Stockiest, Supplier, Trader, Dealer, Exporter.

15-5 PH 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.

15-5PH is a stainless steel offering high strength and hardness with excellent corrosion resistance. 15-5 PH can be age-hardened by a low temperature treatment.15-5 PH has been used for applications for requiring high strength and toughness, such as valve parts, fitting, and fasteners, gears, engine parts, paper mill equipment, and aircraft components. 

Precipitation hardening stainless steels are chromium and nickel containing steels that provide an optimum combination of the properties of martensitic and austenitic grades. Like martensitic grades, they are known for their ability to gain high strength through heat treatment and they also have the corrosion resistance of austenitic stainless steel. 

The high tensile strengths of precipitation hardening stainless steels come after a heat treatment process that leads to precipitation hardening of a martensitic or austenitic matrix. Hardening is achieved through the addition of one or more of the elements Copper, Aluminium, Titanium, Niobium, and Molybdenum.

The advantage of precipitation hardening steels is that they can be supplied in a “solution treated” condition, which is readily machinable. After machining or another fabrication method, a single, low temperature heat treatment can be applied to increase the strength of the steel. This is known as ageing or age-hardening. As it is carried out at low temperature, the component undergoes no distortion.

15-5 PH is also referred to as XM-12 in some specifications.


Strength of 15-5 PH :
Yield strengths for precipitation-hardening stainless steels are 515 to 1415 MPa. Tensile strengths range from 860 to 1520 Mpa. Elongations are 1 to 25%. Cold working before ageing can be used to facilitate even higher strengths.

 

Common Trade Names :

15-5 Stainless, 15-5 PH

 

Alloy Designations of 15-5 PH :

  • 15/5 PH
  • UNS S15500
  • AMS 5659
  • Din 1.4545
  • XM-12

 

Supplied Forms of 15-5 PH :

This is a bar specification, typically available in round and hexagon

  • Bar

 

Features of 15-5 PH Round Bar :

  • Precipitation Hardening
  • High Strength
  • Moderate corrosion resistance to 600°F

 

Applications of 15-5 PH Round Bar :

Due to the high strength of precipitation hardening stainless steels, most applications are in aerospace and other high-technology industries.

Applications include:

  • Gears
  • Valves and other engine components
  • High strength shafts
  • Turbine blades
  • Moulding dies
  • Nuclear waste casks
  • Aerospace applications
  • Chemical and petrochemical applications
  • Pulp and paper
  • Food processing
  • Aircraft components
  • High pressure corrosive fabricated parts such as valves
  • Shafts
  • Fasteners
  • Fittings and gears
  • Marine gas turbine compressor sections
  • Hallow shafts
  • Paper mill equipment
  • Engine parts
  • Nuclear reactor components

               

Corrosion Resistance of 15-5 PH :

Precipitation hardening stainless steels have moderate to good corrosion resistance in a range of environments. They have a better combination of strength and corrosion resistance than when compared with the heat treatable 400 series martensitic alloys. Corrosion resistance is similar to that found in grade 304 stainless steel.

 

Fabrication of 15-5 PH :

This grade has good forming characteristics

 

Machinability of 15-5 PH :

This grade has reasonable machinability

 

Weldability of 15-5 PH :

Precipitation hardening steels can be readily welded using procedures similar to those used for the 300 series of stainless steels.

 

Backed by Industry Standards

UNS S15500, AMS 5659, ASTM A564, AMS 5862J Type 2, ASME SA 564, ASME SA 693, ASME SA 705, ASTM A 564, ASTM A 693, ASTM A 698, ASTM A 705, ASTM-A564 (XM-12), BAC 5439 Rev H Class A Type1, BMS 7-240 (Boeing), BSS7055 Rev A, STD 2154, UNS S15500, W. Nr./EN 1.4545