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Precipitation Hardening Steel

Precipitation Hardening steels image

PRECIPITATION HARDENING STEELS

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 Martensitic or Austenitic matrix. Hardening is achieved through the addition of one or more of the elements Copper, Aluminium, Titanium, Niobium and Molybdenum.

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Our hardening steel material comes with a slew of features:
The most well known precipitation hardening steel is 17-4 PH, The name comes from the additions 17% Chromium and 4% Nickel. It also contains 4% Copper and 0.3% Niobium, 17-4 PH is also known as stainless steel grade 630.
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.
Our entire product range is available in this grade on request.

Standards
AMS5642, DIN/EN10088-3, AMS 5622 & ASTM A564

Industry applications
Oil, Gas, Power, Offshore, Chemical, Nuclear, Food Industry, Aerospace, Pulp and Paper Industry, High Pressure Pump and Valves Components, Measuring and Control, Mechanical Components and Welding applications

Heat treatment conditions
H1150, H1150D, H1150M, H1075, H1025, H925, H900 solution annealed.