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15-5 PH stainless steel is a martensitic precipitation-hardening stainless steel with approximately 15% Chromium and 5% Nickel. It has high strength, high hardness, and excellent corrosion resistance. Strength can be further increased by a single low temperature heat treatment. Compared to 17-4 PH, it offers better transverse toughness and ductility; better mechanical properties in larger cross-sections, and better forgeability. It is readily weldable. It can be machined in any of the several Thermal Conditions available to this grade.
Service Steel Aerospace is one of the largest distributors / suppliers of 15-5 PH Stainless Steel available in several forms including stainless steel round bar, flat bar, and square bar as well as stainless steel plate, sheet, block, and billet. See below for product size ranges stocked.
Chemical composition of 15-5PH(UNS S15500）
Cr | 14.0-15.50 |
Ni | 3.50-5.50 |
Mn | 1.00max |
C | 0.07max |
Si | 1.0max |
P | 0.03max |
S | MAX0.02 |
Material | Tensile strength | Yield strength | Elongation | Hardness BRINELL |
15-5PH | 930-1310MPA | 700-1170MPA | 10-16% | 277-444HB |
Weldability
Precipitation hardening steels can be readily welded using procedures similar to those used for the 300 series of stainless steels.
Heat Treatment
The key to the properties of precipitation hardening stainless steels lies in heat treatment.
After solution treatment or annealing of precipitation hardening stainless steels, a single low temperature “age hardening” stage is employed to achieve the required properties. As this treatment is carried out at a low temperature, no distortion occurs and there is only superficial discolouration. During the hardening process a slight decrease in size takes place. This shrinking is approximately 0.05% for condition H900 and 0.10% for H1150.
Typical mechanical properties achieved for 15-5 PH after solution treating and age hardening are given in the table on the attached page.
Our services
We can cut and bend steel plate according to customer's requriement or drawing,
packaging according to customers' request.
Application
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
15-5 PH stainless steel is a martensitic precipitation-hardening stainless steel with approximately 15% Chromium and 5% Nickel. It has high strength, high hardness, and excellent corrosion resistance. Strength can be further increased by a single low temperature heat treatment. Compared to 17-4 PH, it offers better transverse toughness and ductility; better mechanical properties in larger cross-sections, and better forgeability. It is readily weldable. It can be machined in any of the several Thermal Conditions available to this grade.
Service Steel Aerospace is one of the largest distributors / suppliers of 15-5 PH Stainless Steel available in several forms including stainless steel round bar, flat bar, and square bar as well as stainless steel plate, sheet, block, and billet. See below for product size ranges stocked.
Chemical composition of 15-5PH(UNS S15500）
Cr | 14.0-15.50 |
Ni | 3.50-5.50 |
Mn | 1.00max |
C | 0.07max |
Si | 1.0max |
P | 0.03max |
S | MAX0.02 |
Material | Tensile strength | Yield strength | Elongation | Hardness BRINELL |
15-5PH | 930-1310MPA | 700-1170MPA | 10-16% | 277-444HB |
Weldability
Precipitation hardening steels can be readily welded using procedures similar to those used for the 300 series of stainless steels.
Heat Treatment
The key to the properties of precipitation hardening stainless steels lies in heat treatment.
After solution treatment or annealing of precipitation hardening stainless steels, a single low temperature “age hardening” stage is employed to achieve the required properties. As this treatment is carried out at a low temperature, no distortion occurs and there is only superficial discolouration. During the hardening process a slight decrease in size takes place. This shrinking is approximately 0.05% for condition H900 and 0.10% for H1150.
Typical mechanical properties achieved for 15-5 PH after solution treating and age hardening are given in the table on the attached page.
Our services
We can cut and bend steel plate according to customer's requriement or drawing,
packaging according to customers' request.
Application
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
