Description

Introduction: 
Martensitic and precipitation hardening stainless steels are heat treatable and can therefore provide hardness and strength in a wide range. Allowing to workability they are supplied in solution annealed condition. The downstream manufacturer performs final heat treatment to meet the mechanical properties required. 
Martensitic grades are basically Fe-Cr alloys with a higher carbon content than ferritics which enables them to harden on cooling in air, oil or water. Depending on grade and intended use, ductility is improved by tempering. 
Martensitic PH steels are used in aerospace, chemical and petrochemical, and food processing applications.
Applications include: 
- Gears 
- Valves and other engine components 
- High strength shafts 
- Turbine blades 
- Moulding dies 
- Nuclear waste casks 
Precipitation hardening stainless steels have many advantages, due to their chromium and nickel content, such as : 
- Ability to gain high strength through heat treatment 
- Corrosion resistance 
- High tensile strengths 
- Can be supplied in a "solution treated" condition, which is readily machinable 
- Can be age-hardening, so material undergoes no distortion 

These are ***4PH (Grade UNS S****0), ***5PH (Grade UNS S****0), PH ***8Mo (Grade UNS S****0), ***7PH (Grade UNS S****0) and PH ***7Mo (Grade UNS S****0).

Note: we could do any other products with specified technical standard, say, ASTM,SAE,DIN,S.E.W.,JIS,ISO,IEC,NF,BS,ROCT.PLS contact us for more information.

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