Martensitic stainless steels are a class of stainless steels known for their high strength, hardness, and wear resistance. They contain higher carbon content compared to other stainless steel types, typically alloyed with chromium and sometimes nickel. This composition allows them to be heat-treated to achieve a martensitic crystal structure, resulting in exceptional mechanical properties.
PRODUCT LIST
{{ total }} products / show
Products by Page
{{ total }} products / show
Products by Page
Martensitic Stainless Steel Powder Description
Martensitic Stainless Steels Powder represents the stainless steels which, because of their microstructure, are classed as martensitic. The major components of their composition are iron and chromium; other alloying elements include carbon and, in some cases, nickel. Upon heat treatment, Martensitic stainless steels undergo a transformation from Austenite to martensite, thus taking on the characteristic mechanical properties typical for this class of steels.
Martensitic Stainless Steel Powder Grade List
|
Grade
|
UNS Number
|
Description
|
Common Applications
|
|
410
|
S41000
|
Basic martensitic stainless steel with good corrosion resistance and hardness after heat treatment.
|
Cutlery, steam and gas turbine blades, fasteners
|
|
416
|
S41600
|
Free-machining version of grade 410 with added sulfur for improved machinability.
|
Valve components, pump shafts, motor shafts, bolts
|
|
420
|
S42000
|
Higher carbon content than 410, offering increased hardness and wear resistance.
|
Surgical instruments, cutlery, needle valves, shear blades
|
|
431
|
S43100
|
High strength and moderate corrosion resistance; higher chromium content.
|
Aerospace components, bolts, nuts, shafts, pump parts
|
|
440A
|
S44002
|
High carbon martensitic grade, with good balance of hardness and corrosion resistance.
|
Knife blades, surgical tools, bearings
|
|
440B
|
S44003
|
Similar to 440A but with slightly higher carbon content for greater hardness.
|
Cutting tools, chisels, dental and surgical instruments
|
|
440C
|
S44004
|
Highest carbon content of all 440 grades, offering maximum hardness and wear resistance.
|
Ball bearings, valve components, measuring instruments
|
|
420F
|
S42020
|
Free-machining variant of 420, with sulfur for better machinability and reduced corrosion resistance.
|
Precision machining components, screws, bolts
|
|
403
|
S40300
|
Lower carbon content, providing good weldability and moderate strength.
|
Steam and gas turbine components, bolts, nuts, screws
|
Martensitic Stainless Steel Powder Features and Benefits
- Excellent Strength: Martensitic Stainless steel powder shows excellent strength and hardness, thus making it perfect for applications requiring high mechanical properties. They also have excellent tensile strength; hence, they can support massive loads with high resistance to deformation.
- Hardness and Wear Resistance: Martensitic Stainless steel has a high hardness that gives it wear resistance. This particular property makes them perfect for those applications that are exposed in the presence of abrasive environments, such as cutting tools, bearings, and worn components.
- Corrosion Resistance: Generally resistant in many types of environments to corrosion, provided they are correctly heat-treated and passivated. Generally less resistant than austenitic or ferritic stainless steels, they do offer favorable resistance in the handling of several particular chemicals, oils, and mild atmospheres.
- Heat treatability: Martensitic Stainless steel is renowned for its heat treatment potential, by which mechanical properties can be optimized. The grade can be subjected to quenching and tempering heat treatment operations to attain desired hardness, strength, and toughness properties that would best suit specific application requirements.
- Versatility of Applications: Martensitic Stainless steels find applications in such industries as aerospace, automotive, cutlery, tooling, and petrochemical. They are used in components such as turbine blades, surgical instruments, gears, shafts, and valve parts, where strength, hardness, and wear resistance are needed.
Martensitic Stainless Steel Powder Applications
Martensitic Stainless steel represents a class of materials with very wide applications in many industries. Some important fields of application include:
- Aerospace and Automotive: Martensitic Stainless Steels find widespread application in the aerospace and automotive industries due to their immense strength and hardness. They are thus used in highly critical components such as turbine blades, valve parts, transmission gears, etc., where reliability and performance matter.
- Cutlery and Kitchenware: Martensitic Stainless Steels find their usage in cutlery and kitchenware applications, which surely require reasonably high hardness with wear resistance. They offer sharp cutting edges, resistance to discoloration, and maintain sharpness over a long time.
- Tooling/Industrial Equipment: Resistance to wear in martensitic stainless steels extends their use into tooling and industrial equipment such as dies, molds, and wear parts. The good hardness levels combined with their resistance to wear make these alloys useful in machining, stamping, and forming operations.
- Petrochemical Industry: Martensitic Stainless steel is also used in the petrochemical industry in the manufacture of components such as pumps, valves, and shafts. The strength, hardness, and corrosion resistance are good enough for handling corrosive fluids and gases.
Unlock the Potential with Martensitic Stainless Steel Powder
Martensitic Stainless steel empowers industries to harness the power of exceptional strength, hardness, and wear resistance. Their unique properties make them invaluable resources for high-performance applications. Whether you're in aerospace, automotive, cutlery, tooling, or petrochemical industries, Martensitic Stainless steel is your key to unlocking new levels of durability and performance.
Experience the strength of Martensitic Stainless Steel. Contact us today to explore the endless possibilities this exceptional material offers and elevate your products to new heights of durability and wear resistance.
