Grades

Universal Stainless produces semi-finished and finished specialty steel long products and plate, including nickel alloy, stainless steel, tool steel and aircraft quality low alloy steels, in a wide variety of grades and product forms.  You can find more detail about the specific grades we produce below.

Grade Description Product Forms Melt Types

13-8

A precipitation hardened martensitic stainless steel alloy that offers good corrosion resistance and excellent strength.

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  • VIM+VAR

15-5

A precipitation hardened martensitic stainless steel alloy that is melted in AOD+VAR, AOD+ESR, or VIM+VAR melt type.

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  • AOD+ESR
  • AOD+VAR
  • VIM+VAR

17-4

A precipitation hardened martensitic stainless steel alloy that offers good corrosion resistance and excellent strength. PH17-4 is one of the most common PH stainless steels and is used in a wide variety of markets.

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  • AOD
  • AOD+ESR
  • AOD+VAR

17-7

A precipitation hardened stainless steel alloy that offers high strength, good corrosion resistance, and excellent fatigue strength and excellent strength.

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  • AOD

300M Low Alloy Steel

300M is a modified 4340 high strength low alloy steel that is melted as AOD + VAR with higher strength and toughness than 4340.

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  • AOD+VAR

303SE Stainless Steel

An austenitic stainless steel melted as AOD melt type with a selenium addition for excellent machinability.

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  • AOD

304L Stainless Steel

A fully austenitic stainless steel melted as AOD, AOD + VAR, or VIM + VAR melt type.

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  • AOD
  • AOD+VAR
  • VIM+VAR

316L Stainless Steel

A fully austenitic stainless steel melted as AOD, AOD + VAR, or VIM + VAR melt type with added Mo for pitting resistance

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  • AOD
  • AOD+VAR
  • VIM+VAR

321 Stainless Steel

A fully austenitic stainless steel melted as AOD melt type and stabilized by titanium to prevent intergranular corrosion

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  • AOD

330 Stainless Steel

A fully austenitic nickel-iron-chromium alloy melted as AOD melt type and has very high resistance to oxidation and carburization at high temperatures

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  • AOD

347 Stainless Steel

A fully austenitic stainless steel melted as AOD melt type and stabilized by niobium to prevent intergranular corrosion

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  • AOD

410 Stainless Steel

A martensitic stainless steel alloy that is melted as AOD, AOD + VAR, or AOD + ESR melt type and used where good corrosion resistance, strength, and ductility are required.

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  • AOD
  • AOD+ESR
  • AOD+VAR

410CB Stainless Steel

A martensitic stainless steel alloy that is melted as AOD + ESR melt type and has increased properties from 410 by an addition of columbium.

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  • AOD+ESR

416 Stainless Steel

A martensitic stainless steel that is AOD melted and has a sulfur addition to improve machinability as compared to 410

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  • AOD

420 Stainless Steel

A martensitic high carbon stainless steel that is AOD or AOD + ESR melted and possesses high hardness in the heat treated condition.

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  • AOD
  • AOD+ESR

420F Stainless Steel

A free machining version of 420 martensitic high carbon stainless steel that is AOD melted.

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  • AOD

422 Stainless Steel

A hardenable martensitic stainless steel melted as AOD + ESR and has better strength at higher temperatures than a traditional 410 stainless

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  • AOD+ESR

430 Stainless Steel

A fully ferritic, non-hardenable, straight chromium alloy melted as AOD with good corrosion resistance and formability

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  • AOD

430F Stainless Steel

A fully ferritic, non-hardenable, straight chromium alloy melted as AOD free machining version of 430 stainless

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  • AOD

431 Stainless Steel

A martensitic stainless steel that is AOD melted with excellent corrosion resistance and heat treatable to high strengths.

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  • AOD

4330M Low Alloy Steel

A low alloy high strength steel melted as AOD + VAR with added vanadium for excellent impact properties

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  • AOD+VAR

4340 Low Alloy Steel

A low alloy steel with ultra high strength melted as AOD + VAR or VIM + VAR product with excellent transverse properties

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  • AOD+VAR
  • VIM+VAR

4343 Low Alloy Steel

A low alloy steel with ultra high strength melted as VIM + VAR product with excellent transverse properties and slightly higher carbon than 4340

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  • VIM+VAR

440A Stainless Steel

A high carbon martensitic stainless steel that is AOD melted and can be heat treated to extremely high hardnesses

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  • AOD

440C Stainless Steel

A high carbon martensitic stainless steel that is AOD or AOD + ESR melted and can be heat treated to the highest hardness of any martensitic stainless alloy

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  • AOD
  • AOD+ESR

440FSE Stainless Steel

A free machining high carbon martensitic stainless steel that is AOD melted and heat treatable to elevated hardnesses

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  • AOD

446 Stainless Steel

A fully ferritic, non-hardenable, alloy melted as AOD with good resistance to oxidation and corrosion at high temperatures

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  • AOD

4620 Low Alloy Steel

A nickel, molybdenum, manganese low alloy steel that is melted as AOD + VAR melt type

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  • AOD+VAR

52100 Low Alloy Steel

A high carbon low alloy steel with ultra high strength melted as AOD + VAR or VIM + VAR product with excellent wear resistance

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  • AOD+VAR
  • VIM+VAR

6150 Low Alloy Steel

Carbon chromium low alloy steel melted as AOD + VAR with highly abrasive resistance properties

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  • AOD+VAR

9310 Low Alloy Steel

A nickel-chrome-molybdenum low alloy steel melted as AOD + VAR or VIM + VAR with good strength and toughness properties

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  • AOD+VAR
  • VIM+VAR

A2 Tool Steel

An AOD melted air-hardened tool steel with good toughness and excellent dimensional control after heat treatment.

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  • AOD

A286 Stainless Steel

An austenitic age-hardenable iron based superalloy melted as AOD + ESR, AOD + VAR, or VIM + VAR.

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  • AOD+ESR
  • AOD+VAR
  • VIM+VAR

A6 Tool Steel

An AOD air hardened tool steel that has the ability of a low temperature heat treatment.

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  • AOD

A675 Stainless Steel

A675 is a stainless steel melted as VIM + VAR melt type and is often used in bearings and gearings.

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  • VIM+VAR

Alloy 450

A precipitation hardened martensitic stainless steel alloy with improved transverse propeties that is melted in AOD+ESR melt type.

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  • AOD+ESR

Alloy 455

A precipitation hardened martensitic stainless steel alloy with improved transverse properties that is melted in VIM + VAR melt type.

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  • VIM+VAR

Chipper Knife

An AOD melted air hardened tool steel with above average wear resistance and toughness.

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  • AOD

CrV Stainless Steel

A low alloy steel melted as VIM + VAR melt type and comprised of primarily Chromium and Vanadium.

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  • VIM+VAR

D2 Tool Steel

An AOD melted cold work, high carbon, high chromium tool steel with excellent hardenability.

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  • AOD

D6AC Low Alloy Steel

A medium carbon low alloy steel melted as AOD + VAR with ultra high strength properties

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  • AOD+VAR

FV535 Stainless Steel

A hardenable martensitic stainless steel melted as AOD + ESR and has better strength at higher temperatures than a traditional 410 stainless

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  • AOD+ESR

Greek Ascoloy Stainless Steel

A hardenable martensitic stainless steel melted as AOD + ESR and has better strength at higher temperatures than a traditional 410 stainless

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  • AOD+ESR

H11 Tool Steel

An AOD + VAR melted hot work tool steel with low carbon and good toughness.

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  • AOD+VAR

H13 Tool Steel

An AOD or AOD ESR melted hot work, chromium tool steel that has good resistance to softening at higher temperatures.

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  • AOD

H46 (403CB+) Stainless Steel

A hardenable martensitic stainless steel melted as AOD + ESR and has better strength at higher temperatures than a traditional 410 stainless

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  • AOD+ESR

HP9430 Low Alloy Steel

A low alloy steel melted as AOD + VAR with nickel and cobalt additions to increase toughness

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  • AOD+VAR

Hytuf Low Alloy Steel

A high strength low alloy melted as AOD + VAR with good ductility and fracture toughness

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  • AOD+VAR

Jethete Stainless Steel

A hardenable martensitic stainless steel melted as AOD + ESR or AOD + VAR and has better strength at higher temperatures than a traditional 410 stainless

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  • AOD+ESR
  • AOD+VAR

L6 Tool Steel

An AOD melted high oil hardened tool steel with good toughness.

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  • AOD

M2 Tool Steel

An AOD melted high speed tool steel with increased properties due to molybdenum additions.

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  • AOD

M50 Tool Steel

A high speed tool steel that is AOD + ESR, AOD + VAR, or VIM + VAR melted and has extremely high wear resistance.

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  • AOD+ESR
  • AOD+VAR
  • VIM+VAR

M50NIL Bearing Steel

A high speed tool steel that is VIM + VAR melted and has extremely high wear resistance and good toughness

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  • VIM+VAR

Maraging 250

An age hardenable iron-nickel steel alloy melted as VIM + VAR with ultra high strength and toughness.

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  • VIM+VAR

Maraging 300

An age hardenable iron-nickel steel alloy melted as VIM + VAR with ultra high strength and toughness.

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  • VIM+VAR

N135M Low Alloy Steel

A low alloy steel melted as AOD + VAR and capable of nitriding to a high case hardness

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  • AOD+VAR

N32 Stainless Steel

An austenitic stainless steel melted as AOD melt type with special alloying to have roughly twice the strength of 304 stainless.

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  • AOD

N33 Stainless Steel

N33 is an austenitic nitrogen strengthened stainless steel melted as AOD + ESR melt type

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  • AOD+ESR

N40 Stainless Steel

A high manganese, high nitrogen, austenitic stainless steel melted as AOD or AOD + ESR melt type.

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  • AOD
  • AOD+ESR

N50 Stainless Steel

A high nitrogen austenitic stainless steel melted as AOD melt type with higher strength and corrosion levels than 316L

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  • AOD

N60 Stainless Steel

A high nitrogen austenitic stainless steel melted as AOD melt type with better pitting resistance than 316L

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  • AOD

Nitriding N Low Alloy Steel

a low alloy age hardenable nitriding steel that is melted as AOD + VAR melt type.

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  • AOD+VAR

O1 Tool Steel

An AOD melted oil hardened tool steel that can reach up to 65 rockwell C in hardness

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  • AOD

O6 Tool Steel

An AOD melted oil hardened tool steel used for applications requiring cold work

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  • AOD

S7 Tool Steel

An AOD melted shock resisting tool steel with excellent hardenability and impact properties.

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  • AOD

X53 Low Alloy Steel

A low alloy carburizing steel melted as VIM + VAR with good temper resistance and impact strength

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  • VIM+VAR

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