Stainless Steels

  • RA 253 MA®

    An advanced micro-alloyed austenitic heat resistant alloy. High creep-rupture strength and outstanding oxidation resistance through 2000°F.
     CrNiSiCMnPSNCeFe
    MIN 20.00 10.00 1.40 0.05 -- -- -- 0.14 0.03 Balance
    MAX 22.00 12.00 2.00 0.10 0.80 0.04 0.03 0.20 0.08  
  • 309

    Austenitic, oxidation resistant to 1900°F, moderate strength. Useful in reducing sulfidizing atmospheres.
     CrNiCPSMnFe
    MIN 22.0 12.0 - - - - -
    MAX 24.0 15.0 0.08 0.045 0.03 2.0 Balance
  • 310

    Austenitic heat resistant grade with higher chromium and nickel for oxidation resistance beyond 2000°F. Good sulfidation and hot corrosion resistance.
     CrNiCSiMnPSMoCuFe
    MIN 24.0 19.0 - - - - - - - -
    MAX 26.0 22.0 0.08 0.75* 2.0 0.045 0.03 0.75 0.5 Balance

    * ASTM specification 1.50 max Si.

  • 321

    A titanium stabilized austenitic stainless commonly used for service in the 1000- 1600°F range.
     CrNiMoCuTiCMnSiPSNFe
    MIN 17.0 9.0 - - 5x(C+N) - - 0.25 - - - -
    MAX 19.0 12.0 0.75 0.75 0.7 0.08 2.0 1.0 0.04 0.03 0.1 Balance
  • 347

    A columbium stabilized austenitic stainless useful up to 1600°F.
     CrNiCb + TaCSiMnPSFe
    MIN 17.0 9.0 Cb 10xc
    (Cb 8xC)
    0.04 - -   - -
    MAX 19.0 13.0 1.0 0.08 0.75 2.0 0.045 0.03 Balance
  • 17-4

    Age-hardening martensitic stainless. Good strength and corrosion resistance. Simple heat treatment.
     NiCrMoMnCuSiCCb+TaSPFe
    MIN 3.0 15.0 - - 3.0 - - 5 x C - - -
    MAX 5.0 17.5 0.50 1.0 5.0 1.0 0.07 0.45 0.03 0.04 Balance
  • 17-4 H1150


     NiCrMoMnCuSiCCb+TaSPFe
    MIN 3.0 15.0 - - 3.0 - - 5 x C - - -
    MAX 5.0 17.5 0.05 1.0 4.0 1.0 0.07 0.45 0.03* 0.04* Balance

    *0.025 max, AMS 5622

  • 17-4 HH1150


     NiCrMoMnCuSiCCb+TaSPFe
    MIN 3.0 15.0 - - 3.0 - - 5 x C - - -
    MAX 5.0 17.5 0.05 1.0 4.0 1.0 0.07 0.45 0.03* 0.04* Balance

    *0.025 max, AMS 5622

  • A-286

    Precipitation hardenable iron base alloy for continuous use from -320 to 1000°F. Aqueous corrosion resistance similar to 316L stainless. Used for jet engine components, high temperature fasteners and springs. Also used for non-magnetic cryogenic equipment.
     CrNiMoCoVaAlTiBCFeMnSiPS
    MIN 13.5 24.0 1.0 - 0.1 - 1.9 0.003 - - - - - -
    MAX 16.0 27.0 1.5 1.0 0.5 0.35 2.35 0.01 0.08 Balance 2.0 1.0 0.025 0.025
  • 304 / 304H

    18-8 stainless with elevated carbon and coarser grain structure to increase high temperature strength. Useful up to 1500°F.
     CrNiCMnSiPSFe
    MIN 18.0 8.0 0.04 - - - - -
    MAX 20.0 10.5 0.10 2.0 0.75 0.04 0.03 Balance
  • 303 HST

    303 HST is a version of 303 which through controlled production offers more consistent machinability than standard 303.
     NiCrMnSiCSPFe
    MIN 8.0 17.0 - - - 0.15 - -
    MAX 10.0 19.0 2.0 1.0 0.15 - 0.2 Balance
  • 304 / 304L

    Austenitic stainless, low carbon for as-welded corrosion resistance.
     NiCrMnSiCSPNFe
    MIN 8.0 18.0 - - - - - - -
    MAX 10.5 20.0 2.0 0.75 0.03 0.03 0.045 0.10 Balance
  • 316 / 316L

    Molybdenum alloyed austenitic stainless. Most popular chemical process grade.
     NiCrMoMnSiCSPNFe
    MIN 10.0 16.0 2.0 - - - - - - -
    MAX 14.0 18.0 3.0 2.0 0.75 0.03 0.03 0.045 0.1 Balance
  • 410

    Hardenable 12 chromium martensitic.
     CrMnNiCSiPSFe
    MIN 11.5 - - 0.08 - - - -
    MAX 13.5 1.0 0.75 0.15 1.0 0.04 0.03 Balance
  • 410S

    Lower carbon 12 chromium martensitic, weldable.
     CrCNMnSiPhSFe
    MIN 11.5 - - - - - - -
    MAX 13.5 0.08 0.6 0.08 1.0 0.04 0.03 Balance
  • 446

    High chromium ferritic alloy with excellent oxidation and sulfidation resistance. Low strength.
     CrCNMnSiPhSFe
    MIN 23.0 - - - - - - -
    MAX 27.0 0.15 0.25 1.5 1.0 0.04 0.03 Balance
  • 317L

    An austenitic stainless steel with increased molybdenum content over 316L for improved pitting resistance.
     NiCrMoMnSiCNSPFe
    MIN 11.0 18.0 3.0 - - - - - - -
    MAX 15.0 20.0 4.0 2.0 0.75 0.03 0.1 0.03 0.045 Balance
  • 303

    Free machining 18-8 stainless.
     CrNiCMnPSSiFe
    MIN 17.0 8.0 - - - 0.3 - -
    MAX 19.0 10.0 0.15 2.0 0.2 - 1.0 Balance

    RAM 303 contains 0.30% minimum sulfur for enhanced machinability, substantially higher than the 0.15% minimum required by ASTM

  • PRODEC® 303

    Rolled Alloys Machining grade of Prodec® 303 stainless.
     CrNiCMnPSSiFe
    MIN 17.0 8.0 - - - 0.3 - -
    MAX 19.0 10.0 0.15 2.0 0.2 - 1.0 Balance

    Prodec® 303 contains 0.30% minimum sulfur for enhanced machinability, substantially higher than the 0.15% minimum required by ASTM

  • PRODEC® 304/304L

    Rolled Alloys Machining grade of PRODEC® 304/L stainless.
     CrNiCMnPSSiFe
    MIN 18.0 8.0 - - - 0.015 - -
    MAX 20.0 11.0 0.03 2.0 0.045 0.03 0.75 Balance
  • PRODEC® 316/316L

    Rolled Alloys Machining grade of PRODEC® 316/L stainless.
     CrNiCMnPSSiMoNFe
    MIN 16.0 10.0 - - - 0.015 - 2.0 - -
    MAX 18.0 14.0 0.03 2.0 0.04 0.03 0.75 3.0 0.1 Balance
  • 15-5 PH

    Age hardening martensitic stainless.
     NiCrMnCuSiCb+TaCPSFe
    MIN 3.5 14.0 - 2.5 - 0.15 - - - -
    MAX 5.5 15.5 1.0 4.5 1.0 0.45 0.07 0.04 0.03 Balance
  • 13-8

    Rolled Alloys offers 13-8 round bar in stock and available online. Martensitic PH stainless with high strength, hardness, superior toughness and good corrosion resistance.
     NiCrMoCPSSiMnNAlFe
    MIN 7.5 12.25 2.0 - - - - - - 0.90 -
    MAX 8.5 13.25 2.5 0.05 0.01 0.008 0.1 0.2 0.1 1.35 Balance
  • Nitronic® 50

    High strength and good corrosion resistance. Nearly 2X strength of 304 & 316 with better corrosion resistance than 317L.
     NiCrMoMnSiCNSPCbVFe
    MIN 11.5 20.5 1.5 4.0 - - 0.2 - - 0.1 0.1 -
    MAX 13.5 23.5 3.0 6.0 1.0 0.06 0.4 0.03 0.045 0.3 0.3 Balance
  • Nitronic® 60

    Excellent galling resistance at high temperatures. Used for fasteners and pins.
     NiCrMnSiCNSPFe
    MIN 8.0 16.0 7.0 3.5 - 0.08 - - -
    MAX 9.0 18.0 9.0 4.5 0.10 0.18 0.03 0.06 Balance