August 9, 2019

Duplex Stainless Steel CE8MN (2A)

CE8MN is one Austenitic-Ferritic (duplex) stainless steel (type 24Cr-10Ni-Mo-N) which listed in ASTM A890 and ASTM A995 and . It has excellent corrosion resistance property in seawater, better strength than common stainless steel. The UNS code is J93345.

Grade CE8MN; ASTM A890 Grade 2A; ASTM A995 Grade 2A

Casting Methods in Casting Quality Industrial:

  • Sand Casting
  • Investment Casting (Lost Wax Casting, Precision Casting)

CE8MN (2A) (UNS J93345) Equivalent Stainless Steel Grade:WW.CASTINGQUALITY.COM

UNS S32750

Reference Casting Standards and others: WW.CASTINGQUALITY.COM

Standard Specification for Castings, Austenitic, for Pressure-Containing Parts:

ASTM A890/890M Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application

ASTM A995/995M Standard Specification for Castings, Austenitic-Ferritic (Duplex) Stainless Steel, for Pressure-Containing Parts

Valve Bonnet -Presicion Investment Castings

Our Services

  1. Sand Casting

    Casting Quality focus on Metal Parts industry, we provide professional service in Metal Casting field.

    Sand Casting is a popular metal form method, are suitable for all materiel, such as grey iron, ductile iron, malleable iron, carbon steel, stainless steel, aluminum and bronze.

  2. Investment Casting

    also named as precision lost wax casting, mainly suitalbe for carbon steel and stainless steel parts. We also provide grey iron and ductile iron and aluminum and bronze parts by investment casting. It can achieve the best appearance with good tolerance

  3. Shell Casting

    Shell casting method is a good option to replace investment casting and sand casting. the quality is better than sand casting parts, suitable for bulk production.

  4. CNC Machining

    CNC Milling, CNC turning with 5 xix CNC center, we provide precision machining for all castings based on customers design drawings.

  5. CAD Design

    Mechanical Design service based on customers requirement, our software is Solidworks and AutoCAD.

  6. Tools/Mold Design

    Mould design and production will be served for metal casting ad plastic injection industry. Based on our more than 10 years experience, we supply professional molds for our customers in Europe and North American.

Stainless Steel GradeCE8MN Chemical Composition / Physical Properties %
(max, except where range is given)
ASTM A8902ACE8MN0.081.001.500.040.0422.5-25.58.0-11.03.0-4.50.10-0.30
ASTM A9952ACE8MN0.081.001.500.040.0422.5-25.58.0-11.03.0-4.50.10-0.30


CE8MN Heat treatment process: WWW.CASTINGQUALITY.COM

Heat to 2050°F [1120°C] minimum, hold for sufficient time to heat casting uniformly to temperature, quench in water or rapid cool by other means.

CE8MN Stainless Steel Mechanical Property WWW.CASTINGQUALITY.COM

Stainless Steel GradeTensile Strength minYield Strength, minElongation, minReduction of ReductionHardness, Max
StandardGradeACIUNSKsiMPaKsiMPa%min, %BrinellRockwell B
ASTM A8902ACE8MNJ93345956556545025
ASTM A9952ACE8MNJ93345956556545025


CE8MN Typical Application

  • Pump components casting
  • Valve components casting
  • Heat exchangers
  • Offshore systems.
  • Pressure vessels.




Metal Castings

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