February 14, 2019

Stainless Steel CF3MN (316LN)

Stainless steel CF3MN is a low carbon, nitrogen enhanced austenitic stainless steel with high corrosion resistance and strength property. It’s typically used for elevated temperature applications. CF3MN is 21 Chromium-24 Nickel with Molybdenum and Nitrogen, generally it’s CF3M + Nitrogen. Thus, CF3MN is same as 316LN (316L + Nitrogen). The nitrogen in stainless steel CF3MN adds additional resistance to sensitization in some application.

CF3MN is listed in and standard. Casting UNS number is J92804 defined in . WW.CASTINGQUALITY.COM

Casting Quality Industrial provide CF3MN (316LN) castings by sand casting or investment casting (lost wax precision casting) process.

CF3MN (316LN) Equivalent Stainless Steel Grade:WW.CASTINGQUALITY.COM

Wrought Grade: ASTM/UNS 316LN;

Wrought UNS: S31653;


JIS G5121 Grade SCS 16AXN;

EN 10088 Grade X2CrNiMoN17-11-2, EN Number 1.4406

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

ASTM 743A Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application

ASTM A240 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

ASTM A276: Standard Specification for Stainless Steel Bars and Shapes


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 GradeCF3MN (316LN) Chemical Composition / Physical Properties %
(max, except where range is given)
ASTM A276316LN0.
ASTM A182F316LN0.
ASTM A240316LN0.032.000.750.030.04516-1810-142-30.1-0.16


CF3MN Heat treatment process: www.castingquality.com

Heat to 1900°F [1040°C] minimum, hold for sufficient time to heat casting to temperature, quench in water or rapid cool by other means.

CF3MN (316LN) Stainless Steel Mechanical Property www.castingquality.com

Stainless Steel GradeTensile Strength minYield Strength, minElongation, minReduction of ReductionHardness, Max
StandardGradeUNSKsiMPaKsiMPa%min, %BrinellRockwell B
ASTM A240316LNS3165375515302054021795
ASTM A182F316LNS3165375515302053050
ASTM A276316LN
Hot finished75515302054050
Cold finished906204531030401/2 Thickness
75515302053040>1/2 Thickness


Pipe Fittings.

Industrial application

Marine fittings.


CF3MN (316LN) WELDABILITY: www.castingquality.com

Good characteristics suited to all standard methods. Grade 310L or SS318 electrodes generally recommended for fusion welding.


Manufacture Process in Casting Quality: Sand Casting, Precision Lost Wax Investment Casting.

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