Core 201LN/4372
ASTM TYPE 201LN / UNS S20153

View Core range datasheet

General characteristics

This low-nickel stainless steel also has properties approaching Core 301/4310, but has a higher strength than Core 201/4372. It hardens more quickly due to its higher work hardening coefficient.

Typical applications

  • Railroad freight cars
  • Truck trailers
  • Coal handling
  • Bulk transport equipment

 

Product forms, available sizes and finishes

Flat

Product typeFinishesThicknessWidth
Cold rolled coil and sheet2B, 2D1,00-3,43≤ 1524
Hot rolled coil and plateHot rolled white2,79-9,53≤ 1524
Chemical composition

 

The typical chemical composition for this grade is given in the table below, together with composition limits given for the product according to different standards. The required standard will be fully met as specified on the order.


The chemical composition is given as % by mass.

StandardGradeCMnCrNiMoNOther
TypicalCore 201LN/43720.026.616.24.10.16Cu:0.75
ASTM A240/A240MTYPE 201LN / UNS S20153<0.0306.4-7.516.0-17.54.0-5.00.10-0.25Si:<0.75 P:<0.045 S:<0.015 Cu:<1
Mechanical properties

 

 

StandardGradeRp0.2Rp1.0RmElongationImpact strengthRockwellHBHV
  MPaMPaMPa%J

 

Corrosion resistance

 

Pitting corrosion resistanceCrevice corrosion resistance
PRECPTCCT
18

PRE Pitting Resistant Equivalent calculated using the formula: PRE = %Cr + 3.3 x %Mo + 16 x %N
CPT Corrosion Pitting Temperature as measured in the Avesta Cell (ASTM G 150), in a 1M NaCl solution (35,000 ppm or mg/l chloride ions).
CCT Critical Crevice Corrosion Temperature is the critical crevice corrosion temperature which is obtained by laboratory tests according to ASTM G 48 Method F

 

 

Physical properties

 

 

DensityModulus of elasticityThermal exp. at 100 °CThermal conductivityThermal capacityElectrical resistanceMagnetizable
kg/dm3GPa10-6/°CW/m°CJ/kg°CµΩm
7.8200150.7No*

*) Austenitic stainless steel grades may be magnetizable to a certain degree after cold deformation, e.g. in temper rolled condition.

Fabrication

 

More detailed information concerning welding procedures can be obtained from the Outokumpu Welding Handbook, available from our sales offices.

Standards & approvals

 

 

StandardDesignation
ASTM A240/A240MTYPE 201LN / UNS S20153