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Part Number

Austenitic Stainless Steel 316L with high corrosion resistance

Chemical Composition Limits

Weight % Si Mn P S Cr Ni Mo Fe

 CHRONIFER

SPECIAL KL

 0.03 Max 1.00 Max  2.00 Max 0.045 Max 0.10-0.139 16.50-18.50  12.00-14.00 2.10-2.50  Rem 

Other Chemically similar Specifications 

Weight % Si Mn P S Cr Ni Mo Fe
WS 1.4427 So  0.03 Max 1.00 Max   2.00 Max 0.045 Max 0.10-0.139 16.50-18.50  12.00-14.00 2.10-2.50  Rem 
AISI 316L  0.03 Max 1.00 Max   2.00 Max 0.045 Max 0.10-0.139 16.50-18.50  12.00-14.00 2.10-2.50  Rem 

Chronifer Special KL material is Manufactured in Rod, Bar and coil

AISI 316L Stainless Steel

 

Material Properties

Type ~316L is an improved Corrosion resistant Chrome-Nickel steel alloy with high content of Molybdenum.  It is a free machining grade with controlled sulfur content, used specially for watch making parts in middle and high quality watches, but also for other industries.

 

 

Corrosion resistance

Due to its superior Corrosion resistance, it has been used in handling many of the chemicals used by chemical process industries.  It is more resistant to pitting Corrosion than typical 18-8 alloys.  For optimum Corrosion resistance, surfaces must be free of scale and foreign particles.  Parts should be passivated.

 

Availability

Bars: Cold drawn, ground and polished.  Standard length of bars 3m.  Surface roughness N6, in tolerance ISO h7 for bars and fg8 for coils.

 

 

Heat Treatment

For high corrosion resistance and low magnetism, there may be an annealing procedure necessary.  This annealing is only useful after a strong cold working which raised the mechanical resistance

 

Annealing: Heat to 1010-1120 C (1850-2050F and water quench)

Hardening: Cannot be hardened by heat treatment hardens only by cold working

 

Stock Range

0.90-14mm in bars and 0.90-5mm in coils

 

 

Mechanical properties

Tensile strength: at delivery form 750-1000 N/mm2

 

 

Cutting Rate

30-50m/min (approx value depending on the lubrication oil, the cutting tools, the form parts)

 

 

 

Disclaimer

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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