Part Number WS 1.4427 So
Technical Data Sheet
Chronifer Special KL is an austenitic stainless steel with high corrosion resistance which is manufactured in Rod, Bar and Coil. (AISI 316L Stainless Steel).
| Chemical Composition Limits | |||||||||
| Weight % | C | 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 | 12-14 | 2.10-2.50 | Rem |
| Other Chemically similar Specifications | |||||||||
| Weight % | C | 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 | 12-14 | 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 | 12-14 | 2.10-2.50 | Rem |
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 ºC (1850-2050ºF 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)
For all stock and size availability contact Sales.
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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.
