Part Number WS 1.4112
Technical Data Sheet
Our Chronifer M-17B is a high carbon chromium steel which is manufactured in rod, bar and coil. (AISI 440B ~ Stainless Steel).
Chemical Composition Limits | ||||||
Weight % | C | S | Cr | Mo | Vanadium | Fe |
CHRONIFER M-17B | 0.85-0.95 | 0.03 max | 17-19 | 0.90-1.30 | 0.07-0.12 | Rem |
Other Chemically similar Specifications | ||||||
Weight % | C | S | Cr | Mo | Vanadium | Fe |
WS 1.4112 | 0.85-0.95 | 0.03 max | 17-19 | 0.90-1.30 | 0.07-0.12 | Rem |
X 90 CrMoV 18 | 0.85-0.95 | 0.03 max | 17-19 | 0.90-1.30 | 0.07-0.12 | Rem |
AISI 440B~ | 0.85-0.95 | 0.03 max | 17-19 | 0.90-1.30 | 0.07-0.12 | Rem |
Material Properties
This steel is designed to provide stainless properties with excellent hardness. In some respects it behaves similarly to tool steel. Chronifer M 17B resists corrosion from mild atmospheres, fresh water steam, ammonia, many petroleum products and organic materials and several mild acid environments.
Availability
Coils: Cold drawn 10-35kg coil
Bars Ø 0-1.99mm: Cold drawn and polished
Bars Ø 2.00-40mm: Cold drawn, ground and polished
Bars Length : 2m or 3m. Surface roughness N5-N6
Standard Tolerances
Diameter: h7
Out of roundness/cylindricity :1/2 of dia tolerance
Tolerance in length : +50/-0mm
Corrosion Resistance
This grade is used in the hardened and tempered condition for a good corrosion resistance. For optimum, corrosion resistance, surfaces must be free of scale and foreign particles.
Heat Treatment
Soft annealing: 750-800ºC
Slow furnace cooling (2-4 hours)
Hardening: 1000-1080ºC
Max obtainable hardness 57-59 HRC
Cutting Rate
20-35m/min (approx value, depending on the lubrication oil, the cutting tools, the shape of parts)
Stock Range
Standard dimensions from Ø 0.80 to 24.00mm with many intermediate dimensions.