Heat treatment

How to set up Through Hardening

Lead time for Heat Treated products

  • *Days to Ship varies depending on the size.
  • *If a surface treatment is specified, +2 days will be added to the lead time.
Material Heat Treatment Type Size (X) Standard Shipping Expedite Days to Ship
EN 1.2379 equiv.
  • Conventional Hardening
  • Vacuum Hardening
150㎜ or less 14 days~ 12 days~
More than 150㎜ 18 days~ 15 days~
EN 1.7220 equiv.
(Reference Hardness: 26-32HRC)
150㎜ or less 14 days~ 12 days~
More than 150㎜ 18 days~ 15 days~
EN 1.1206 equiv. 150㎜ or less 14 days~ 12 days~
More than 150㎜ 18 days~ 15 days~

Selectable Hardness

MaterialStandard hardnessSelectable hardness range (HRC)
EN 1.2379 equiv.HRC58~63HRC50~63
EN 1.7220 equiv. (Reference Hardness: 26-32HRC)HRC50~55HRC30~55
EN 1.1206 equiv.HRC35~45HRC30~50
  • *The minimum hardness value specified (HRC) must be less than the maximum value.
  • The hardness range specified (HRC) must be 5 or more. Example: HRC40~45

Heat Treated product size

Dimensions Minimum Maximum
X 10mm 300mm
Y 10mm 150mm
Z 8mm 60mm

Quality assurance for Heat Treated products

Caution

  • The hardened depth and distribution of heat treated areas may vary depending on the thickness and shape of the material.
  • When parts are heat treated, the outer surface tends to be harder, while the inner areas tend to remain softer. During inspection the hardening will be confirmed to be uniform on average.
  • The surface can be cleaned by sandblasting after hardening. The accuracy is not reduced by this process. The blasting method cannot be specified.
  • Grinding may be performed during the finishing process.
  • Grinding cannot be specified. Whether to grind is decided in the factory under the aspect of quality assurance.
  • Hardness measurement marks may remain in areas. To confirm the inspection points in advance, please add information in the comments and request a manual quote.

Inspection marks

Heat Treated Finish

  • EN 1.2379 equiv.
  • Surface Treatment: Electroless nickel
  • EN 1.7220 equiv. (Reference Hardness: 26-32HRC)
  • Surface Treatment: None
  • EN 1.1206 equiv.
  • Surface Treatment: Electroless nickel

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