You will be satisfied with economic prices and high quality tools of DSM
Advanced Machining & Heat-Treatment Facility & Technology in Korea
Strict Production management from the raw material to the complete product
With accumulated experience, up-to-date production facility and technically certified experts
DSM chisels have been supplied to over 50 companies of more than 30 countries
DSM is a manufacturer of high quality Demolition Tools and has been proven as the first class quality products world wide
Further development & new model will never end
DSM specialists are working for heat treatment process and examination of the qualities
Refer to our standard warranty guide & policy in the catalogue
*Below four types of chisels can be supplied from DSM.
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Austenting Tempertature | 810~850℃ (20min/inch) |
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Cooling | Water Oil Cooling |
Tempering | 250~300℃(1hr/inch) |
Structure | "Tempered Martensite Bainite + Pearite + Ferrite + Tempered Martensite" |
We DSM provide the most suitable and durable DSM working tools.
Our tools are manufactured to O.E. standards and are hardened to customers’ needs.
In order to satisfy the customers, DSM working tools are designed ad produced under the strict quality control.
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Surface Hardness | HRC51±3 | Core Hardness | HRC35±3 |
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Tensile Strength(min) | 1250N/mm² | Yield Point(min) | 950N/mm² |
Elongation | 10~14% | Reduction of Area | 35~40% |
Impact Work | 23~28 ft1b | Grain Size | 7.0~8.0 |
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C | Si | Mn | Ni | Cr | Mo |
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0.38/0.45 | 0.20/0.40 | 0.7/1.0 | 0.25 | 0.90/1.20 | 0.20/0.40 |