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Hot Stamping Die Steel
Daido Steel's tool steels lineup for hot stamping dies includes H13 and other special grades that can provide excellent high-temperature strength, softening resistance and thermal conductivity. High thermal conductive grades contribute to the improvement of the internal cooling efficiency.
Our products contribute to the prevention of wear, plating adhesion and other issues that may happen in hot stamping where forming and cooling happen at the same time.
Conceptual diagram
Products list
| Grade | Brand name | Equivalent standard | Characteristics | Detailed information | ||||
| JIS | AISI | WNr. | Special page | Brochure | Technical data | |||
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Type H13 & Modified (5Cr) Single melted |
DHA1 | SKD61 |
H13 eq. |
1.2344 eq. |
・General-purpose hot work die steel |
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| DHA-WORLD |
SKD61 mod. |
H13 mod. |
1.2344 mod. |
・High hardenability & toughness |
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Type 2367 modified (5Cr) Remelted |
DH31-EX | - | - |
1.2367 mod. |
・High hardenability & toughness ・High strength at elevated temp. |
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Hot Stamping Die Steel |
DHA-HS1 | - | - | - |
・High thermal conductivity & High softening resistance ・Dedicated steel for hot stamping dies |
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For the latest physical property data, please see "Physical Properties“.
Values listed in the brochure may differ.
Hot Work
Tool Steel
Tool Steel
Technical Data
| No. | Title | Publication / Source | Volume & page | Read the document |
| S01e | Document with comments "DHA-WORLD" (No. SD2002) | - | - | Open PDF file |
| S02e |
Document with comments "DH31-EX" (No. SD2001) |
- | - | Open PDF file |
| E01 |
ホットスタンピング向け金型用鋼 「DHA-HS1」 (No. SD2107) |
「型技術」（日刊工業新聞社） | 2020年 35巻 10号 p.38-41 | Open PDF file |
| (E01e) |
Hot Stamping Die Steel “DHA-HS1” (No. SD2101) |
Source: KATA-GIJYUTSU (Die and Mould Technology) |
2020, Vol.35, No.10, p.38-41 | Open PDF file |
| E02 | 実機試験によるホットスタンピング金型評価技術 | 大同特殊鋼技報「電気製鋼」 | 2020年 91巻 1号 p.43-47 | Go to DENKI-SEIKO page |
| (E02e) |
Die Material Evaluation Technology by Actual Hot Stamping Equipment (No. SD2109) |
Source: DENKI-SEIKO (Electric Furnace Steel) |
2020, Vol.91, No.1, p.43-47 | Open PDF file |
| E03e |
Newly Developed High Thermal Conductive Die Steel with Superior Performance for Hot Stamping (No.SD2201) |
Source: Proceeding of CHS2-2022 |
2022, p.679-686 | Open PDF file |
