Guangzhou Changfeng Steel Co., LTD
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1.2379 D2 Cold Work Mould Steel Sheet and Flat Bar of Special Steel
For various high precision, long-life cold work moulds, cutting tools and measuring tools.
Grade:
| GB | AISI | DIN | JIS |
| Cr12Mo1V1 | D2 | 1.2379 | SKD11 |
Chemical Composition (%)
| C | Si | Mn | P | S | Cr | Mo | V |
| 1.4~1.6 | 0.30~0.5 | 0.3~0.5 | ≤0.030 | ≤0.030 | 11~13 | 0.7~1.2 | ≤0.80 |
Product Description
| Size of Steel grade 1.2379 mechanical properties | |||
| Round bar | Diameter(mm) | Length (mm) | |
| Max:120 | Max:6000 | ||
| Plate | Thickness(mm) | Width (mm) | Length (mm) |
| Max:80 | Max:1000 | Max:6000 | |
| The specification can be customized. | |||
Recommend heat treatment:
| Quenching | Temepring | ||||||
| Heating temperature/ºC | Cooling way | Hardness(HRC) | Tempering temperature/ºC | Tempering number | Hardness (HRC) | ||
| First preheating | Second preheating | Last heating | |||||
| 600-650 | 800-850 | 1020-1040 | Air Cooling | 61-63 | 500-560 | 2 | ≥58 |
Features:
A, Vacuum degassing refining,processing steel purity.
B, The spheroidizing annealing softening, have the well machinability .
C, Has high hardness and wear resistance after heat treatment, strong hardenability.
Application:
A popular grade for toolmakers, this tool steel is used in a wide variety of tool making applications.
Typical applications include punching and blanking dies for stainless steel sheet, brass, copper, zinc and hard abrasive materials generally.
Other application suitable for this tool steel include deep drawing dies, cupping dies, forming die sheet metal forming rolls, shear blades for strip and sheet including flying shears, circular cutters for cold rolled strip, trimmer dies, thread rolling dies, cold extrusion dies, broaches, plug gauges, ring gauges, master hobs for cold hobbing plastic moulds, cut moulds for plastics, special taps, straybolt taps, brick and tile mould liners.
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