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Tool Steel: Special steel suitable for working or processing of material, for handling and measuring workpieces and, for this purpose, exhibiting high hardness and wear resistance and/or toughness.
Product: cold work tool steel
D4 steel product available : D4 Steel plates, D4 steel sheets, D4 round bars, D4 steel strip, D4 steel wire, D4 steel rod
D4 steel standard : ASTM A681,
D4 steel UNS No.: T30404
D4 steel surface usual condition:
-- The hot rolled or forged condition (as cold work)
-- The machined (ground, polished, turned, peeled or milled ) condition
-- The cold reduced condition
|
UNS |
Type |
C |
Mn |
P max |
S max |
Si |
Cr |
V |
W |
Mo |
|
T30404 |
D4 |
2.05-2.45 |
0.10-0.60 |
0.030 |
0.030 |
0.10-0.60 |
11.00-13.00 |
0.50-1.10 |
- |
0.70-1.20 |
ASTM A681 D4 tool steel max Brinell hardness in Annealed or cold drawn condition
|
UNS |
Type |
Annealed BHN |
Cold drawn BHN |
|
T30404 |
D4 |
255 |
269 |
|
Type |
Preheat temperature ℃ |
Austenitizing temperature℃ |
Austenitizing |
Quench |
Tempering temperature℃ |
Min Hardness RC |
|||
|
Salt Bath |
Controlled Atmosphere Furnaces |
||||||||
|
D4 |
816 |
982 |
996 |
10-20 |
Air |
204 |
62 |
||
JOIN-WIN STEEL keeps enough quantity D4 steel in stock each month. We can meet our customer’s further process request like : rolling, bending, cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.
Other steel grades of cold work tool steel in standard ASTM A681
D2 tool steel,
D3 tool steel,
D5 tool steel,
D7 tool steel
