Tel : 0086-0371-86172891
Tel : 0086-0371-86172891
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
A4 steel product available : A4 Steel plates, A4 steel sheets, A4 round bars, A4 steel strip, A4 steel wire, A4 steel rod
A4 steel standard : ASTM A681,
A4 steel UNS No.: T30104
A4 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 |
|
T30104 |
A4 |
0.95-1.05 |
1.80-2.20 |
0.030 |
0.030 |
0.10-0.70 |
0.90-2.20 |
- |
- |
0.90-1.40 |
ASTM A681 A4 tool steel max Brinell hardness in Annealed or cold drawn condition
|
UNS |
Type |
Annealed BHN |
Cold drawn BHN |
|
T30104 |
A4 |
241 |
262 |
|
Type |
Preheat temperature ℃ |
Austenitizing temperature℃ |
Austenitizing |
Quench |
Tempering temperature℃ |
Min Hardness RC |
|||
|
Salt Bath |
Controlled Atmosphere Furnaces |
||||||||
|
A4 |
677 |
843 |
857 |
5-15 |
Air |
204 |
61 |
||
JOIN-WIN STEEL keeps enough quantity A4 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
A2 tool steel,
A3 tool steel,
A5 tool steel,
A6 tool steel,
A7 tool steel,
A8 tool steel,
A9 tool steel,
A10 tool steel
