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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
O2 steel product available : O2 Steel plates, O2 steel sheets, O2 round bars, O2 steel strip, O2 steel wire, O2 steel rod
O2 steel standard : ASTM A681,
O2 steel UNS No.: T31502
O2 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
ASTM A681 O2 tool steel chemical composition %
|
UNS |
Type |
C |
Mn |
P max |
S max |
Si |
Cr |
V |
W |
Mo |
|
T31502 |
O2 |
0.85-0.95 |
1.40-1.80 |
0.030 |
0.030 |
0.50 max |
0.50 max |
0.30 max |
- |
0.50 max |
ASTM A681 O2 tool steel max Brinell hardness in Annealed or cold drawn condition
|
UNS |
Type |
Annealed BHN |
Cold drawn BHN |
|
T31502 |
O2 |
212 |
241 |
|
Type |
Preheat temperature ℃ |
Austenitizing temperature℃ |
Austenitizing |
Quench |
Tempering temperature℃ |
Min Hardness RC |
|||
|
Salt Bath |
Controlled Atmosphere Furnaces |
||||||||
|
O2 |
649 |
788 |
802 |
5-15 |
Oil |
204 |
59 |
||
JOIN-WIN STEEL keeps enough quantity O2 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
O1 tool steel,
O6 tool steel,
O7 tool steel,
