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D3 Tool steel

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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
D3 steel product available : D3 Steel plates, D3 steel sheets, D3 round bars, D3 steel strip, D3 steel wire, D3 steel rod
D3 steel standard : ASTM A681,
D3 steel UNS No.: T30403
D3 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 D3 tool steel chemical composition %

UNS

Type

C

Mn

P max

S max

Si

Cr

V

W

Mo

T30403

D3

2.00-2.35

0.10-0.60

0.030

0.030

0.10-0.60

11.00-13.00

1.00 max

1.00 max

-


ASTM A681 D3 tool steel max Brinell hardness in Annealed or cold drawn condition


UNS

Type

Annealed BHN

Cold drawn BHN

T30403

D3

255

269



Type

Preheat temperature ℃

Austenitizing temperature℃

Austenitizing
(Minutes)

Quench
Medium

Tempering temperature℃

Min Hardness RC

Salt Bath

Controlled Atmosphere Furnaces

D3

816

954

968

10-20

Oil

204

61


JOIN-WIN STEEL keeps enough quantity D3 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,
D4 tool steel,
D5 tool steel,
D7 tool steel

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