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H43 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: hot work tool steel
H43 steel product available : H43 Steel plates, H43 steel sheets, H43 round bars, H43 steel strip, H43 steel wire, H43 steel rod
H43 steel standard : ASTM A681,
H43 steel UNS No.: T20843
H43 steel surface usual condition:
-- The hot rolled or forged condition (as hot work)
-- The machined (ground, polished, turned, peeled or milled ) condition
-- The cold reduced condition

ASTM A681 H43 tool steel chemical composition %

UNS

Type

C

Mn

P max

S max

Si

Cr

V

W

Mo

T20843

H43

0.50-0.65

0.15-0.40

0.030

0.030

0.20-0.45

3.75-4.50

1.80-2.20

-

7.75-8.50


ASTM A681 H43 tool steel max Brinell hardness in Annealed or cold drawn condition


UNS

Type

Annealed BHN

Cold drawn BHN

T20843

H43

235

262



Type

Preheat temperature ℃

Austenitizing temperature℃

Austenitizing
(Minutes)

Quench
Medium

Tempering temperature℃

Min Hardness RC

Salt Bath

Controlled Atmosphere Furnaces

H11

788

1177

1191

5-15

Air

552

58


JOIN-WIN STEEL keeps enough quantity H43 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 tool steel in standard ASTM A681
H10 Tool steel,
H11 Tool steel,
H12 Tool steel,
H13 Tool steel,
H14 Tool steel,
H19 Tool steel,
H21 Tool steel,
H22 Tool steel,
H23 Tool steel,
H24 Tool steel,
H25 Tool steel,
H26 Tool steel,
H41 Tool steel,
H42 Tool steel

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