DH71

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Japan DAIDO DH71 热间工具钢（锻造型） and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DH71 / DH71

Category	Grade	Standard	Region/Area	Standard Content
Metals	DH71	DAIDO HWTS	Japan	热间工具钢（锻造型）

Chemical composition(mass fraction)(wt.%) of the DH71

Element	Min	Max	Similar
V	-	-	1.0000
Mo	-	-	2.0000
Cr	-	-	3.0000
Mn	-	1.5000	-
Si	-	1.5000	-
C	-	-	0.4000

Mechanical Properties of steel grade DH71

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
253 (≥)	632 (≥)	44	43	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	344

Physical Properties of steel grade DH71

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
12	-	-			0.12	-
535	737	-	41.3	244		-
839	-	21	41.2			214	342

Heat Treatment of steel grade DH71

Heat treated : 1494°C - 1926°C

Technological Curves of steel grade DH71

No Curve

Cross Reference Table (Equivalent Grade) of DH71

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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