JK 7225

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Global 企业标准 JK7225 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: JK7225 / JK 7225

Category	Grade	Standard	Region/Area	Standard Content
Metals	JK 7225	--	Global

Chemical composition(mass fraction)(wt.%) of the JK 7225

Element	Min	Max	Similar
W	-	-	15.0000
Ni	-	-	10.0000
Mo	-	-	1.0000
Mn	-	-	1.5000
Fe	-	3.0000	-
Cr	-	-	20.0000
Co	-	-	-
C	-	-	0.1000

Mechanical Properties of steel grade JK 7225

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)
898 (≥)	984 (≥)	14	14	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	414

Physical Properties of steel grade JK 7225

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	-	-			0.43	-
831	931	-	32.3	321		-
618	-	33	13.2			412	424

Heat Treatment of steel grade JK 7225

Heat treated : 1924°C - 1885°C

Technological Curves of steel grade JK 7225

No Curve

Cross Reference Table (Equivalent Grade) of JK 7225

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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