K441

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China GJB K441 铸造高温合金和铸造金属间化合物高温材料母合金规范第1部分普通精密铸件用铸造高温合金母合金 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K441 / K441

Category	Grade	Standard	Region/Area	Standard Content
Metals	K441	GJB 5512.1	China	铸造高温合金和铸造金属间化合物高温材料母合金规范第1部分普通精密铸件用铸造高温合金母合金

Chemical composition(mass fraction)(wt.%) of the K441

Element	Min	Max	Similar
C	0.0200	0.1000	-
Cr	15.0000	17.0000	-
Ni	-	-	-
W	12.0000	15.0000	-
Mo	1.5000	3.0000	-
Al	3.1000	4.0000	-
B	0.0010	0.0100	-
Zr	-	0.0500	-
P	-	0.0150	-
S	-	0.0100	-

Mechanical Properties of steel grade K441

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)
766 (≥)	156 (≥)	33	14	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	213

Physical Properties of steel grade K441

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
13	-	-			0.21	-
399	437	-	32.3	243		-
674	-	43	14.2			312	323

Heat Treatment of steel grade K441

Heat treated : 1348°C - 1889°C

Technological Curves of steel grade K441

No Curve

Cross Reference Table (Equivalent Grade) of K441

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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