NW7718

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China GB NW7718 镍及镍合金锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NW7718 / NW7718

Category	Grade	Standard	Region/Area	Standard Content
Metals	NW7718	GB/T 26030	China	镍及镍合金锻件

Chemical composition(mass fraction)(wt.%) of the NW7718

Element	Min	Max	Similar
Ti	0.6000	1.2000	-
Si	-	0.4000	-
S	-	0.0150	-
P	-	0.0150	-
Ni	50.0000	55.0000	-
Nb+Ta	4.7000	5.5000	-
Mo	2.8000	3.3000	-
Mn	-	0.4000	-
Fe	-	-	-
Cu	-	0.3000	-
Cr	17.0000	21.0000	-
Co	-	1.5000	-
C	-	0.0800	-
B	-	0.0060	-
Al	0.2000	0.8000	-

Mechanical Properties of steel grade NW7718

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)
661 (≥)	659 (≥)	11	14	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	332

Physical Properties of steel grade NW7718

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
44	-	-			0.31	-
739	926	-	43.3	124		-
226	-	23	21.2			234	241

Heat Treatment of steel grade NW7718

Heat treated : 1599°C - 1423°C

Technological Curves of steel grade NW7718

No Curve

Cross Reference Table (Equivalent Grade) of NW7718

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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