FTNC20/80

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China GB FTNC20/80 钽铌复合碳化物 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FTNC20/80 / FTNC20/80

Category	Grade	Standard	Region/Area	Standard Content
Metals	FTNC20/80	GB/T 26061	China	钽铌复合碳化物

Chemical composition(mass fraction)(wt.%) of the FTNC20/80

Element	Min	Max	Similar
Total Others	10.0000	10.4000	-
Ti	-	0.0100	-
Ta	17.0000	20.0000	-
Si	-	0.0100	-
Nb	69.5000	72.5000	-
Na	-	0.0050	-
N	-	0.0200	-
Mixed carbides	-	0.1500	-
K	-	0.0050	-
Fe	-	0.1000	-
Ca	-	0.0050	-
Al	-	0.0050	-

Mechanical Properties of steel grade FTNC20/80

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)
588 (≥)	852 (≥)	42	24	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade FTNC20/80

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
32	-	-			0.23	-
754	464	-	11.3	343		-
864	-	13	24.2			233	233

Heat Treatment of steel grade FTNC20/80

Heat treated : 1444°C - 1712°C

Technological Curves of steel grade FTNC20/80

No Curve

Cross Reference Table (Equivalent Grade) of FTNC20/80

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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