B884

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America ASTM B884 超导用钛铌合金方坯，棒材和盘条技术规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B884 / B884

Category	Grade	Standard	Region/Area	Standard Content
Metals	B884	ASTM B884	America	超导用钛铌合金方坯，棒材和盘条技术规范

Chemical composition(mass fraction)(wt.%) of the B884

Element	Min	Max	Similar
Ti	46.0000	48.0000	-
Ta	-	0.2500	-
Si	-	0.0100	-
O	-	0.1000	-
Ni	-	0.0100	-
N	-	0.0150	-
H	-	0.0045	-
Fe	-	0.0200	-
Cu	-	0.0100	-
Cr	-	0.0100	-
C	-	0.0200	-
Al	-	0.0100	-

Mechanical Properties of steel grade B884

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)
697 (≥)	456 (≥)	14	12	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	233

Physical Properties of steel grade B884

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	-	-			0.14	-
419	471	-	22.3	432		-
918	-	23	22.2			323	313

Heat Treatment of steel grade B884

Heat treated : 1748°C - 1162°C

Technological Curves of steel grade B884

No Curve

Cross Reference Table (Equivalent Grade) of B884

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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