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Niobium sheet - plate

Niobium Hafnium Alloy Niobium C103 Plate

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Name:	Niobium Hafnium Alloy C103 Plate
Size:	Diameter ：width >6 inch (152.4mm)、Thickness <0.187Inch（4.75mm）
Standard:	ASTM R04296
Production Process:	Extrusion, forging, rolling etc.

Chemical   Composition:

R04295 Niob-Hafnium alloy
element	Content ,Max,Weight % (Unless otherwise specified)
C	0.015
O	0.025
N	0.010
H	0.0015
Hf	9~11
Ti	0.7~1.3
Zr	0.700
W	0.500
Ta	0.500
Nb(Take the difference)

Mechanical performance requirement:
R04295 Nb-Hafnium alloy (Specified by the demander)
element		Content ,Max,Weight %
O		0.035
C		0.015
N		0.010
H		0.0015

annealed condition (At least 90% recrystallization):
	ultimate tensile strength,Min Ib/inch2(MPa)	Yield strength, (0.2% residual deformation) lb/in 2 (Mpa)	Elongation at 1 inch (25 mm) gauge length,% minimum
Material:Diameter≤0.050 inches (1.27mm) indoor temperature 2000±25℉(1093±14℃)	56000(386) 21000(145)	42000(276) 16000(110)	20 20
Material:Diameter ≥0.051(1.20mm) Indoor temperature 2000±25℉(1093±14℃)	54000(372) 21000(145)	38000(262) 16000(110)	20 20

Rolling, forging or drawing round cross-section bar and wire rod size allowable deviation:
Diameter, inch (mm)		allowable deviation, + or - ，inch （mm）
≥0.020～0.030(0.51～0.76)		0.00075(0.019)
≥0.030～0.060(0.76～1.52)		0.001(0.025)
≥0.060～0.090(1.52～2.29)		0.0015(0.038)
≥0.090～0.125(2.29～3.19)		0.002(0.051)
≥0.125～0.187(3.19～4.75)		0.003(0.076)
≥0.187～0.375(4.75～9.52)		0.004(0.102)
≥0.375～0.500(9.52～12.7)		0.005(0.127)
≥0.500～0.625(12.7～16.9)		0.007(0.178)
≥0.625～0.750(16.9～19.1)		0.008(0.203)
≥0.750～1.000(19.1～25.4)		0.010(0.254)
≥0.750～1.000(19.1～25.4)		0.015(0.381)
≥1.500～2.000(38.1～50.8)		0.020(0.508)
≥2.000～2.500(50.8～63.5)		0.030(0.762)

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