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Machined R04210 Nb1 Nb2 ASTM B392 Niobium Rod Bar

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R04200 R04210 Nb1 Nb2 ASTM B392 Niobium bars rods

Quick Details

Place of Origin:	baoji	Brand Name:	Ronghao	Model Number:	R04200 R04210 Nb1 Nb2
Application:	thermal protection and structural material of spaceflight and aviatio	Shape:	bar rod	Material:	Niobium
Dimensions:	Dia.3mm-100mm	Chemical Composition:	purity:>99.95%	Technical requirements:	GB/T14842,ASTM B392
method:	hot rolled or forged or machined	condition:	annealed	certificate:	ISO9001:2008

R04200 R04210 Nb1 Nb2 ASTM B392 Niobium bars rods

1. Dimensions and tolerances

Designation	Processing method	d(mm)	Diameter tolerance (mm)				classification
Designation	Processing method	d(mm)	Sintering	forging(black)	Flattening(black)	Grinding or machining	classification
	sintering polishing grinding cold rotary swaging forging	3.0~3.5	±0.05	±0.05	—	500~1500	±5
		>3.5~4.5	±0.07	±0.07	—	500~1500	±5
Nb1		>4.5~10.0	±0.10

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