Pure niobium bar with astmb392 standard in polished surface

CLASSIFICATION

Pure niobium bar with astmb392 standard in polished surface

Categories	Niobium Bars
Brand	MMR Parts Processing \| Custom Parts Manufacturing
Grade	R04200, R04210
Thickness	5mm - 90mm
Standard	ASTMB392
Technology	Cold-Rolled，Hot rolled(R), Annealed (M)
Condition	Hard, Semi-hard, Mild
Surface	polished surface，black surface
Specifications	Industrial,Aerospace,Medical
FOB port	shanghai,Tianjin
Terms of Payment	L/C, D/A, D/P, Western Union
Update Time	Dec 4,2024

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Detail Information

AS a niobium rod supplier ,all of our niobium round bar we have been strictly inspected and the quality is guaranteed. and we aslo provide cutting nionium bar services . The following are detail informations about our nionium materials.

Grade	R04200, R04210
Standard	ASTMB392
Diamter	5mm - 90 mm
Length	≤2000mm
Technology	Hot-Rolled, Cold-Rolled, Hot forging , Machining
Condition	Hard, Semi-hard, Mild
Surface	Polished surface, Black surface
Specifications	Aerospace, Medical, Industrial

Chemical composition

Element	C	O	N	H	Ta	Mo	Nb	Ni	Si	Ti	W
RO4200(% Max)	0.0035	0.012	0.003	0.0012	0.05	0.005	Bal	0.002	0.004	0.002	0.005
RO4210(% Max)	0.0050	0.015	0.008	0.0015	0.07	0.01	Bal	0.005	0.01	0.004	0.02

Physical properties

Grade	Diameter	Tensile strength Min (MPa)	Yield strength Min (MPa) (2%Residual strain)	Elongation Min (%) (25.4mm Gage)

RO4200(% Max),RO4210(% Max)	5mm～90mm	125	85	25

Tolerance (mm)

Diamater	diamter tolerance	length tolerance
Diamater	diamter tolerance	length tolerance
5～6	±0.05	±2.0
7～10	±0.10	±2.0
11～16	±0.15	±2.0
17～18	±0.15	±2.0
18～25	±0.30	±2.0
26～40	±0.50	±2.0
41～50	±0.60	±2.0
51～65	±0.70	±2.0
66～90	±1.00	±2.0