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Niobium rod

Category:

stick

Product Description

Niobium rods

(1). Chemical composition

Grade	Chemical composition, %, not greater than
Grade	Fe	Yes	Mo	W	Ti	Cr	They	Ni	O	C	H	N	Note
Nb1	0.005	0.005	0.010	0.010	0.002	0.002	0.10	0.005	0.020	0.020	0.001	0.01	Margin
Nb2	0.01	0.005	0.010	0.020	0.005	0.005	0.25	0.005	0.040	0.030	0.005	0.025	Margin

Note: User has special requirements; both parties shall negotiate and agree accordingly.

(2). Size/tolerance (mm, maximum)

Diameter Diameter	Diameter tolerance Dia tolerance			Length Length	Length tolerance Tolerance
Diameter Diameter	Forged bar As forged	Drawbar As rolled	Car rod As machined	Length Length	Length tolerance Tolerance
3.0~3.5	--	±0.05	--	500~1500	±2
>3.5~4.5	±0.15	--	--	500~1500	±2
>4.5~10	±0.15	--	--	400~1500	±2
>10~13	±0.15	--	--	300~1200	±2
>13~16	±0.20	--	--	200~1500	±2
>16~18	±0.20	--	±0.50	≤600	±2
>18~25	--	--	±0.50	≤600	±2
>25~40	--	--	±0.60	≤600	±2
>40~50	--	--	±0.70	≤600	±2
>50~60	--	--	±0.70	≤600	±2