Niobium Plate, Sheet, Foil
Thickness（mm） Width（mm） Length（mm）
Foil 0.1∽0.2 30∽100 100∽800
Sheet（Strip） 0.2∽0.5 30∽300 300∽2500
board 0.5∽10 50∽600 600∽2500
Standard：ASTM B393-09，Special requirements to be agreed on by the supplier and buyer.
Table 3 Mechanical Properties
Grade Tensile strength
≥MPa Yield Strength
≥MPa Elongation，≥%
≥0.01 ＜0.01
RO4200 125 73
20
15
Standard：ASTM B393-09, Special requirements to be agreed on by the supplier and buyer.
Table 4 Tolerance
Thickness
mm Thickness tolerance ±，mm Width tolerance，mm Length tolerance，mm
＜152 152∽609.6 ＜152 152∽609.6 ≤304.8 ＞304.8
0.10∽1.0 0.01∽0.05 0.05∽0.10 0.50∽0 1∽0 ＋1 0 ＋2 0
1.00∽5.0 0.05∽0.10 0.10∽0.20 0.40∽0 1∽0 ＋1 0 ＋2 0
5.0∽10.0 0.10∽0.20 0.20∽0.50 0.40∽0 1∽0 ＋1 0 ＋2 0
10.0∽15.0 0.20∽0.50 0.20∽0.50 0.40∽0 1∽0 ＋1 0 ＋2 0
Standard：ASTM B393-09，Special requirements to be agreed on by the supplier and buyer.
