ASTM E367 : 02

Standard Methods for Chemical Analysis of Ferrocolumbium

Standard Details

1.1 These methods cover the chemical analysis of ferrocolumbium having chemical compositions within the following limits:

Element	Concentration, %

Aluminum	2.00 max
Carbon	0.30 max
Chromium	2.00 max
Cobalt	0.25 max
Niobium	40.00 to 75.00
Lead	0.01 max
Manganese	3.00 max
Phosphorus	0.05 max
Silicon	4.00 max
Sulfur	0.03 max
Tantalum	7.00 max
Tin	0.15 max
Titanium	5.00 max
Tungsten	0.50 max

1.2 The methods appear in the following order:

	Sections

Niobium, Tantalum, and Titanium by the
Ion-Exchange Method	9-30

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 5.