ASTM B977/B977M-19,Standard Specification for Titanium and Titanium Alloy Ingots.ASTM B977/B977M-19 pdf free download.
This specification covers titanium and titanium alloy ingots. The chemical requirements and permissible variations in product analysis are specified. This standard does not claim to address all of the safety concerns, if any, associated with its use.
Referenced Documents
ASTM E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications;
ASTM E178 Practice for Dealing With Outlying Observations;
ASTM E539 Test Method for Analysis of Titanium Alloys by Wavelength Dispersive X-Ray Fluorescence Spectrometry;
ASTM E1409 Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by Inert Gas Fusion;
6. Chemical Composition
6.1 The chemistry of titanium and titanium alloy ingot covered by this specification shall conform to the requirements for the specified grade as prescribed in Table 1.
6.1. I The elements listed for each grade in Table I are intentional alloy additions or elements that are inherent to the manufacture of titanium sponge or ingot.
6.1.2 Elements intentionally added to the melt, including lyzed and reported in the chemical analysis Elements not listed in Table I for the specified grade shall not be required.
6.1.3 When agreed upon by the producer and purchaser and requested by the purchaser in the written purchase order chemical analysis shall be completed for specific elements not listed in this specification.
