101.5 - Gases in Ferrous Metals (rod and disk form)

These SRMs are intended for determining oxygen and nitrogen by vacuum fusion, inert gas fusion, and neutron activation methods.

For further information see SP 260-14

PLEASE NOTE: The tables are presented to facilitate comparisons among a family of materials to help customers select the best SRM for their needs. For specific values and uncertainties, the certificate is the only official source.

- Certified values are normal font
- Reference values are italicized
- Values in parentheses are for information only

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					Elemental Composition (mass fraction, in mg/kg)
	SRM	Description	Unit of Issue		Hydrogen	Nitrogen	Oxygen
	1089† Now Selling	Steels, Set (consists of SRMs 1095, 1096, 1097, 1098 and 1099)	5 rods		5 levels	2 levels (3 levels)	5 levels
	1090 Now Selling	Oxygen in Ingot Iron	rod			60	491
	1091a Now Selling	Oxygen in Stainless Steel (AISI 431)	rod			876	132.2
	1093 Now Selling	Oxygen in Valve Steel	rod				60
	1094 Now Selling	Oxygen in Maraging Steel	rod			71	4.5
	1754 Now Selling	Low-Alloy Steel, AISI 4320	rod			81	24
	1755 Now Selling	Nitrogen in Low Alloy Steel	disk			118.4

†	These SRMs are sold only as a set designated SRM 1089.