Carbon and Sulfur in Metals 

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Last Updated: 10/28/2025

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                           Steel Ring Standards for Carbon/Sulfur

Part No#	17034	17025	Size	% Carbon	Std Deviation	Expanded Deviation	% Sulfur	Std Deviation	Expanded Deviation	Lot #	Weight
AR867			1g	0.150	0.003	0.006	0.107	0.002	0.004	223G	454g
AR868	‎		1g	0.108		0.006	0.0016		0.0007	240529	454g
AR869			1g	0.020	0.001	0.003	0.0023	0.0002	0.0005	​​​​​​​723E	454g
AR870			1g	0.0156		0.0024	0.0224		0.0014	250116	454g
AR871			1g	0.0617		0.0048	0.0243		0.0026	240729	454g
AR872			1g	0.1680		0.0044	0.0256		0.0025	240925	454g
AR873			1g	0.461		0.016	0.0127		0.0022	240715	454g
AR874			1g	0.658	0.005	0.010	0.0108	0.0002	0.0006	1119A	454g
AR875			1g	0.787	0.006	0.013	0.015	0.001	0.002	​​​​​​​723B	454g
AR876			1g	0.535	0.008	0.018	0.0057	0.0007	0.0014	221C	454g

                                      Steel Pin Standards for Carbon/Sulfur

Part #	17034	17025	Size	% Carbon	Standard Deviation	Expanded Deviation	% Sulfur	Standard Deviation	Expanded Deviation	Lot #	Weight
AR510		‎	0.5g	Sold	Out	Target	Replacement	Date	​​​​​​​December 31	2025	250g
AR511	‎	‎	0.5g	0.051		0.002	0.304		0.021	240429	250g
AR512		‎	0.5g	0.083	0.002	0.005	0.283	0.011	0.023	623Y	250g
AR513	‎	‎	0.5g	0.023	0.002	0.005	0.373	0.010	​​​​​​​0.023	523S	250g
AR514	‎	‎	0.5g	0.087	0.003	0.008	0.335	0.009	0.020	518D	250g
AR881	‎	‎	1g	Sold Out	Estimated	Release	Date	October 31	2025		454g
AR882	‎	‎	1g	0.0585	0.0041		0.0191	0.0017		​​​​​​​240507	454g
AR883	‎	‎	1g	0.2135		0.0042	0.0189		0.0015	241017	454g
AR884	‎	‎	1g	0.483	0.007	0.016	0.0120	0.0005	0.0015	1123G	454g
AR885	‎	‎	1g	0.817		0.025	0.0051		0.0005	240207	454g
AR886	‎	‎	1g	0.727	0.006	0.014	0.022	0.001	0.002	​​​​​​​923S	454g
AR888	‎	‎	1g	0.131	0.001	0.004	0.228	0.005	0.012	​​​​​​​722D	454g
AR889	‎	‎	1g	0.928	0.008	0.018	0.0020	0.0002	0.0005	419J	454g
AR890	‎	‎	1g	0.105	0.003	0.006	0.0048	0.0004	0.0013	​​​​​​​623W	454g
AR891	‎	‎	1g	SOLD	OUT	AND	DISCONTINUED	SEE	AR8780		454g
AR892	‎	‎	1g	0.00729		0.00040	0.00208		0.00028	240725	454g
AR893	‎	‎	1g	1.59	0.03	0.07	0.0012	0.0002	0.0006	​​​​​​​1121Q	454g
AR894	‎	‎	1g	0.568		0.036	0.0033		0.0010	240229	454g
AR895		‎	1g	0.276		0.005	0.0227		0.0019	240610	454g
AR896	‎	‎	1g	0.1522		0.0061	0.104		0.012	240530	454g

            Chip/Powder Standards for Carbon / Sulfur / Nitrogen

Part #	17034	17025	%C	Standard Deviation	Expanded Deviation	%S	Standard Deviation	Expanded Deviation	%N	Standard Deviation	Expanded Deviation	Lot #	Wgt
AR943			0.034		0.005	0.0021		0.0007				240708	50g
AR945	‎	‎	0.0489		0.0033	0.00194		0.00050	0.2943		0.0086	250118	150g
AR947	‎	‎	0.385	0.003	0.007	0.104	0.001	0.003	0.0103	0.0003	0.0007	620B	150g
AR948	‎	‎	0.490		0.013	0.0761		0.0077	0.0099		0.0004	241105	150g
AR949	‎	‎	0.015		0.003	0.029		0.003	0.0384		0.0038	240123	150g
AR950	‎	‎	0.0587		0.0040	0.356		0.023	0.0378		0.0012	250312	150g
AR951	‎	‎	0.167	0.002	0.005	0.022	0.001	0.002	0.0100	0.0003	0.0007	123D	150g
AR952	‎	‎	0.462		0.010	0.0235		0.0033	0.0072		0.0006	240226	150g
AR953	‎	‎	0.897	0.013	0.029	(0.0006)			0.0048	0.0003	0.0007	823H	150g
AR954	‎	‎	0.417	0.003	0.007	0.027	0.001	0.003	0.0083	0.0003	0.0008	218B	150g
AR955	‎		0.212		0.006	0.0244		0.0038	0.0069		0.0007	231211	150g
AR956	‎	‎	0.455	0.004	0.010	0.274	0.005	0.013	0.0061	0.0001	0.0003	423K	150g
AR957	‎	‎	0.175	0.004	0.008	0.108	0.002	0.005	0.0113	0.0002	0.0006	623A	150g
AR958		‎	0.0172	0.0016	0.0036	0.0227	0.0008	0.0017	0.0759	0.0018	0.0039	819B	150g
AR960		‎	Sold	Out	Targeted	Replacement	Date	August 30	2024			814B	150g
AR961		‎	0.0198	0.0021	0.0047	0.0174	0.0019	0.0042	0.0462	0.0017	0.0038	240124	150g

                 Cast Iron thru Wrought Iron Standards for Carbon/Sulfur

Part #	17034	17025	% Carbon	Standard Deviation	Expanded Deviation	% Sulfur	Standard Deviation	Expanded Deviation	Lot #	Weight
AR299			0.97	0.01	0.02	0.0102	0.0015	0.0030	614B	150g
AR300			3.29	0.01	0.04	0.021	0.002	0.005	​​​​​​​722W	150g
AR301			2.05	0.04	0.08	0.018	0.001	0.002	723D	150g
AR302			3.31	0.02	0.05	0.0203	0.0004	0.0011	620C	150g
AR303			3.88	0.03	0.07	0.021	0.001	0.003	422G	150g
AR304			4.22	0.03	0.06	0.022	0.001	0.003	​​​​​​​822F	150g
AR305			2.77	0.03	0.08	0.018	0.001	​​​​​​​0.003	123B	150g
AR306			3.48	0.04	0.09	0.0211	0.0014	0.0031	240206	150g
AR308			Sold Out	and	Discontinued					100g
AR309			3.67	0.01	0.03	0.021	0.001	0.002	422J	150g
AR310			3.41	0.02	0.05	0.074	0.003	0.006	823N	150g
AR315			3.08	0.03	0.07	0.108	0.004	0.010	220H	150g
AR318			2.97	0.03	0.06	0.041	0.002	0.003	​​​​​​​722E	150g
AR319			3.28	0.03	0.06	0.055	0.003	0.006	113001	150g
AR322			Sold Out	and	Discontinued					250g
AR323			Discontinued	See	AR310	for	Available	Alternative		250g
AR673			0.0004	0.0001	0.0003	0.0011	0.0001	0.0003	223E	454g

                      Titanium and Zirconium Pin CRM's for Hydrogen/Carbon

Part #	17034	17025	Size	Matrix	%H	Standard Deviation	Expanded Deviation	%C	Standard Deviation	Expanded Deviation	Lot#	Pieces per  Bottle
AR582			0.25	Ti	0.0042		0.0012	0.0054		0.0028	240809	100
AR585			0.25g	Ti	0.0081	0.0007	0.0015	0.007	0.001	0.002	1021P	100
AR586			0.25g	Ti	0.0016	0.0002	0.0005	0.019	0.001	0.002	​​​​​​​722T	100
AR587			0.25g	Ti	0.0104		0.0012	0.0082		0.0017	240415	100
AR588			0.25g	Ti	0.0178		0.0019	0.0091		0.0030	240531	100
AR589			0.25g	Ti	0.0241		0.0027	0.0116		0.0020	240417	100
AR590			0.25	Zr	0.0023		0.0003	0.0046		0.0010	250219	100
AR591			0.25	Ti	Discontinued	Until	Further	Notice				100
AR592			0.25g	Ti	0.0365		0.0042	0.0094		0.0033	240412	100
AR594			0.25g	Ti	0.0003	0.0001	0.0002	0.020	0.001	0.003	220K	100

    Copper Pins CRM's for Sulfur/Oxygen

Part #	17034	17025	Size	% Oxygen	Standard Deviation	Expanded Uncertainty	% Sulfur	Standard Deviation	Expanded Uncertainty	Lot #	Pieces per Bottle
AR145			1g	0.0187	0.0002	0.0005				​​​​​​​823M	100
AR146			1g	0.02466		0.00055				240906	100
AR147			1g	0.0007	0.0001	0.0003				​​​​​​​523T	100
AR148			1g	SOLD	OUT	AND	DISCONTINUED	SEE AR149	OR AR676		100
AR149			1g	0.0286	0.0008					1123J	100