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Alloys

Stainless Steel Chemical Composition

United Industries offers a wide variety of stainless and corrosion resistant alloys for superior strength, bend ability, temperature requirements and longevity.

Austentic

ELEMENTS	T201	T301	T304L	T309S	T316L	T321
(C) Carbon, max	0.15	0.15	0.035	0.08	0.035	0.08
(Mn)Manganese, max	5.50-7.5	2.00	2.00	2.00	2.00	2.00
(P) Phosphorus, max	0.06	0.045	0.045	0.045	0.045	0.045
(S)Sulphur, max	0.030	0.030	0.030	0.030	0.030	0.030
(Si)Silicon, max	1.00	1.00	1.00	0.75	1.00	1.00
(Cr)Chromium	16.0-18.0	16.0-18.0	18.0-20.0	22.0-24.0	16.0-18.0	17.0-19.0
(Ni) Nickel	3.5-5.5	6.0-8.0	8.0-12.0	12.0-15.0	10.0-15.0	9.0-12.0

Ferritic

ELEMENTS	T409	T439	T44HP	T444	18CRCB
(C) Carbon, max	0.03	0.03	0.009	0.025	0.03
(Mn)Manganese, max	1.00	1.00	0.35	1.00	1.00
(P) Phosphorus, max	0.04	0.04	0.023	0.04	0.04
(S)Sulphur, max	0.02	0.03	0.002	0.03	0.03
(Si)Silicon, max	1.00	1.00	0.34	1.00	1.00
(Cr)Chromium	10.50-11.70	17.0-19.0	18.00	17.50-19.50	17.50-19.50
(Ni) Nickel, max	0.05	0.05	0.30	1.00	1.00

6-Moly

	(C) Carbon, max	(Cr)Chromium	(Ni) Nickel	Moly	Cu	N	PREN	UNS
254-SMO	0.02	19.5	17.5	6	0.5	0.2	43	S31254
Ultra-6XN	0.03	20	24	6	0.75	0.2	45	N08367
AL-6XN®	0.03	20	24	6	0.75	0.2	45	N08367

High Nickel

	(C) Carbon, max	(Cr)Chromium	(Ni) Nickel	Moly	Cu	PREN	UNS
Alloy 625	0.1	20	58	8	-	50	N06625
Alloy 22	0.015	20	56	12.5	-	64	N06022
C276®	0.01	16	57	16	0.05	68	N10276

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