Stainless Steels

RA 253 MA® - An advanced micro-alloyed austenitic heat resistant alloy. High creep-rupture strength and outstanding oxidation resistance through 2000°F.

	Cr	Ni	Si	C	Mn	P	S	N	Ce	Fe
MIN	20.00	10.00	1.40	0.05	--	--	--	0.14	0.03	Balance
MAX	22.00	12.00	2.00	0.10	0.80	0.04	0.03	0.20	0.08

309 Stainless Steel - Austenitic, oxidation resistant to 1900°F, moderate strength. Useful in reducing sulfidizing atmospheres.

	Cr	Ni	C	P	S	Mn	Fe
MIN	22.0	12.0	-	-	-	-	-
MAX	24.0	15.0	0.08	0.045	0.03	2.0	Balance

310 Stainless Steel - Austenitic heat resistant grade with higher chromium and nickel for oxidation resistance beyond 2000°F. Good sulfidation and hot corrosion resistance.

	Cr	Ni	C	Si	Mn	P	S	Mo	Cu	Fe
MIN	24.0	19.0	-	-	-	-	-	-	-	-
MAX	26.0	22.0	0.08	0.75*	2.0	0.045	0.03	0.75	0.5	Balance

* ASTM specification 1.50 max Si.

Stainless 440C is a high-carbon martensitic stainless steel. As a martensitic stainless steel, 440C is magnetic and can be hardened by heat treatment.

	Cr	C	Mn	Si	Mo	P	S	Fe
MIN	16.0	.095	-	-	-	-	-	-
MAX	18.0	1.2	1.00	1.00	0.75	0.04	0.03	Balance

321 Stainless Steel - A titanium stabilized austenitic stainless commonly used for service in the 1000- 1600°F range.

	Cr	Ni	Mo	Cu	Ti	C	Mn	Si	P	S	N	Fe
MIN	17.0	9.0	-	-	5x(C+N)	-	-	0.25	-	-	-	-
MAX	19.0	12.0	0.75	0.75	0.7	0.08	2.0	1.0	0.04	0.03	0.1	Balance

347 Stainless Steel is a columbium stabilized austenitic stainless useful up to 1600°F.

	Cr	Ni	Cb + Ta	C	Si	Mn	P	S	Fe
MIN	17.0	9.0	Cb 10xc (Cb 8xC)	0.04	-	-		-	-
MAX	19.0	13.0	1.0	0.08	0.75	2.0	0.045	0.03	Balance

17-4 is an age-hardening Martensitic stainless steel. Good strength and corrosion resistance. Simple heat treatment.

	Ni	Cr	Mo	Mn	Cu	Si	C	Cb+Ta	S	P	Fe
MIN	3.0	15.0	-	-	3.0	-	-	5 x C	-	-	-
MAX	5.0	17.5	0.50	1.0	5.0	1.0	0.07	0.45	0.03*	0.04*	Balance

*0.025 max

17-4 is an age-hardening Martensitic stainless steel. Good strength and corrosion resistance. Simple heat treatment.

	Ni	Cr	Mo	Mn	Cu	Si	C	Cb+Ta	S	P	Fe
MIN	3.0	15.0	-	-	3.0	-	-	5 x C	-	-	-
MAX	5.0	17.5	0.05	1.0	4.0	1.0	0.07	0.45	0.03*	0.04*	Balance

*0.025 max, AMS 5622

A286 - Precipitation hardenable iron base alloy for continuous use from -320 to 1000°F. Aqueous corrosion resistance similar to 316L stainless. Used for jet engine components, high temperature fasteners and springs. Also used for non-magnetic cryogenic equipment.

	Cr	Ni	Mo	Co	Va	Al	Ti	B	C	Fe	Mn	Si	P	S
MIN	13.5	24.0	1.0	-	0.1	-	1.9	0.003	-	-	-	-	-	-
MAX	16.0	27.0	1.5	1.0	0.5	0.35	2.35	0.01	0.08	Balance	2.0	1.0	0.025	0.025

304H is an 18-8 stainless with elevated carbon and coarser grain structure to increase high temperature strength. Useful up to 1500°F.

	Cr	Ni	C	Mn	Si	P	S	Fe
MIN	18.0	8.0	0.04	-	-	-	-	-
MAX	20.0	10.5	0.08	2.0	0.75	0.04	0.03	Balance

304/304L is an austenitic stainless steel; low carbon for as-welded corrosion resistance.

	Ni	Cr	Mn	Si	C	S	P	N	Fe
MIN	8.0	18.0	-	-	-	-	-	-	-
MAX	10.5	20.0	2.0	0.75	0.03	0.03	0.045	0.10	Balance

316/316L Stainless Steel - Molybdenum alloyed austenitic stainless. The most popular chemical-process grade.

	Ni	Cr	Mo	Mn	Si	C	S	P	N	Fe
MIN	10.0	16.0	2.0	-	-	-	-	-	-	-
MAX	14.0	18.0	3.0	2.0	0.75	0.03	0.03	0.045	0.1	Balance

410 Stainless Steel is a hardenable 12 chromium martensitic.

	Cr	Mn	Ni	C	Si	P	S	Fe
MIN	11.5	-	-	0.08	-	-	-	-
MAX	13.5	1.0	0.75	0.15	1.0	0.04	0.03	Balance

Alloy 410S stainless steel is a low carbon modification of Type 410 stainless steel.

	Cr	C	N	Mn	Si	P	S	Fe
MIN	11.5	-	-	-	-	-	-	-
MAX	13.5	0.08	0.6	0.08	1.0	0.04	0.03	Balance

446 Stainless Steel is a high chromium ferritic alloy with excellent oxidation and sulfidation resistance. Low strength.

	Cr	C	N	Mn	Si	P	S	Fe
MIN	23.0	-	-	-	-	-	-	-
MAX	27.0	0.15	0.25	1.5	1.0	0.04	0.03	Balance

317L/317 Stainless Steel - An austenitic stainless steel with increased molybdenum content for improved pitting resistance.

	Ni	Cr	Mo	Mn	Si	C	N	S	P	Fe
MIN	11.0	18.0	3.0	-	-	-	-	-	-	-
MAX	15.0	20.0	4.0	2.0	0.75	0.03	0.1	0.03	0.045	Balance

303 is an "18-8" chromium-nickel stainless steel modified by the addition of selenium or sulphur, as well as phosphorus, to improve machinability and non-seizing properties..

	Cr	Ni	C	Mn	P	S	Si	Fe
MIN	17.0	8.0	-	-	-	0.15	-	-
MAX	19.0	10.0	0.15	2.0	0.2	-	1.0	Balance

RAM 303 contains 0.30% minimum sulfur for enhanced machinability, substantially higher than the 0.15% minimum required by ASTM

PRODEC® 303 - Rolled Alloys Machining grade of 303 stainless steel is a fully resulfurized free-machining austenitic stainless steel melted and processed to maximize machinability..

	Cr	Ni	C	Mn	P	S	Si	Fe
MIN	17.0	8.0	-	-	-	0.3	-	-
MAX	19.0	10.0	0.15	2.0	0.2	-	1.0	Balance

Prodec® 303 contains 0.30% minimum sulfur for enhanced machinability, substantially higher than the 0.15% minimum required by ASTM

Prodec® 304L - Rolled Alloys Machining grade of 304/L stainless steel for improved machinability and outstanding uniformity..

	Cr	Ni	C	Mn	P	S	Si	Fe
MIN	18.0	8.0	-	-	-	0.015	-	-
MAX	20.0	11.0	0.03	2.0	0.045	0.03	0.75	Balance

PRODEC® 316/316L - Rolled Alloys Machining grade of 316/L stainless steel for improved machinability and outstanding uniformity..

	Cr	Ni	C	Mn	P	S	Si	Mo	N	Fe
MIN	16.0	10.0	-	-	-	0.015	-	2.0	-	-
MAX	18.0	14.0	0.03	2.0	0.04	0.03	0.75	3.0	0.1	Balance

PRODEC® 17-4 is an enhanced machining version of 17-4 stainless PH. Trials have shown PRODEC 17-4 to provide up to 30% faster machining speeds without sacrificing tool life when compared to standard 17-4.

	Ni	Cr	Mo	Mn	Cu	Si	C	Cb+Ta	S	P	Fe
MIN	3.0	15.0	-	-	3.0	-	-	5 x C	-	-	-
MAX	5.0	17.5	0.50	1.0	5.0	1.0	0.07	0.45	0.03	0.04	balance

15-5 is an age hardening Martensitic stainless steel.

	Ni	Cr	Mn	Cu	Si	Cb+Ta	C	P	S	Fe
MIN	3.5	14.0	-	2.5	-	0.15	-	-	-	-
MAX	5.5	15.5	1.0	4.5	1.0	0.45	0.07	0.04	0.03	Balance

Rolled Alloys offers 13-8 round bar in stock and available online. Martensitic PH stainless with high strength, hardness, superior toughness and good corrosion resistance.

	Ni	Cr	Mo	C	P	S	Si	Mn	N	Al	Fe
MIN	7.5	12.25	2.0	-	-	-	-	-	-	0.90	-
MAX	8.5	13.25	2.5	0.05	0.01	0.008	0.1	0.2	0.1	1.35	Balance

N-50 - High strength and good corrosion resistance. Nearly 2X strength of 304 & 316 with better corrosion resistance than 317L.

	Ni	Cr	Mo	Mn	Si	C	N	S	P	Cb	V	Fe
MIN	11.5	20.5	1.5	4.0	-	-	0.2	-	-	0.1	0.1	-
MAX	13.5	23.5	3.0	6.0	1.0	0.06	0.4	0.03	0.045	0.3	0.3	Balance

N-60 - Excellent galling resistance at high temperatures. Used for fasteners and pins.

	Ni	Cr	Mn	Si	C	N	S	P	Fe
MIN	8.0	16.0	7.0	3.5	-	0.08	-	-	-
MAX	9.0	18.0	9.0	4.5	0.10	0.18	0.03	0.06	Balance