Stainless Steel 300 Series Grades

ALLOY / UNS	DESCRIPTION	C MAX	NI	CR	MN	OTHER	DENSITY
301 S30100	Chromium nickel steel capable of attaining high tensile strength and ductility by moderate or severe cold working.	0.15	6.0-8.0	16.0-18.0	18.0 2.0 Max	P .045 Max S .03 Max Si 1.0 Max	0.29
301LN S30153	301LN is a higher nitrogen content version of 301L to compensate for the lower carbon.	0.03	6.0-8.0	16.5-18.5	2.0 Max	P .045 Max S .03 Max S 1.0 Max	0.29
303 S30300	Free machining grade (sulfur added) with good machinability, corrosion resistance and strength.	0.15	8.0-10.0	17.0-19.0	2.0 Max	P .20 Max Si 1.0 Max S .15 Min	0.282
304 S30400	Low carbon chromium nickel stainless and heat resisting steel somewhat superior to Type 302 in corrosion resistance.	0.08	8.0-10.5	18.0-20.0	2.0 Max	P .045 Max S .03 Max Si 1.0 Max	0.29
304H S30409	Controlled carbon grade of 304 for increased strength at operating temperatures above 800 degrees Fahrenheit.	.04-1.0	8.0-10.5	18.0-20.0	2.0 Max	P .04 Max Si 1.0 Max S .03 Max	.285
304L S30403	Very low carbon chromium nickel steel with general corrosion resistance similar to Type 304 but with superior resistance to intergranular corrosion following welding or stress relieving.	.03	8.0-12.0	18.0-20.0	2.0 Max	P .045 Max S .03 Max Si 1.0 Max	.29
309 S30900	High corrosion-resistant, chromium nickel grade with carbon limited to .08	.08	12.0-15.0	22.0-24.0	2.0 Max	P .045 Max S .03 Max Si 1.0 Max	.29
309S S30908	Controlled carbon version of 309. 309S maintains corrosion resistance at higher operating temperatures.	.08	12.0-15.0	22.0-24.0	2.0 Max	P .045 Max Si 1.0 Max S .03 Max	.29
310 S31000	Similar to 309 with higher resistance to corrosion and oxidation at elevated temperatures.	.25	19.0-22.0	24.0-26.0	2.0 Max	P .045 Max S .03 Max Si 1.50 Max	.29
310S S31008	Maintains good strength and corrosion resistance at higher operating temperatures.	.08	19.0-22	24.00-26.00	2.0 Max	P .045 Max S .030 Max Si 1.50 Max	.29
316 S31600	Chromium nickel stainless and heat resisting steel with superior corrosion resistance to other chromium nickel steels when exposed to many types of chemical corrodents; superior creep strength at elevated temperatures.	.08	10.0-14.0	16.0-18.0	2.0 Max	P .045 Max S .03 Max Si 1.0 Max Mo 2.0-3.0	.29
316L S31603	Low carbon chromium nickel stainless steel with general corrosion resistance similar to Type 316 but with superior resistance to intergranular corrosion following welding or relieving. It is recommended for use in parts which are fabricated by welding and cannot be subsequently annealed.	.03	10.0-14.0	16.0-18.0	2.0 Max	P .045 Max S .03 Max Si 1.0 Max Mo 2.0-3.0	.29
321 S32100	Chromium nickel steel containing titanium. Recommended for parts fabricated by welding which cannot be subsequently annealed. Also recommended for parts to be used at temperatures between 800°F and 1850°F.	.08	9.0-12.0	17.0-19.0	2.0 Max	P .045 Max S .03 Max Si 1.0 Max Ti 5xC Min	.29

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HRAP MILL FINISH FH 2B ANN DDQ SLIT & EDGE X4 600 GRIT BLEND S CD SEAMLESS WELDED 180 GRIT CHECKER HRAP ST CG BQ RD HRT BOM RT HRA MF SQ CDX FULL HARD HALF HARD 2D 1/4 HARD BRITE ANNEALED 2B STUCCO EMBOSSED BLACK PREBUFF X10 X8 XLB PERF XL BUFF SUEDE XL4 240 GRIT X4 2 SIDES XL7 XLBH XLBM BLEND S ANNEALED SUPREME 8 22O GRIT 80 GRIT EXP LX XRA X4RA10 XP HH EQ SLG X5 GRIT XB XP EXPANDED L EXP X4RA20 X4RA25 LAS FUS TDL TIG 320 GRIT 316 BLEND "S

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Stainless Steel 300 Series Inventory

#	Description	Grade	Temper	Finish	Dimensions	Add to quote
1	Stainless Square Tube 3" x 1/8" x 20'	316L	–	HRAP	3" x 1/8" x 20'	Add to quote
2	Stainless Square Tube 3" x 3/16" x 20'	316L	–	HRAP	3" x 3/16" x 20'	Add to quote
3	Stainless Square Tube 3" x 1/4" x 20'	316L	–	HRAP	3" x 1/4" x 20'	Add to quote
4	Stainless Square Tube 3-1/2" x 3/16" x 20'	316L	–	HRAP	3-1/2" x 3/16" x 20'	Add to quote
5	Stainless Square Tube 4" x 1/8" x 20'	316L	–	HRAP	4" x 1/8" x 20'	Add to quote
6	Stainless Square Tube 4" x 3/16"	316	–	HRAP	4" x 3/16"	Add to quote
7	Stainless Square Tube 4" x 3/16" x 20'	316	–	HRAP	4" x 3/16" x 20'	Add to quote
8	Stainless Square Tube 4" x 1/4" x 20'	316L	–	HRAP	4" x 1/4" x 20'	Add to quote
9	Stainless Square Tube 4" x 1/4" x 20'	316L	–	X4	4" x 1/4" x 20'	Add to quote
10	Stainless Square Tube LAS FUS 4" x 5/16" x 20'	316L	–	Las Fus	LAS FUS 4" x 5/16" x 20'	Add to quote
11	Stainless Square Tube 4" x 3/8" x 20'	316L	–	HRAP	4" x 3/8" x 20'	Add to quote
12	Stainless Square Tube 4" x 1/2" x 20'	316L	–	HRAP	4" x 1/2" x 20'	Add to quote
13	Stainless Square Tube 5" x 1/4" x 20'	316	–	X4	5" x 1/4" x 20'	Add to quote
14	Stainless Square Tube 6" x 3/16" x 20'	316L	–	HRAP	6" x 3/16" x 20'	Add to quote
15	Stainless Square Tube 6" x 1/4" x 20'	316L	–	HRAP	6" x 1/4" x 20'	Add to quote
16	Stainless Square Tube 6" x 1/2" x 20'	316L	–	HRAP	6" x 1/2" x 20'	Add to quote
17	Stainless Round Tube 1/8" x 1-3/4" x 20'	304	–	X4	1/8" x 1-3/4" x 20'	Add to quote
18	Stainless Round Tube SM 5/32" x .01" x 10'	304	–	Seamless	SM 5/32" x .01" x 10'	Add to quote
19	Stainless Round Tube WD 1/4" x .028" x 20'	304L	–	Welded	WD 1/4" x .028" x 20'	Add to quote
20	Stainless Round Tube WD 1/4" x .035" x 20'	304	–	Welded	WD 1/4" x .035" x 20'	Add to quote
21	Stainless Round Tube WD 5/16" x .02" x 20'	304	–	Welded	WD 5/16" x .02" x 20'	Add to quote
22	Stainless Round Tube WD .314" x .295"	304	–	Welded	WD .314" x .295"	Add to quote
23	Stainless Round Tube WD 3/8" x .035" x 20'	304	–	Welded	WD 3/8" x .035" x 20'	Add to quote
24	Stainless Round Tube SM 3/8" x .049" x 20'	304	–	Seamless	SM 3/8" x .049" x 20'	Add to quote
25	Stainless Round Tube WD 3/8" x .049" x 20'	304	–	Welded	WD 3/8" x .049" x 20'	Add to quote
26	Stainless Round Tube SM 1/2" x .035" x 20'	304	–	Seamless	SM 1/2" x .035" x 20'	Add to quote
27	Stainless Round Tube SM 1/2" x .049" x 20'	304	–	Seamless	SM 1/2" x .049" x 20'	Add to quote
28	Stainless Round Tube 1/2" x .049" x 20'	304	–	X4	1/2" x .049" x 20'	Add to quote
29	Stainless Round Tube WD 1/2" x .065" x 20'	304	–	Welded	WD 1/2" x .065" x 20'	Add to quote
30	Stainless Round Tube 1/2" x .065" x 20'	304	–	X4	1/2" x .065" x 20'	Add to quote
31	Stainless Round Tube SM 5/8" x .049" x 20'	304	–	Seamless	SM 5/8" x .049" x 20'	Add to quote
32	Stainless Round Tube X4 5/8" x .049" x 20'	304	–	Seamless	X4 5/8" x .049" x 20'	Add to quote
33	Stainless Round Tube 5/8" x .065" x 20'	304	–	HRAP	5/8" x .065" x 20'	Add to quote
34	Stainless Round Tube 5/8" x .065" x 20'	304	–	X4	5/8" x .065" x 20'	Add to quote
35	Stainless Round Tube SMLS 5/8" x .12" x 20'	304	–	Seamless	SMLS 5/8" x .12" x 20'	Add to quote
36	Stainless Round Tube SM 3/4" x .035" x 20'	304	–	Seamless	SM 3/4" x .035" x 20'	Add to quote
37	Stainless Round Tube WD 3/4" x .035" x 20'	304	–	Welded	WD 3/4" x .035" x 20'	Add to quote
38	Stainless Round Tube SM 3/4" x .049" x 20'	304	–	Seamless	SM 3/4" x .049" x 20'	Add to quote
39	Stainless Round Tube WD 3/4" x .049" x 20'	304	–	Welded	WD 3/4" x .049" x 20'	Add to quote
40	Stainless Round Tube 3/4" x .049" x 20'	304	–	X4	3/4" x .049" x 20'	Add to quote
41	Stainless Round Tube SM 3/4" x .065" x 20'	304	–	Seamless	SM 3/4" x .065" x 20'	Add to quote
42	Stainless Round Tube 3/4" x .065" x 20'	304	–	TDL	3/4" x .065" x 20'	Add to quote
43	Stainless Round Tube WD 3/4" x .065" x 10'	304	–	Welded	WD 3/4" x .065" x 10'	Add to quote
44	Stainless Round Tube WD 3/4" x .065" x 20'	304	–	Welded	WD 3/4" x .065" x 20'	Add to quote
45	Stainless Round Tube 3/4" x .065" x 20'	304	–	X4	3/4" x .065" x 20'	Add to quote
46	Stainless Round Tube SM 3/4" x .083" x 20'	304	–	Seamless	SM 3/4" x .083" x 20'	Add to quote
47	Stainless Round Tube SM 3/4" x 1/8" x 20'	304	–	Seamless	SM 3/4" x 1/8" x 20'	Add to quote
48	Stainless Round Tube 7/8" x .035" x 20'	304	–	TIG	7/8" x .035" x 20'	Add to quote
49	Stainless Round Tube 7/8" x .049" x 20'	304	–	HRAP	7/8" x .049" x 20'	Add to quote
50	Stainless Round Tube 7/8" x .049" x 20'	304	–	X4	7/8" x .049" x 20'	Add to quote

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