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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Stainless Steel 300 Series Inventory

# Description Grade Temper Finish Dimensions Add to cart
1 Stainless Sheet BA 20ga x 48" x Coil 304 Brite Annealed BA 20ga x 48" x Coil Add to cart Add to cart
2 Stainless Sheet L BA 20ga x 48" x Coil 304 Brite Annealed L BA 20ga x 48" x Coil Add to cart Add to cart
3 Stainless Sheet BA 20ga x 48" x 96" 304 Brite Annealed BA 20ga x 48" x 96" Add to cart Add to cart
4 Stainless Sheet L BA 20ga x 48" x 96" 304 Brite Annealed L BA 20ga x 48" x 96" Add to cart Add to cart
5 Stainless Sheet BA 20ga x 48" x 120" 304 Brite Annealed BA 20ga x 48" x 120" Add to cart Add to cart
6 Stainless Sheet L BA 20ga x 48" x 120" 304 Brite Annealed L BA 20ga x 48" x 120" Add to cart Add to cart
7 Stainless Sheet BA 20ga x 48" x 144" 304 Brite Annealed BA 20ga x 48" x 144" Add to cart Add to cart
8 Stainless Sheet L BA 20ga x 48" x 144" 304 Brite Annealed L BA 20ga x 48" x 144" Add to cart Add to cart
9 Stainless Sheet BA/BUFF 20ga x 48" x 120" 304 Brite Annealed BA/BUFF 20ga x 48" x 120" Add to cart Add to cart
10 Stainless Sheet 20ga x 48" x 96" 304 PERF 20ga x 48" x 96" Add to cart Add to cart
11 Stainless Sheet 20ga x 48" x 98-1/2" 304 PERF 20ga x 48" x 98-1/2" Add to cart Add to cart
12 Stainless Sheet 20ga x 48" x 120" 304 PERF 20ga x 48" x 120" Add to cart Add to cart
13 Stainless Sheet 20ga x 48" x 144" 304 PERF 20ga x 48" x 144" Add to cart Add to cart
14 Stainless Sheet 20ga x 48" x 96" 304 X10 20ga x 48" x 96" Add to cart Add to cart
15 Stainless Sheet 20ga x 48" x 120" 304 X10 20ga x 48" x 120" Add to cart Add to cart
16 Stainless Sheet 20ga x 48" x 144" 304 X10 20ga x 48" x 144" Add to cart Add to cart
17 Stainless Sheet 20ga x 30" x 96" 304 X4 20ga x 30" x 96" Add to cart Add to cart
18 Stainless Sheet 20ga x 30" x 120" 304 X4 20ga x 30" x 120" Add to cart Add to cart
19 Stainless Sheet 20ga x 30" x 144" 304 X4 20ga x 30" x 144" Add to cart Add to cart
20 Stainless Sheet 20ga x 33-1/2" x 48" 304 X4 20ga x 33-1/2" x 48" Add to cart Add to cart
21 Stainless Sheet 20ga x 36" x Coil 304 X4 20ga x 36" x Coil Add to cart Add to cart
22 Stainless Sheet 20ga x 36" x 96" 304 X4 20ga x 36" x 96" Add to cart Add to cart
23 Stainless Sheet 20ga x 36" x 96" 304L X4 20ga x 36" x 96" Add to cart Add to cart
24 Stainless Sheet 20ga x 36" x 120" 304 X4 20ga x 36" x 120" Add to cart Add to cart
25 Stainless Sheet 20ga x 36" x 120" 304L X4 20ga x 36" x 120" Add to cart Add to cart
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