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 |
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 |
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 |
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 |
.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 |
.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 |
.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 |
.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 |
.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 |
.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 |
.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 |
.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 |
.29 |
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Stainless Steel 300 Series Inventory
| # | Description | Grade | Temper | Finish | Dimensions | Add to quote |
|---|---|---|---|---|---|---|
| 1 | Stainless Flatbar 3/4" x 4" x 12-14' | 316L | – | HRAP | 3/4" x 4" x 12-14' |
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| 2 | Stainless Flatbar 3/4" x 6" x 12-14' | 316L | – | HRAP | 3/4" x 6" x 12-14' |
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| 3 | Stainless Flatbar 1" x 1-1/4" x 12-14' | 316L | – | HRAP | 1" x 1-1/4" x 12-14' |
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| 4 | Stainless Flatbar 1" x 1-1/2" x 12-14' | 316L | – | HRAP | 1" x 1-1/2" x 12-14' |
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| 5 | Stainless Flatbar 1" x 2" x 12-14' | 316L | – | HRAP | 1" x 2" x 12-14' |
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| 6 | Stainless Flatbar 1" x 2-1/2" x 12-14' | 316L | – | HRAP | 1" x 2-1/2" x 12-14' |
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| 7 | Stainless Flatbar 1" x 3" x 12-14' | 316L | – | HRAP | 1" x 3" x 12-14' |
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| 8 | Stainless Flatbar 1" x 4" x 12-14' | 316L | – | HRAP | 1" x 4" x 12-14' |
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| 9 | Stainless Flatbar 1-1/4" x 1-1/2" x 12-14' | 316L | – | HRAP | 1-1/4" x 1-1/2" x 12-14' |
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| 10 | Stainless Flatbar 1-1/4" x 3" x 12-12' | 316L | – | HRAP | 1-1/4" x 3" x 12-12' |
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| 11 | Stainless Flatbar 1-1/4" x 4" x 12-14' | 316L | – | HRAP | 1-1/4" x 4" x 12-14' |
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| 12 | Stainless Flatbar 1-1/2" x 2" x 12-14' | 316L | – | HRAP | 1-1/2" x 2" x 12-14' |
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| 13 | Stainless Flatbar 1-1/2" x 2-1/2" x 12-14' | 316L | – | HRAP | 1-1/2" x 2-1/2" x 12-14' |
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| 14 | Stainless Flatbar 1-1/2" x 3" x 12-14' | 316L | – | HRAP | 1-1/2" x 3" x 12-14' |
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| 15 | Stainless Hex Bar 1/4" x 12-14' | 303 | – | CD | 1/4" x 12-14' |
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| 16 | Stainless Hex Bar 5/16" x 12-14' | 303 | – | CD | 5/16" x 12-14' |
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| 17 | Stainless Hex Bar 7/16" x 12-14' | 303 | – | CD | 7/16" x 12-14' |
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| 18 | Stainless Hex Bar 1/2" x 10-12' | 303 | – | CD | 1/2" x 10-12' |
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| 19 | Stainless Hex Bar 5/8" x 12-14' | 303 | – | CD | 5/8" x 12-14' |
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| 20 | Stainless Hex Bar 1-1/8" x 12-14' | 303 | – | CD | 1-1/8" x 12-14' |
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| 21 | Stainless Hex Bar 1-1/4" x 12-14' | 303 | – | CD | 1-1/4" x 12-14' |
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| 22 | Stainless Hex Bar 3/8" x 10-12' | 304L | – | CD | 3/8" x 10-12' |
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| 23 | Stainless Hex Bar 1/2" x 12-14' | 304L | – | CD | 1/2" x 12-14' |
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| 24 | Stainless Hex Bar 3/4" x 12-14' | 304L | – | CD | 3/4" x 12-14' |
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| 25 | Stainless Hex Bar 1" x 12-14' | 304 | – | CD | 1" x 12-14' |
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| 26 | Stainless Hex Bar 1-1/4" x 10-14' | 304 | – | CD | 1-1/4" x 10-14' |
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| 27 | Stainless Hex Bar 1-1/2" x 10-14' | 304 | – | CD | 1-1/2" x 10-14' |
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| 28 | Stainless Hex Bar 1-1/8" x 12' | 316L | – | CD | 1-1/8" x 12' |
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| 29 | Stainless Hollow Bar 3.15" x 1.97" | 316L | – | HRAP | 3.15" x 1.97" |
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| 30 | Stainless Hollow Bar 3.74" x 1.97" | 316L | – | HRAP | 3.74" x 1.97" |
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| 31 | Stainless Pipe SMLS 1/8" x Sch40 x 20' | 304 | – | Seamless | SMLS 1/8" x Sch40 x 20' |
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| 32 | Stainless Pipe SMLS .75" NPS x Sch10 | 304 | – | Seamless | SMLS .75" NPS x Sch10 |
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| 33 | Stainless Pipe WLD 4" NPS x Sch5 x 20' | 304L | – | Welded | WLD 4" NPS x Sch5 x 20' |
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| 34 | Stainless Pipe SMLS 1/4 x Sch40 x 20' | 304 | – | Seamless | SMLS 1/4 x Sch40 x 20' |
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| 35 | Stainless Pipe WLD 1/4" NPS x Sch40 20' | 304L | – | Welded | WLD 1/4" NPS x Sch40 20' |
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| 36 | Stainless Pipe WLD 3/8 x Sch40 x 20' | 304L | – | Welded | WLD 3/8 x Sch40 x 20' |
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| 37 | Stainless Pipe SMLS 1/8" NPS x Sch80 x 20' | 304 | – | Seamless | SMLS 1/8" NPS x Sch80 x 20' |
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| 38 | Stainless Pipe SMLS 1" NPS x Sch10 | 304 | – | Seamless | SMLS 1" NPS x Sch10 |
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| 39 | Stainless Pipe WLD 1.250 NPS x Sch10 x 20' | 304 | – | Welded | WLD 1.250 NPS x Sch10 x 20' |
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| 40 | Stainless Pipe WLD 3/4" NPS x Sch40S x 20-22' | 304 | – | Welded | WLD 3/4" NPS x Sch40S x 20-22' |
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| 41 | Stainless Pipe WLD 4" x Sch10 x 20' | 304L | – | Welded | WLD 4" x Sch10 x 20' |
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| 42 | Stainless Pipe 4" NPS x Sch10 x 20-24' | 304 | – | – | 4" NPS x Sch10 x 20-24' |
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| 43 | Stainless Pipe WLD 6" NPS x Sch10S x 20-22' | 304 | – | Welded | WLD 6" NPS x Sch10S x 20-22' |
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| 44 | Stainless Pipe WLD 1/2" x Sch80 x 20' | 304 | – | Welded | WLD 1/2" x Sch80 x 20' |
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| 45 | Stainless Pipe WLD 1/2" NPS x Sch80S x 20-22' | 304 | – | Welded | WLD 1/2" NPS x Sch80S x 20-22' |
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| 46 | Stainless Pipe WLD 3/4" x Sch80 x 20' | 304 | – | Welded | WLD 3/4" x Sch80 x 20' |
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| 47 | Stainless Pipe WLD 3/4" NPS x Sch80 x 20-24' | 304 | – | Welded | WLD 3/4" NPS x Sch80 x 20-24' |
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| 48 | Stainless Pipe WLD 10" NPS x Sch10S x 20-22' | 304 | – | Welded | WLD 10" NPS x Sch10S x 20-22' |
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| 49 | Stainless Pipe SMLS 2" x Sch80 x 20' | 304L | – | Seamless | SMLS 2" x Sch80 x 20' |
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| 50 | Stainless Pipe WLD 2" NPS x Sch80S x 20-22' | 304 | – | Welded | WLD 2" NPS x Sch80S x 20-22' |
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|
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