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About Stainless Steel
More
Corrosion-Resistant 316 Stainless Steel
The addition of molybdenum gives 316 stainless steel excellent corrosion resistance. Use it in a variety of marine and chemical-processing applications. It maintains its corrosion resistance up to the maximum temperature.
316/316L stainless steel contains less carbon than standard 316 for better weldability.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Rectangular Tubes

- Yield Strength: Not Rated
- Hardness: Rockwell B90 (Medium)
- Heat Treatment: Annealed (Softened)
- Heat Treatable: No
- Specifications Met: ASTM A554
Outside | Inside | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ht. | Ht. Tolerance | Wd. | Wd. Tolerance | Ht. | Wd. | Fabrication | Max. Temp., °F | Straightness Tolerance | 1/2 ft. Lg. | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
316/316L Stainless Steel | |||||||||||||
0.062" Wall Thick. (-0.006" to 0.006" Tolerance) | |||||||||||||
3/4" | -0.015" to 0.015" | 3/4" | -0.015" to 0.015" | 0.626" | 0.626" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
1 1/2" | -0.020" to 0.020" | 1 1/2" | -0.020" to 0.020" | 1.376" | 1.376" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
0.065" Wall Thick. (-0.007" to 0.007" Tolerance) | |||||||||||||
1" | -0.015" to 0.015" | 1" | -0.015" to 0.015" | 0.87" | 0.87" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
0.12" Wall Thick. (-0.012" to 0.012" Tolerance) | |||||||||||||
1" | -0.020" to 0.020" | 1 1/2" | -0.020" to 0.020" | 0.76" | 1.26" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
1" | -0.020" to 0.020" | 2" | -0.020" to 0.020" | 0.76" | 1.76" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
1" | -0.015" to 0.015" | 1" | -0.015" to 0.015" | 0.76" | 0.76" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
1 1/2" | -0.020" to 0.020" | 1 1/2" | -0.020" to 0.020" | 1.26" | 1.26" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
2" | -0.020" to 0.020" | 2" | -0.020" to 0.020" | 1.76" | 1.76" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
3" | -0.030" to 0.030" | 3" | -0.030" to 0.030" | 2.76" | 2.76" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
0.18" Wall Thick. (-0.018" to 0.018" Tolerance) | |||||||||||||
2" | -0.030" to 0.030" | 4" | -0.030" to 0.030" | 1.64" | 3.64" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
3" | -0.030" to 0.030" | 3" | -0.030" to 0.030" | 2.64" | 2.64" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
1/4" Wall Thick. (-0.025" to 0.025" Tolerance) | |||||||||||||
2" | -0.030" to 0.030" | 4" | -0.030" to 0.030" | 1 1/2" | 3 1/2" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
2" | -0.020" to 0.020" | 2" | -0.020" to 0.020" | 1 1/2" | 1 1/2" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
3" | -0.030" to 0.030" | 3" | -0.030" to 0.030" | 2 1/2" | 2 1/2" | Welded | 1500° | 0.075" per 3 ft. | 0000000 | ||||
4" | -0.030" to 0.030" | 4" | -0.030" to 0.030" | 3 1/2" | 3 1/2" | Welded | 1500° | 0.075" per 3 ft. | 0000000 |
Round Tubes

- Yield Strength:
316 Stainless Steel: 30,000 psi
316/316L Stainless Steel: 25,000 psi - Hardness: Rockwell B80 (Medium)
- Heat Treatment: Annealed (Softened)
- Heat Treatable: No
- Specifications Met: See Table
OD | OD Tolerance | ID | Fabrication | Max. Temp., °F | Straightness Tolerance | Specifications Met | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | 4 ft. Lg. | |
316 Stainless Steel | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
0.035" Wall Thick. (-0.005" to 0.005" Tolerance) | |||||||||||
1/4" | -0.010" to 0.010" | 0.18" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
5/16" | -0.010" to 0.010" | 0.243" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
3/8" | -0.010" to 0.010" | 0.305" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
1/2" | -0.010" to 0.010" | 0.43" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
5/8" | -0.010" to 0.010" | 0.555" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
3/4" | -0.010" to 0.010" | 0.68" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
1" | -0.010" to 0.010" | 0.93" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
0.065" Wall Thick. (-0.01" to 0.01" Tolerance) | |||||||||||
1/4" | -0.010" to 0.010" | 0.12" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
5/16" | -0.010" to 0.010" | 0.183" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
3/8" | -0.010" to 0.010" | 0.245" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
1/2" | -0.010" to 0.010" | 0.37" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
5/8" | -0.010" to 0.010" | 0.495" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
3/4" | -0.010" to 0.010" | 0.62" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
1" | -0.010" to 0.010" | 0.87" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
1 1/4" | -0.023" to 0.023" | 1.12" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
0.12" Wall Thick. (-0.018" to 0.018" Tolerance) | |||||||||||
3/8" | -0.010" to 0.010" | 0.135" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
1/2" | -0.010" to 0.010" | 0.26" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
3/4" | -0.010" to 0.010" | 0.51" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
7/8" | -0.010" to 0.010" | 0.635" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
1" | -0.010" to 0.010" | 0.76" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
1 1/4" | -0.023" to 0.023" | 1.01" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
1 1/2" | -0.023" to 0.023" | 1.26" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
2" | -0.023" to 0.023" | 1.76" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A269 | 000000000 | ||||
0.188" Wall Thick. (-0.026" to 0.026" Tolerance) | |||||||||||
1 1/4" | -0.023" to 0.023" | 7/8" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
1 1/2" | -0.023" to 0.023" | 1 1/8" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
2" | -0.023" to 0.023" | 1 5/8" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
2 1/2" | -0.023" to 0.023" | 2 1/8" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
3" | -0.031" to 0.031" | 2 5/8" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
3 1/2" | -0.031" to 0.031" | 3 1/8" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
1/4" Wall Thick. (-0.031" to 0.031" Tolerance) | |||||||||||
1 1/4" | -0.023" to 0.023" | 3/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
1 1/2" | -0.023" to 0.023" | 1" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
2" | -0.023" to 0.023" | 1 1/2" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
2 1/2" | -0.023" to 0.023" | 2" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
3" | -0.031" to 0.031" | 2 1/2" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
3 1/2" | -0.031" to 0.031" | 3" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 0000000 | ||||
3 3/4" | -0.031" to 0.031" | 3 1/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 0000000 | ||||
4" | -0.031" to 0.031" | 3 1/2" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
5" | -0.031" to 0.031" | 4 1/2" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 0000000 | ||||
3/8" Wall Thick. (-0.047" to 0.047" Tolerance) | |||||||||||
1 1/4" | -0.023" to 0.023" | 1/2" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
1 1/2" | -0.023" to 0.023" | 3/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
2" | -0.023" to 0.023" | 1 1/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
2 1/2" | -0.023" to 0.023" | 1 3/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
3" | -0.031" to 0.031" | 2 1/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
3 1/2" | -0.031" to 0.031" | 2 3/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 0000000 | ||||
4" | -0.031" to 0.031" | 3 1/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
5" | -0.031" to 0.031" | 4 1/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 0000000 | ||||
1/2" Wall Thick. (-0.063" to 0.063" Tolerance) | |||||||||||
2" | -0.023" to 0.023" | 1" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
2 1/2" | -0.023" to 0.023" | 1 1/2" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
3" | -0.031" to 0.031" | 2" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
3 1/2" | -0.031" to 0.031" | 2 1/2" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
3 3/4" | -0.031" to 0.031" | 2 3/4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
4" | -0.031" to 0.031" | 3" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 00000000 | ||||
5" | -0.031" to 0.031" | 4" | Seamless | 1500° | 0.045" per 3 ft. | ASTM A511 | 0000000 | ||||
316/316L Stainless Steel | |||||||||||
0.188" Wall Thick. (-0.019" to 0.019" Tolerance) | |||||||||||
3/4" | -0.005" to 0.005" | 0.374" | Seamless | 1500° | 0.030" per 3 ft. | ASTM A213, ASTM A269, ASTM A511 | 000000000 | ||||
1" | -0.005" to 0.005" | 0.624" | Seamless | 1500° | 0.030" per 3 ft. | ASTM A213, ASTM A269, ASTM A511 | 000000000 | ||||
1/4" Wall Thick. (-0.03" to 0.03" Tolerance) | |||||||||||
1" | -0.005" to 0.005" | 1/2" | Seamless | 1500° | 0.030" per 3 ft. | ASTM A213, ASTM A269, ASTM A511 | 000000000 | ||||
1/2" Wall Thick. (-0.05" to 0.05" Tolerance) | |||||||||||
1 1/2" | -0.010" to 0.010" | 1/2" | Seamless | 1500° | 0.030" per 3 ft. | ASTM A213, ASTM A269, ASTM A511 | 000000000 |