304 / 304L Stainless Steel Tubing
304 / 304L Stainless Steel Tubing
Product Specifications
ASTM A269, ASTM A213 / ASME SA213 (Seamless)
ASTM A269, ASTM A249 / ASME SA249 (Welded)
Domestic tube is bright annealed.
Imported tube is solution annealed and O.D. polished to a 320-grit finish.
Size Range
Outside Diameter (OD) | Wall Thickness |
.125”–5.00” | .010 “–.375” |
Chemical Requirements
T304/L (UNS S30400/UNS S30403)
Composition %
UNS | C Carbon | Mn | P | S | Si | Cr | Ni Nickel |
S30400 | 0.080 max | 2.00 max | 0.045 max | 0.030 max | 1.00 max | 18.0–20.0 | 8.0–11.0 |
S30403 | 0.030 max | 2.00 max | 0.045 max | 0.030 max | 1.00 max | 18.0–20.0 | 8.0–12.0 |
Chemical Requirements
T304/L (UNS S30400/UNS S30403)
Composition %
UNS | C | Mn | P | S | Si | Cr | Ni |
S30400 | 0.080 max | 2.00 max | 0.045 max | 0.030 max | 1.00 max | 18.0–20.0 | 8.0–11.0 |
S30403 | 0.030 max | 2.00 max | 0.045 max | 0.030 max | 1.00 max | 18.0–20.0 | 8.0–12.0 |
Dimensional Tolerances
OD | OD Tolerance | Wall Tolerance |
≤ .500” | ± .005” | ± 10% |
.500”–1.500” excl | ± .005” | ± 10% |
1.500”–3.500” excl | ± .010” | ± 10% |
3.500”–5.500” excl | ± .015” | ± 10% |
Mechanical Properties
Yield Strength: | 30 ksi min |
Tensile Strength: | 75 ksi min |
Elongation (min 2"): | 35% |
Hardness (Rockwell B Scale): | 90 HRB max |