When materials are pushed to their limits, data becomes the difference between failure and success. Dive into the complete technical profile of SEA-CURE® stainless steel tube—explore its chemical makeup, test results, and corrosion resistance performance that set it apart from conventional alloys.
SEA-CURE® tube is manufactured and tested to the requirements and tolerances of ASTM A-268, A-803, ASME SA-268, and SA-803 and US Patents 4,119,765 and 4,942,922.
For engineers, buyers, and specifiers who need deeper insight into performance, this technical center brings together all the critical data in one place. Choose the category you're interested in—whether it's alloy chemistry, corrosion behavior, or mechanical performance—and explore verified data that meets the industry's most rigorous standards.
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N |
|---|---|---|---|---|---|---|---|---|---|
| ≤ 0.020 | ≤ 0.7 | ≤ 2.0 | ≤ 0.020 | ≤ 0.010 | ≤ 27 | ≤ 31 | ≤ 3.5 | ≤ 1.0 | ≤ 0.1 |
| ACID SOLUTION | TEMPERATURE | CORROSION RATE – MPY* | |||
|---|---|---|---|---|---|
| °F | °C | TYPE 304 | TYPE 316 | SEA-CURE | |
| 0.1% Hydrochloric | 212 | 100 B | 17.40 | 2.08 | 0.23 |
| 1.0% Hydrochloric | 210 | 99 B | 0.68 | ||
| 1.0% Hydrochloric + 3% FeCI3 | 167 | 75 | 2.27** | ||
| 10% Sulfuric | 215 | 102 B | 1.05 | ||
| 60% Sulfuric | 244 | 118 B | >1000.00 | ||
| 93% Sulfuric | 171 | 77 | 78.00 | 10.00 | |
| 50% Phosphoric | 228 | 109 B | 2.46 | 3.87 | 1.78 |
| 10% Nitric | 219 | 104 B | 0.37 | 0.96 | 0.46 |
| 65% Nitric | 241 | 116 B | 3.34 | 3.95 | 1.20*** |
| 60% Nitric + 2% HCL | 235 | 113 B | 4.18*** | ||
| 80% Acetic | 217 | 103 B | 17.00 | 0.02 | |
| 100% Acetic | 243 | 117 B | 0.39 | 0.54 | 0.44 |
| 50% Acetic + 50% Anhyd | 164 | 73 | 0.40 | 1.60 | |
| 50% Formic | 221 | 105 B | 0.89 | ||
| 10% Oxalic | 216 | 102 B | 1.31 | ||
| 55% NaOH + 8% NaC + 3% NaCIO3 | 210 | 99 | 6.1 | <0.10 | |
| 50% NaOH | 289 | 143 | 15.00 | 1.00 | |
* Corrosion rate in mils per year - evaluated over a 96 hour test period
** Pitting
*** Welded SEA-CURE® showed good performance in the nitric tests. However, caution should be exercised in using any titanium stabilized alloy in highly oxidizing environments.
B Boiling
| Ti GRADE 2 | 90-10 Cu/Ni | SEA-CURE | |
|---|---|---|---|
| Yield Strength* (ksi) | 40 | 15 | 65 |
| Tensile Strength* (ksi) | 50 | 40 | 85 |
| Hardness (RB) | 60 | 30 | 95 |
| Elongation* (%) | 20 | 25 | 20 |
| Elastic Modulus (PSI x 106) | 15.5** | 18 | 31.5 |
| Density (lb/in3) | 0.16 | 0.32 | 0.278 |
| Expansion Coefficient (in/in-°Fx106) | 4.7 | 9.5 | 5.38 |
| Thermal Conductivity (Btu/hr-ft2-°F/ft) | 12.6 | 26 | 10.1 |
| Specific Heat (Btu/lb-°F) | 0.124 | 0.092 | 0.12 |
| Fatigue Endurance Limit (ksi) | Low | 25 | 35 |
* Minimum ASTM Value
** When anisotropy is not present
SEA-CURE® tube is manufactured and tested to the requirements and tolerances of ASTM A-268, A-803, ASME SA-268, and SA-803 and US Patents 4,119,765 and 4,942,922.
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