ASTM A213 is a standard established by the American Society for Testing and Materials (ASTM) for seamless ferritic and austenitic alloy steel boiler, superheater, and heat-exchanger tubes , designed for high-temperature and high-pressure applications. This standard covers stainless steels (TP series) and alloy steels (T series) , widely used in power generation, petrochemical, and boiler industries.
| Grade | UNS No. | Main Composition | Max. Temp. |
|---|---|---|---|
| TP304 | S30400 | 18Cr-8Ni | ≤800°C |
| TP304H | S30409 | 18Cr-8Ni (High Carbon) | ≤900°C |
| TP316 | S31600 | 16Cr-12Ni-2Mo | ≤800°C |
| TP321 | S32100 | 18Cr-10Ni-Ti | ≤800°C |
| TP347 | S34700 | 18Cr-10Ni-Nb | ≤900°C |
| Grade | UNS No. | Main Composition | Max. Temp. |
|---|---|---|---|
| TP405 | S40500 | 12Cr-Al | ≤600°C |
| TP410 | S41000 | 12Cr | ≤650°C |
| TP446 | S44600 | 27Cr | ≤1100°C |
| Grade | UNS No. | Main Composition | Max. Temp. |
|---|---|---|---|
| T2 | K11547 | 0.5Cr-0.5Mo | ≤540°C |
| T5 | K41545 | 5Cr-0.5Mo | ≤600°C |
| T9 | K90941 | 9Cr-1Mo | ≤650°C |
| T11 | K11597 | 1.25Cr-0.5Mo-Si | ≤600°C |
| T12 | K11562 | 1Cr-0.5Mo | ≤550°C |
| T22 | K21590 | 2.25Cr-1Mo | ≤650°C |
| T91 | K90901 | 9Cr-1Mo-V-Nb | ≤700°C |
Outside Diameter (OD): 6.35 mm (1/4") to 127 mm (5") (some manufacturers may produce larger sizes).
Wall Thickness (WT): 0.4 mm to 12.7 mm (depending on OD).
Length: Typically 6-12 meters , customizable.
Common Size Examples:
Small-bore: ∅12.7×1.65 mm (instrumentation tubes)
Medium-bore: ∅38.1×3.2 mm (heat-exchanger tubes)
Large-bore: ∅114.3×6.02 mm (boiler tubes)
Note: Refer to ASTM A1016 for general tolerance requirements.
| ASTM A213 | DIN/EN | GB (China) | JIS (Japan) |
|---|---|---|---|
| TP304 | 1.4301 (X5CrNi18-10) | 06Cr19Ni10 (GB/T 14976) | SUS304 |
| TP316 | 1.4401 (X5CrNiMo17-12-2) | 06Cr17Ni12Mo2 | SUS316 |
| T22 | 10CrMo9-10 (1.7380) | 12Cr2MoG (GB 5310) | STBA24 |
| T91 | X10CrMoVNb9-1 (1.4903) | 10Cr9Mo1VNb (GB 5310) | - |
Key Equivalent Standards:
DIN 17176 / EN 10216-2 (European alloy steels)
GB 5310 (Chinese high-pressure boiler tubes)
JIS G3463 (Japanese boiler and heat-exchanger tubes)
Power Industry: Supercritical boiler tubes (T91, T22), superheater tubes (TP304H).
Petrochemical Industry: Cracking furnace tubes (TP347H), heat-exchanger tubes (TP316).
General Industry: High-temperature and high-pressure pipelines (T5, T11).
|
Material |
Jindal 316Ti Chemical Composition % Max | ||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti | |
| TP316Ti | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10 | … | 5x(C+N)-0.70 |
| 316Ti Mechanical Properties | |||||
| Material |
Heat
Treatment |
Temperure
Min. º F(º C) |
Tensile Strength
Ksi (MPa), Min. |
Yield Strength
Ksi (MPa), Min. |
Elongation %, Min |
| TP316Ti | Solution | 1900(1040) | 75(515) | 30(205) | 35 |