ASME SA213 / ASTM A213 TP347H Stainless Steel Seamless Tube Heat Exchanger Tube
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008.
Model Number:ASTM A213 TP347H Stainless Steel Seamless Tube
Minimum Order Quantity:500KGS
Delivery Time:7days
Payment Terms:L/C, T/T
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ASTM A213 / ASME SA213 TP347H Stainless Steel Seamless Tube Heat Exchanger Tube
Compared to other grades of steel, 347H has certain advantages:
1. High temperature resistance: Steel 347H exhibits excellent heat resistance, making it suitable for applications where materials are subjected to elevated temperatures.
2. Enhanced corrosion resistance: This grade contains a higher
level of chromium and columbium (niobium) than standard austenitic
stainless steels. As a result, 347H offers improved resistance to
corrosion, especially in environments with high concentrations of
acids, such as sulfuric, acetic, and phosphoric acids.
3. Weldability: Steel 347H is known for its good weldability. It
can be easily welded using standard welding techniques, such as TIG
(Tungsten Inert Gas) or MIG (Metal Inert Gas) welding, without
experiencing significant issues like sensitization or cracking.
4. Stability against intergranular corrosion: One of the primary
advantages of 347H is its ability to resist intergranular
corrosion, which can occur in certain environments or after
exposure to high temperatures. This stability is due to the
addition of columbium, which forms carbides that inhibit the
precipitation of chromium carbides, thus preventing sensitization
and intergranular corrosion.
5. Versatility: Steel 347H finds utility in a wide range of
applications, including chemical processing, oil and gas industry,
pharmaceuticals, food processing, and high-temperature environments
like furnace equipment and heat exchangers.
Equivalent Grades of Stainless Steel 347/347H Seamless Tube
| Stainless Steel | Tradename | UNS no. | Werkstoff No. |
| 347H | 347H Stainless | S34709 | 1.4961 |
ASME SA213 / ASTM A213 TP347H Stainless Steel Seamless Tube Chemical Composition
| C | Mn max. | P max. | S max. | Si max. | Ni | Cr | Mo | Ti | Nb | Ta | Ni | Other |
| 0.04-0.10 | 2.00 | 0.045 | 0.03 | 0.75 | 9.0-13.0 | 17.0-19.0 | ... | ... | 8×C-1.10 | ... | ... | ... |
ASME SA213 / ASTM A213 TP347H Stainless Steel Seamless Tube Physical Propertie
In the Annealed Condition at -20°F to +100°F | |||||
Alloy | UNS Design | Density kg/dm³ | Modulus of Elasticity (x106 psi) | Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ft2-h-°F) |
| 347H | S34709 | 7.98 | 29 | 9.2 | — |
ASME SA213 / ASTM A213 TP347H Stainless Steel Seamless Tube Mechanical Properties
In the Annealed Condition at -20°F to +100°F | |||||||||
| Tensile Strength | Tensile Strength | Yield Strength | Yield Strength | ||||||
| Alloy | UNS | Spec | MPa | ksi | MPa | ksi | Elongation in 2 inches (min.) % | Grain Size Req. | Harndess HBW |
| 347H | S34709 | ASME SA 213 | 515 | 75 | 205 | 30 | 35 | 7 or coarser | 192 |
ASTM A213 / ASME SA213 TP347H Stainless Steel Seamless Tube Test Certificates
- EN 10204/3.1B,
- Raw Materials Certificate
- 100% Radiography Test Report
- Third Party Inspection Report, etc
Material Testing
- Mechanical Testing Such as Tensile of Area
- Hardness Test
- Chemical Analysis – Spectro Analysis
- Positive Material Identification – PMI Testing
- Flattening Test
- Micro and MacroTest
- Pitting Resistance Test
- Flaring Test
- Intergranular Corrosion (IGC) Test
ASME SA213 / ASTM A213 TP347H Stainless Steel Seamless Tube Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
ASME SA213 / ASTM A213 TP347H Stainless Steel Seamless Tube Heat Exchanger Tube
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