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| Categories | Stainless Steel Seamless Pipe |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | TP347H |
| Certification: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin: | China |
| MOQ: | 100KGS |
| Price: | negotiable |
| Payment Terms: | T/T, L/C at sight |
| Supply Ability: | 10000 tons per month |
| Delivery Time: | Depends on quantity |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Material Grade: | ASTM A312 |
| Standard: | TP347H |
| Size: | 1/8"to 72" |
| W.T.: | 0.3mm to 100mm |
| Length: | Double Random, Single Random, Standard and Cut length |
| NDT: | ET HT UT PT |
| Packing: | Ply-wooden Case /Iron Case/ Bundle |
| Appllication: | Heat exchangers/ Chemical |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Stainless Steel Seamless Pipe ASTM A312 TP347H Heat Exchangers Chemical Oil Gas
Overview
TP347H (1Cr19Ni11Nb) belongs to high-carbon niobium-containing Cr-Ni austenitic stainless steel, due to the stabilizing element Nb, its resistance to intergranular corrosion and good resistance to polysulfuric acid intergranular stress corrosion, corrosion resistance in acid, alkali, salt and other corrosive media and its line of corrosion resistance is similar to the 18-8 austenitic stainless steel with Ti, so it is widely used in the boiler, power generation, petroleum, chemical, synthetic fiber, food, Paper and other industries. Used in large boiler superheater tube, reheater tube, steam pipe and petrochemical heat exchanger.
Chemical Composition of ASTM A312 TP347H Stainless Steel Seamless Pipe
| Element | 347 | 347H |
| Chromium | 17.00 min.-19.00 max. | 17.00 min.-19.00 max. |
| Nickel | 9.00 min.-13.00 max. | 9.00 min.-13.00 max. |
| Carbon | 0.08 | 0.04 min.-0.10 max. |
| Manganese | 2.00 | 2.00 |
| Phosphorus | 0.045 | 0.045 |
| Sulfur | 0.03 | 0.03 |
| Silicon | 0.75 | 0.75 |
| Columbium & Tantalum | 10 x (C + N) min.-1.00 max. | 8 x (C + N) min.-1.00 max. |
| Iron | Balance | Balance |
Mechanical Properties of ASTM A312 TP347H Stainless Steel Seamless Pipe
| Yield Strength 0.2% Offset | Ultimate Tensile Strength | Elongation in 2 in. | Hardness | ||
| psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | (max.) |
| 30,000 | 205 | 75,000 | 515 | 40 | 201 Brinell |
Equivalent Grades Of ASTM A312 TP347H Stainless Steel Seamless Pipe
| Material | WERKSTOFF NR. | UNS |
| GermanN | Usa | |
| TP347H | 1.4961 | S34709 |
Physical Properties Of ASTM A312 TP347H Stainless Steel Seamless Pipe
| Properties | Metric |
| Density | 7.96 g/cm3 |
What is 347H ?
347H is a high carbon version of alloy 347. 347H stainless steel tubing has higher creep resistance and can operate at high temperatures and pressures. The higher carbon content of 0.04-0.10% makes this grade double certified. 347H stainless steel tubing is stabilized to provide good protection against corrosion. It also has good oxidation resistance, similar to other austenitic steels. 347H stainless steel pipe is used for heavy-duty welded materials, where annealing is not possible. Stainless steel 1.4961 tubes are widely used in cabin heaters, aircraft exhaust, oil and gas refining systems, heat exchanger tubes, boiler tubes for casings, etc.
Application:
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