347 Stainless Steel Pipe and Tubes / Stainless Steel Seamless Pipes Tubes | TYPES OF ALLOY STEEL PIPES | |
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Why Choose Hitech Metal & Tubes for your requirement of Stainless Steel Seamless Pipe,Tube & tubing1) All Sizes, Quantities and Applications to meet out all Your Needs:because we have 3rd largest inventory of Stainless Steel Seamless Pipe,Tube & Tubing in INDIA, UAE & Indonesia | » 304 Stainless Steel Seamless Pipe & Tubes » 304L Stainless Steel Seamless Pipe & Tubes » 304H Stainless Steel Seamless Pipe & Tubes » 310 Stainless Steel Seamless Pipe & Tubes » 316 Stainless Steel Seamless Pipe & Tubes » 316H Stainless Steel Seamless Pipe & Tubes » 316L Stainless Steel Seamless Pipe & Tubes » 317L Stainless Steel Seamless Pipe and Tubes » 321 Stainless Steel Seamless Pipe & Tubes » 347 Stainless Steel Seamless Pipe & Tubes » 904L Stainless Steel Seamless Pipe and Tubes » UNS 32750 Dupex Stainless Steel Seamless Pipe & Tubes |
347 Stainless Steel Seamless Pipes and Tubes / Type 347 (S34700)
Alloy 347 1.4550 is a stabilized stainless steel which offers as its main advantage an excellent resistance to intergranular corrosion following exposure to temperature in the chromium carbide precipitation range from 800 to 1500°F (427 to 816°C). Alloy 347 is austenitic chromium steel containing columbium stabilized by the addition of columbium and tantalum. 347 Stainless Steel is variant of the basic austenitic 18/8 Grade 304 with added Columbium – the introduction of Columbium stabilizes the steel and eliminates carbide precipitation which subsequently causes intergranular corrosion. Similar to 321 stainless, 347 uses columbium as a stabilizing element to maximize its principal feature: resistance to intergranular corrosion. It can be used in applications requiring repeated heating in the range of 800 and 1650 F (427-899 C).
Resistance to General Corrosion
Types 321 and 347 alloys offer similar resistance to general, overall corrosion as the unstabilized chromium nickel Type 304. Heating for long periods of time in the chromium carbide precipitation range may affect the general resistance of Types 321 and 347 in severe corrosive media.
The steel has excellent forming and welding qualities and excellent toughness even at cryogenic temperatures.
Benefits of 347 Stainless Steel
Typical Uses
347 Stainless Steel Seamless Pipes and Tubes Product Range
Specifications: ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
Sizes (Seamless): 1/2” NB - 24” NB
Sizes (ERW): 1/2” NB - 24” NB
Sizes (EFW): 6” NB - 100” NB
Wall Thickness available:
Schedule 5S - Schedule XXS (heavier on request)
Other Materials Testing:
NACE MR0175, H2 SERVICE, OXYGEN SERVICE, CRYO SERVICE, etc.
Dimensions:
All Pipes is manufactured and inspected/tested to the relevant standards including ASTM, ASME and API etc.
Applications for Types 321 and 347 include those for welded construction and parts subjected to heating in the carbide precipitation range, aircraft collector rings, aircraft exhaust stacks, boiler casings, cabin heaters, carburetor air intensifier tubes, exhaust manifolds, fasteners, fire walls, flash boilers, flexible couplings, furnace heating elements, jet engine parts, large mufflers for stationary diesel engines, pressure vessel, stack liners, all-welded tank car for carrying chemicals, annealing box inner covers, collector rings, expansion joints, heat resistors, heavy wall welded equipment, welded tanks for storing organic chemicals, wire cloth and screens (industrial).
Typical Applications
General Properties of 347 Stainless Steel Pipes and Tubes
Alloys 321 (S32100) and 347 (S34700) are stabilized stainless steels which offer as their main advantage an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500°F (427 to 816°C). Alloy 321 is stabilized against chromium carbide formation by the addition of titanium. Alloy 347 is stabilized by the addition of columbium and tantalum.
While Alloys 321 and 347 continue to be employed for prolonged service in the 800 to 1500°F (427 to 816°C) temperature range, Alloy 304L has supplanted these stabilized grades for applications involving only welding or short time heating.
Alloys 321 and 347 stainless steels are also advantageous for high temperature service because of their good mechanical properties. Alloys 321 and 347 stainless steels offer higher creep and stress rupture properties than Alloy 304 and, particularly, Alloy 304L, which might also be considered for exposures where sensitization and intergranular corrosion are concerns. This results in higher elevated temperature allowable stresses for these stabilized alloys for ASME Boiler and Pressure Vessel Code applications. The 321 and 347 alloys have maximum use temperatures of 1500°F (816°C) for code applications like Alloy 304, whereas Alloy 304L is limited to 800°F (426°C). High carbon versions of both alloys are available. These grades have UNS designations S32109 and S34709.
347 Stainless Steel Seamless Pipes and Tubes is sleeved into plastic bag individually, ten pieces wrapped with water-proof material, bundled with nylon rope. Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care is taken during operation and transportation.
Typical Uses
Chemical Composition of 347 Stainless Steel Pipes and Tubes
Represented by ASTM A240 and ASME SA-240 specifications
Element | 347 |
Carbon* | 0.08 |
Manganese | 2.00 |
Phosphorus | 0.045 |
Sulfur | 0.03 |
Silicon | 0.75 |
Chromium | 17.00-19.00 |
Nickel | 9.00-13.00 |
Columbium + | 10xC min to 1.00 max |
Tantalum | -- |
Titanium** | -- |
Cobalt | -- |
Nitrogen | -- |
Iron | Balance |
We export 304 Stainless Steel Seamless Pipe and Seamless Tube to Iran, Iraq, Oman, Qatar, Albania, Muscat, Bahrain, Turkey, Egypt, Maldives, Italy, UAE, Bahrain, Indonesia, Australia, Kuwait, Saudi Arabia, South Africa, Germany, UK, Denmark, Canada, USA, Peru, Brazil, Nizeria, Mexico, Venezuela (Latin America), South America, Russia, kazakhstan etc.
Distributors and Dealers of ...
Brand SCH 40 Seamless Tube Pipe Stockist India | Brand SCH 5 Seamless Tube Pipe Stockist India | Brand SCH 10 Seamless Tube Pipe Stockist India | Brand SCH 20 Seamless Tube Pipe Stockist India |
Brand SCH 80 Seamless Tube Pipe Stockist India | Brand SCH 160 Seamless Tube Pipe Stockist India | Brand SCH XXS. Seamless Tube Pipe Stockist India | Brand Stainless Steel SCH 5 Seamless Tubing Pipes Suppliers |
Brand Stainless Steel SCH 10 Seamless Tubing Pipes | Brand Stainless Steel SCH 20 Seamless Tubing Pipes | Brand Stainless Steel SCH 40 Seamless Tubing Pipes | Brand Stainless Steel SCH 160 Seamless Tubing Pipes |
Brand ASTM A312 Seamless Tube Pipe | Brand ASTM A213 Seamless Tube Pipe | Brand Stainless Steel SCH 80 Seamless Tubing Pipes | Brand ASTM A269 Seamless Tube Pipe |
Brand ASTM A268 Seamless Tube Pipe | Brand Stainless Steel ASTM A312 Seamless Tubing Pipes | Brand Stainless Steel ASTM A213 Seamless Tubing Pipes | Brand Stainless Steel ASTM A269 Seamless Tubing Pipes |
Brand Stainless Steel SCH XXS. Seamless Tubing Pipes | Brand Stainless Steel ASTM A268 Seamless Tubing Pipes | Brand Stainless Steel TP 304 Seamless Tubing Pipes | Brand Stainless Steel TP 904L Seamless Tubing Pipes |
Brand Stainless Steel TP 309 Seamless Tubing Pipes | Brand Stainless Steel TP 310 Seamless Tubing Pipes | Brand Stainless Steel TP 304L Seamless Tubing Pipes | Brand Stainless Steel TP 316 Seamless Tubing Pipes |
Brand Stainless Steel TP 316L Seamless Tubing Pipes | Brand Stainless Steel TP 316H Seamless Tubing Pipes | Brand Stainless Steel TP 316Ti Seamless Tubing Pipes | Brand Stainless Steel TP 321 Seamless Tubing Pipes |
Brand Stainless Steel TP 310 Seamless Tubing Pipes | Brand Stainless Steel TP 304H Seamless Tubing Pipes | Brand Stainless Steel TP 347 Seamless Tubing Pipes | Brand Stainless Steel TP 347H Seamless Tubing Pipes |
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