Stainless steel 347 has an excellent forming and welding qualities at cyrogenic temperatures, so the best material to be used in pipe fittings. Supplier and Exporter of high quality stainless steel 347/347H seamless and welded pipes & tubes. Vision alloys provide a wide range of SS 347/347H pipes and tubes in various schedule, type, form, length and much more by which you can easily find any grade of your need. These stainless steel pipes and tubes are very economical and thus are very valuable among the clients.
We design these SS 347/347H pipes & tubes (also known as UNS S34700/S34709 Pipes and Tubes) in tweaked sizesand thicknesses and consider various determinationa and measurements according to the customer needs and deliver worlwide.
High temperature chemical processes, Heat exchanger tubes, High temperature steam service, High pressure steam pipes, Radiant superheaters, Boiler tubes, Heavy duty exhaust systems, General refinery piping.
| Standard | 347 - ASTM /ASME A/SA 213 / 249 / 269 / 312 / 358 CL. I to V 347H - ASTM /ASME A/SA 213 / 249/ 269 / 312 / 358 CL. I to V |
|---|---|
| SEAMLESS 347/347H Pipes & Tubes | 1/2" NB - 16" NB |
| ERW347/347H Pipes & Tubes | 1/2" NB - 24" NB |
| EFW347/347H Pipes & Tubes | 6" NB - 100" NB |
| Schedule | SCH 10 – SCH XXS |
| Certifications | IBR AND NON IBR |
| Type | Seamless / ERW / EFW/ Fabricated / LSAW Pipes | Length | Single Random, Double Random & Cut Length. |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| End | Plain End, Beveled End, Threaded |
| C | Cr | Mn | Ni | P | S | Si | Cb/Ta | |
|---|---|---|---|---|---|---|---|---|
| 347 | 0.08 max |
min: 17.0 max: 20.0 |
2.0 max |
min: 9.0 max: 13.0 |
0.04 max |
0.30 max |
0.75 max |
min:10x C max: 1.0 |
| 347H |
min: 0.04 max: 0.10 |
min: 17.0 max: 20.0 |
2.0 max | min: 9.0 max: 13.0 |
0.03 max | 0.30 max |
0.75 max |
min:10x C max: 1.0 |
| Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% ksi offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 347/347H |
75 (515) |
30 (205) |
40 | 201 | 95 |
| Density lbm/in3 |
Coefficient of Thermal Expansion (min/in)-°F |
Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | |
|---|---|---|---|---|---|
| at 68 °F | at 68 – 212°F | at 68 – 1832°F | 68-932°F | at 32 – 212°F | in tension (E) |
| 0.288 | 9.2 | 11.4 | 14.7 | 0.12 | 28 x 106 |
Vision Alloys exports Stainless Steel 347/347H Pipes & Tubes to countries like Saudi Arabia, United Arab Emirates, Singapore, Malaysia, Germany, Iran, United Kingdom, Italy, Israel, Russia, United States Of America, South Africa, Kenya, Nigeria, Phillipines.
