Delivering High Quality Stainless Steel and Alloy Piping Products — Pipes, Tubes, Fittings, Flanges and more for Global Industries.
sales@savoypipinginc.com
Delivering High Quality Stainless Steel and Alloy Piping Products — Pipes, Tubes, Fittings, Flanges and more for Global Industries.
sales@savoypipinginc.com
Savoy Piping Inc. supplies 347 — Nb-stabilised austenitic widely used in refinery high-temperature and welded process piping.
Grade hub · A312 Seamless · A312 Welded · A213 · A269 · A358 EFW · SS hub
Also see: Stainless steel pipe & tube hub · Buttweld fittings · Flanges · Materials hub.
347 (UNS S34700): 18Cr-8Ni niobium (columbium) stabilised. Mechanical guide: per SA-312 TP347 — confirm PO.
Use 347 when the materials class calls for Nb stabilisation. Twin: 321.
347 vs 321: Nb vs Ti. 347 vs 347H: carbon for elevated temp.
| 347 Stainless Steel Pipe & Tubes Specification | ASTM A269, ASTM A213, ASTM A312, ASME SA269, ASME SA213, ASME SA312 |
| 347 Stainless Steel Pipe & Tubes Grades | 202, 304, 304L, 304H, 304LN, 309S, 310S, 316, 316L, 316H, 316Ti, 316LN, 317L, 321, 321H, 347, 347H, 904L, SMO 254, ALLOY 254, 6MO, 6MOLY, UNS S31254 ETC. |
| 347 Stainless Steel Pipe & Tubes Type | Seamless Pipe / Welded / ERW / EFW / Cold Draw / Hot Finish / Cold Finish |
| 347 Stainless Steel Pipe & Tubes Outer Diameter Size | Seamless Steel Tube - 1/2" NB TO 18" NB Welded / ERW- 1" NB TO 16" NB EFW - 8" NB TO 110" NB |
| 347 Stainless Steel Pipe & Tubes Wall Thickness | Schedule 10 to Schedule 160 (3 mm to 100 mm Thickness) |
| 347 Stainless Steel Pipe & Tubes Length | 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size. |
| 347 Stainless Steel Pipe & Tubes Ends | Plain Ends / Beveled Ends |
| 347 Stainless Steel Pipe & Tubes Delivery Conditions | As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw |
| 347 Stainless Steel Pipe & Tubes Coating | Electropolish, Mechanical Polish, Satin Finish, Passivate |
| 347 Stainless Steel Pipe & Tubes Other Testing | Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiograph HIC Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, Tensile Test etc |
| 347 Stainless Steel Pipe & Tubes Dimension | All Pipes Tube Is Manufactured and Inspected / Tested to the Relevant standards includingASTM And ASME |
| 347 Stainless Steel Pipe & Tubes Value Added Services | Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
| 347 Stainless Steel Pipe & Tubes Packaging | Loose / Bundle / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
| 347 Stainless Steel Pipe & Tubes Shipment & Transportation | By Road - Truck / Train, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 4 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes |
| 347 Stainless Steel Pipe & Tubes Material Test Certificate | Stainless Steel Pipe Manufacturers Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC |
The Chemical Composition of grade 347 Stainless Steel is outlined in the following table
| UNS No | Grade | C | Si | Mn | P | S | Cr | Mo | Ni | N | Other |
| S34700 | 347 | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 17.00/19.00 | – | 9.00/13.00 | – | Cb:10xC1.00 |
The Mechanical Properties of grade 347 Stainless Steel are displayed in the following table.
| UNS No | Grade | Proof Stress 0.2% (MPa) |
Tensile Strength (MPa) |
Elongation A5(%) |
Hardness Max | |
| HB | HRB | |||||
| S34700 | 347 | 205 | 515 | 40 | 201 | 92 |
Physical properties of 347 grade stainless steel in the annealed condition
| Properties | Metric | Imperial |
| Density | 7.7 – 8.03 g/cm3 | 0.278 – 0.29 lb/in³ |
Grade Specifications for 347 grade stainless steel
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 321 | S32100 | 321S31 | 58B, 58C | 1.441 | X6CrNiTi18-10 | 2337 | SUS 321 |
| 321H | S32109 | 321S51 | - | 1.4878 | X10CrNiTi18-10 | - | SUS 321H |
| 347 | S34700 | 347S31 | 58G | 1.450 | X6CrNiNb18-10 | 2338 | SUS 347 |
| These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted. | |||||||
347 (UNS S34700) is Nb-stabilised austenitic widely used in refinery high-temperature and welded process piping. Chemistry: 18Cr-8Ni niobium (columbium) stabilised.
Pipe A312 / A358 EFW; tube A213 / A269 (and A249 welded where specified).
per SA-312 TP347 — confirm PO
347 vs 321: Nb vs Ti. 347 vs 347H: carbon for elevated temp.
We export 347 Stainless Steel Pipes and Tubes to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Myanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States of America, Canada, Mexico, Panama, Costa Rica, Puerto Rico, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherlands, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East.etc
Savoy Piping Inc. is a well known worldwide Exporter of 347 Stainless Steel Pipes and Tubes is committed to provide each and every customer with the highest standard of customer service. We deal in 347 Stainless Steel Pipes and Tube in India and Overseas, offering a wide range of 347 Stainless Steel Pipes and Tubes