A312 TP347 Stainless Steel Pipe supplier
347 Tubing, ASTM A249 TP 347 SS Seamless Pipes manufacturer in India
Buy SS 347 Tubes, UNS S34700 Square Pipes, SS DIN 1.4550 Rectangular Welded Pipes, TP 347 SS ERW Pipes at best price

A312 TP347

347 Stainless Steel Pipe

ASTM A312 SS TP347 Seamless Pipe
A312 TP347 material is stabilized against chromium carbide formation by the addition of columbium and tantalum. 347 Stainless Steel Pipe is non-magnetic alloy. 347 Tubing is stabilized by the addition of columbium and tantalum. SS 347 Tubes offers higher creep and stress rupture properties than SS 304. 347 Seamless Pipe also performs better in strongly oxidizing environments up to 1500°F (816°C). A312 Gr TP347 Pipe are suitable to use in nitric solutions, most diluted organic acids at moderate temperatures and in pure phosphoric acid at lower temperatures and up to 10% diluted solutions at elevated temperatures.
We are stockist & supplier of various sizes of ASTM A312 SS TP347 Seamless Pipe up to the biggest 4 inches in diameter in 20 feet long. Stainless Steel 347 Welded Tubes are available in bright polished finish. We supply UNS S34700 Square Pipes up to the biggest 4 inches in wall opening in 20 feet long. ASTM A249 TP 347 SS Seamless Pipes are available in both bright polished and hairline finish. We also stock ASTM A312 SS 347 Round Pipes up to the biggest 4 inches in wall opening in 20 feet long. 347 SS Polished Pipes are available in both bright polished and hairline finish.
Steel Tubes India in renowned manufacturer, stockist & supplier of ASTM A213 SS TP347 Pipes in India. We manufacture of all types on SS DIN 1.4550 Rectangular Welded Pipes. We have supplied TP 347 SS ERW Pipes to Gasco, SS 347 Seamless Tubing to Saudi Aramco, TP347 Stainless Steel EFW Tubing to Oman, Stainless Steel WERKSTOFF NR. 1.4550 Tubes to KNPC, 347 Stainless Steel Seamless Tubes to Qatar Gas, SS UNS S34700 Heat Exchanger Tube to Dubai, Stainless Steel WERKSTOFF NR. 1.4550 Tubes to leading oil & gas company in Iraq, ASTM A249 TP 347 Stainless Steel High Pressure Tube to South Africa, SS 347 Cold Rolled Coiled Tubing to North America, Stainless Steel 347 Instrumentation Tubes to United Kingdom and Stainless Steel 347 EFW Tubes & Stainless Steel 347 Square Tubes to UAE. We have more than 14 years of experience in supplying Stainless Steel 347 Instrumentation Tubes. Our highly experienced team can help you to buy right 347 Stainless Steel Seamless Tubes.
If you are looking to buy High quality assured Stainless Steel 347 capillary tube, Stainless Steel 347 Square Tubing or Stainless Steel 347 Polished Tube at best price in India, send an email to stindia@stindia.com, we will send you the Free Quote & recent price of Stainless Steel 347 precision tubes, Stainless Steel 347 Welded Tube, Stainless Steel 347 instrumentation tubes, Stainless Steel 347 Oval Tube along with inspection & delivery schedule. Steel Tubes India is a Govt. of India recognised Exporter of Stainless Steel 347 Mirror Tube in India and shipping to Europe, Trinidad & Tobago, Singapore, Qatar, Ethiopia, United Arab Emirates, Oman, Malaysia, Kuwait, Canada, Australia, United States, New Zealand, United Kingdom, St. Helena, South Africa, India, Nigeria, Ghana, Hong Kong, Saudi Arabia, Philippines, Ireland, Pakistan, South Korea, Iraq, Norway, Finland, Egypt, Netherlands, Denmark, Iran, Kenya, Sweden, Thailand, Indonesia, India, Belgium, Taiwan, Greece & Germany since 2002. SS 347 Needle Tube, SS 347 Round Tube and Stainless Steel 347 hydraulic tube are available in different sizes, diameter & wall thickness.
Table of contents
- Stainless Steel 347 Tube Price
- A312 TP347 Tube Specification
- 347 Stainless Steel Tubing Tolerances
- 347 Seamless Pipe properties
- A312 Gr TP347 Pipe Sizes
- Stainless Steel 347 Tube Weight
- Stainless Steel 347 Tube Stock
- ASTM A312 SS TP347 Seamless Pipe Pressure Rating
- Difference Between Inconel and Stainless Steel
- 347 Stainless steel tube dimensions
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Stainless Steel 347 Tube Price
Price of SS 347 Seamless Tube ASTM A312 TP 347: $ 5400 ~ $ 6900 USD/Ton
Price of SS 347 ERW/Welded Tube ASTM A312 TP 347: $ 4800 ~ $ 6300 USD/Ton
Price of SS 347 EFW Tube ASTM A358 TP 347: $ 4500 ~ $ 6000 USD/Ton
AISI 347 Stainless Steel Pipes for Sale
The Specific Heat of AISI 347 stainless steel is 500 J/kg-°K (0 – 100°C) [0.12 BTU/lb-°F (32 – 212°F)]. The Electrical Resistivity of AISI 347 stainless steel is 72 Microhm-cm at 20 °F. It is easy to weld AISI 347 stainless steel, using the standard welding processes. AISI 347 stainless steel can be used in pure phosphoric acid, most diluted organic acids and nitric solutions. Are you looking for AISI 347 stainless steel pipes for sale at the best possible price? If so, you can be sure that you have arrived at the right place. We are a PED approved manufacturer of AISI 347 stainless steel pipes in India.
A312 TP347 Tube Specification
ASTM A312 Gr TP 347 Tubing Specifications
ASTM A312 GR TP 347 tubing specifications are that of a Chemical Composition of Sulfur 0.03, Nickel 9.00 min.–13.00 max., Chromium 17.00 min.–19.00 max., Phosphorus 0.045, Manganese 2.00, Columbium & Tantalum 10 x (C + N) min.–1.00 max., Carbon 0.08, Iron Balance and Silicon 0.75. The Density of ASTM A312 GR TP 347 is 0.288 lbs /in3 7.96 g/cm3. ASTM A312 GR TP 347 Melting Range is 1398–1446 °C (2550–2635 °F). The Modulus of Elasticity of SS 347 is 193 GPa (28.0 x 106 psi). The Electrical Resistivity at 20 °C of SS 347 is 72 Microhm-cm. SS 347 Specific Heat is 500 J/kg-°K (0–100 °C) and 0.12 BTU/lb-°F (32–212 °F).
Stainless Steel 347 Tube Standards | ASTM A213, ASTM A249, ASTM A269, ASME SA213, ASME SA249, ASME SA269, EN 10216-5 TC1 / TC2, PED 97/23/EC, AD 2000, NACE MR0175/ISO 15156 |
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347 SEAMLESS Stainless Steel Aerospace Tubing | AMS 5557, AMS 5897 (Canceled & non-current specs include MIL-T-8808, MIL-T-8973) |
347 WELDED & DRAWN Stainless Steel Aerospace Tubing | AMS 5556, AMS 5575 (Canceled & non-current specs include MIL-T-6737, MIL-T-8606, MIL-T-8808) |
Stainless Steel 347 Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
Stainless Steel 347 Welded Tube Size | 6.35 mm OD To 152 mm OD |
Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
Stainless Steel 347 tubing wall thickness | 0.020" –0.220", (special wall thicknesses available) |
SS 347 tube Length | Single Random, Double Random, Standard & Cut length |
347 Stainless Steel Tube Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
Stainless Steel 347 tube Form | Round, Coil, Square, Rectangular, Boiler, Hydraulic, Straight or ‘U’ bent Tubes, Hollow, LSAW Tubes Etc. |
Stainless Steel 347 Tube Type | Seamless, ERW, EFW, Welded, Fabricated |
Electropolished | (EP) Electropolished for Ultra High Purity Systems |
Non-Electropolished | (BA) Bright Annealed or (AP) Annealed & Pickled for High-Purity, (CFOS) Cleaned for Oxygen Grade Service or Corrosive Systems |
I.D. Surface Finish Options | 5, 7 & 10 µin. Ra |
JIS | 8A to 250A |
Tolerances | In accordance with: ASTM: A269 & A632, JIS: G 3459 |
347 stainless steel tubing End | Plain End, Beveled End, Treaded, Ends are suitable for orbital welding |
Marking | All 347 Stainless Steel tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
347 stainless steel tubing Application | Oil Tube, Gas Tube, Fluid Tube, Boiler and Heatexchanger |
Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
Specialize in | Stainless Steel 347 Capillary Tube & Other Odd Size Stainless Steel 347 Heat Exchanger & Condenser Tubes Stainless Steel 347 Hydraulic tubing with OD up to 50.8 mm (2.0 in.) are delivered in bright annealed condition Stainless Steel 347 hydraulic tube with OD larger than 50.8 mm are supplied in the annealed and pickled condition, Or in polished condition |
Marking & Traceability | Each Stainless Steel 347 Tubing is traceable to its producing mill and heat by an identification number etched within 24" (610mm) of one end. |
347 stainless steel tubing Test Certificate | Manufacturer Test Certificate according to EN 10204 3.1 B Laboratory Test Certificate from Govt. Approved Lab. Under Third Party Inspection |
347 stainless steel tubing Testing & Inspection | Visual inspection • Surface roughness measurement • Helium-leak testing • Scanning Electron Microscopy (SEM) • Auger Electron Microscopy (AES) • Election Spectroscopy for Chemical Analysis (ESCA or XPS) • Particle testing • Moisture testing |
We can also cut, thread, and groove Stainless Steel 347 Tubes to meet your specifications |
SS 347 Pipe & Tubes Application
SS 347 tubes application are many and some of these are used in offshore drilling oil and gas industries, petrochemical industries, construction line, gas processing, equipment in food processing business, recuperators, refining petroleum, power generation, pharmaceutical equipment, chemical equipment, pulp and paper industries, condensers, heat exchangers, sea water equipment, etc. SS 347 has an excellent general corrosion resistance and shows a great resistance in strong oxidizing circumstances. SS 347 is quite ductile and forms without difficulty. Also, SS 347 can be easily welded using most standard processes.
Stainless steel 347 pipe applications are many and they include food processing, chemical processing, pharmaceutical production, petroleum refining, waste heat recovery, etc. The Chemical Composition of stainless steel 347 is Sulfur 0.03, Chromium 17.00 min.-19.00 max., Phosphorus 0.045, Silicon 0.75, Nickel 9.00 min.-13.00 max., Columbium & Tantalum 10 x (C + N) min.-1.00 max., Manganese 2.00, Carbon 0.08 and Iron balance. The Density of stainless steel 347 is 7.96 g/cm3 (0.288 lbs/in3). The Melting Range of stainless steel 347 is 1398 – 1446 °C (2550 – 2635 °F). The Rupture Strength of stainless steel 347 is 5510 - 5660 psi (38 - 39 MPa).
Stainless Steel 347 Tube Wall Thickness
028 | = | .028" Thick |
035 | = | .035" Thick |
039 | = | .039" Thick |
049 | = | .049" Thick |
065 | = | .065" Thick |
083 | = | .083" Thick |
109 | = | .109" Thick |
347 Stainless Steel Tubing Tolerances
The Stainless Steel 347 tubes outer diameter (OD) are according to ASTM A269/A213. Stainless Steel 347 Tubing Tolerance specifications are as per below:
Stainless Steel 347 Tube OD | Stainless Steel 347 Tube Tolerance |
---|---|
4mm to 35mm | +/- 0.08mm |
35mm to 38mm | +/- 0.15mm |
38mm to 60mm | +/- 0.20mm |
60mm and above | +/- 0.25mm |
Types of Stainless Steel 347 Tube

Stainless Steel 347 Coiled Tubing

A312 Gr TP347 Capillary Tube

ASTM A312 SS TP347 ‘U’ Shaped tubing

UNS S34700 Gas Tube Ar 15 supplier

ASTM A249 TP 347 SS seamless tubing

ASTM A312 SS 347 Thin Wall tube

Stainless Steel 347 Furnace Tube

ASTM A213 SS TP347 Gas Tube

SS DIN 1.4550 Heat Exchanger Tubes

TP 347 SS boiler tube

Stainless Steel 347 welded tubing

TP347 Stainless Steel Square Tubing

SS 347 Hollow Section

Stainless Steel WERKSTOFF NR. 1.4550 Rectangle Tube

SS UNS S34700 tubing
Types of ASTM A249 TP 347 Stainless Steel Seamless & Welded Tubes
ASTM A213 TP347 Condenser Tube | Stainless Steel 347 Welded Pipe & Tube |
ASTM A269 TP347 straight tube | 347 Stainless Steel Welded Tube |
ASTM A249 TP347 Mirror Tube | Jis 347 Stainless Steel Tubing |
JIS SUS347 Seamless Tubes | Din 1.4550 Stainless Steel Tube |
SA312 TP347 Welded Tubes | AISI 347 Seamless Tube |
ASTM A312 TP347 Coiled Tubing | Stainless Steel Inox 347 Capillary Tubing |
ASTM A312 gr TP 347 Aerospace tubes | ASTM A632 TP347 Electric Fusion Welding Pipes |
Stainless Steel 347 Grade Pipe | Type 347 Stainless Steel Polished Pipes |
ASTM A312 TP347 Elliptical Tubes | ASTM A213 SS TP 347 Stainless Steel Rectangular Tube |
347 Stainless Steel Oval Tubing | SS 347 Needle Tube |
Din 1.4550 Stainless Steel Welded Pipes | ASTM A358 TP347 Coil Tubing Heat Exchanger |
SAE J405 Uns S34700 Thin Wall Tubing | 347 Stainless Steel Metric Tubing |
347 Stainless Steel Seamless Square Tubing | Large Diameter 347 Stainless Steel Tube |
SS 347 Erw Pipe | 347 Stainless Steel Instrumentation Tubing |
High-pressure 347 Stainless Steel Water Pipe | Stainless Steel 347 Hexagonal Pipe |
Din W.-Nr. 1.4550 Aisi 347 Corrugated Tube | Stainless Steel 347 Round Tube |
UNS S34700 Seamless Pipes | Stainless Steel 347 Seamless Round Tubing |
ASTM A358 TP347 Polished Tubing | 347 Stainless Steel Ornamental Tube |
ASTM A312 TP347 erw | 347 Stainless Steel Spiral Pipe |
ASME SA213 TP347 Perforated Tube | Din 1.4550 Material Tube |
SA 688 TP347 Finned Tube | SA312 TP347 Dom Tube |
Din 1.4550 AISI 347 Perforated Exhaust Tube | Stainless Steel 347 Hypodermic Tubing |
Material 1.4550 Aisi 347 Slotted Handrail Tube | SA312 TP347 Thin Wall Tube |
SA213 TP 347 Thick Wall Tube | En 1.4550 / Aisi 347 Hydraulic Tubing |
Stainless Steel 347 Ornamental Pipe | Stainless Steel 347 Fin Tube / Finned Tube |
S34700 Stainless Steel U Shaped Tube | 347 Stainless Steel Square Tube Mirror Finish |
Din 1.4550 Material Seamless Tubing | WERKSTOFF NR. 1.4550 Coaxial Tube |
347 Stainless Steel Rectangular Pipe | 347 Stainless Steel Hypodermic Tubing for Medical Needle |
1.4550 Instrument Tubing | 347 Stainless Steel Square Tubing |
Ultra-High Purity Electropolished Stainless Steel 347 Tube | Thin Wall S34700 Stainless Steel Pipe |
347 Stainless Steel ERW Pipes | Corrugated 347 Stainless Steel Tube (CSST) for Gas |
Jis 347 Stainless Steel Coil Tubing | Stainless Steel 347 Seamless Pipe |
Schedule 10 Type 347 Stainless Steel Pipe | Schedule 40 Type 347 Stainless Steel Pipe |
SA 312 TP347 Seamless Tubing | Polished 347 Stainless Steel Tubing |
347 Stainless Steel Threaded Pipe | SAE 347 Stainless Steel Rectangular Tube |
347 Seamless Pipe Properties
347 Stainless Steel mechanical properties & chemical composition
347 Stainless Steel Tube Chemical Composition
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
---|---|---|---|---|---|---|---|---|---|---|
347 | min. | – | – | – | – | – | 17.0 | – | 9.0 | – |
max. | 0.08 | 2.0 | 1.0 | 0.040 | 0.030 | 20.0 | 13.0 | – |
Stainless Steel 347 Tubes Mechanical Properties
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
---|---|---|---|---|---|
Rockwell B (HR B) max | Brinell (HB) max | ||||
347 | 515 | 205 | 40 | 92 | 201 |
Stainless Steel 347 Tube Physical Properties
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
---|---|---|---|---|---|---|---|---|---|
0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
347 | 8000 | 193 | 15.9 | 16.2 | 17.0 | 14.2 | 18.7 | 500 | 740 |
Equivalent Grades for 347 Stainless Steel Tubes
ASTM A312 TP347 Equivalent
ASTM A312 TP347 equivalent is UNS CODE S34700, ASTM 347, KS STS 347, JIS SUS 347 and DIN 1.4550. The Thermal Conductivity of A312 TP347 is 16.3 W/m-°K (133 BTU/hr/ft2/ft/°F). The Modulus of Elasticity of ASTM A312 TP347 is 28.0 x 106 psi (193 GPa). The Ultimate Tensile strength of SA312 TP347 is 480 MPa (69600 psi). The Yield Tensile Strength of A312 Gr TP347 is 205 MPa (29700 psi). The Poisson’s Ratio of ASTM A312 TP347 is 0.27 – 0.30). The Brinell Hardness of ASTM A312 TP347 is 187.
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
---|---|---|---|---|---|---|---|
SS 347 | 1.4550 | S34700 | SUS 347 | – | 08Ch18N12B | – | X6CrNiNb18-10 |
Types | Out diameter | Sizes | Length |
---|---|---|---|
NB Sizes (in stock) | .0035” ~ 8” | 1/8", 1/4", 3/8", 1/2", 5/8", 3/4", 1", 1.25", 1.5", 2", 2.5", 3", 4", 5", 6" | Cut to length |
347 Seamless Pipe & Tube (Custom Sizes) | 6.35 mm OD To 101.6 mm OD | As per requirement | Cut to length |
ASTM A249 TP 347 SS Welded Pipe & Tube (ERW Tube) (in Stock + Custom Sizes) | 6.35 mm OD To 152 mm OD | As per requirement | Cut to length |
Stainless Steel 347 Seamless Tubes Surface Finish
Surface Finish | Internal Surface(ID) | Exterbal Surface(OD) | |||
Roughness Average(RA) | Roughness Average(RA) | ||||
μ inch | μm | μ inch | μm | ||
AP | Annealed & Pickled | Not defined | Not defined | 40 or Not defined | 1.0 or Not defined |
BA | Beight Annealed | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
MP | Mechanical Polish | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
EP | Electro Polish | 15,10,7,5 | 0.38,0.25,0.20;0.13 | 32 | 0.8 |