347 Stainless Steel Tube
Stainless Steel 347 Seamless Tubing supplier
AISI 347 Welded Tubing manufacturer, SS 347 ERW Tube exporter in India

347 Stainless Steel Tube

347 Seamless Stainless Steel Tube

347 Stainless Steel erw Tube
FASTWELL is one of India's most trusted 347 Stainless Steel Tubes manufacturer and an ISO 9001:2008 company. Today, we offer 347 SS tubes for use in a diverse range of industries including Oil & Gas, Power, Fertilizers, Heat-Exchangers, Paper & Pulp, Pharmaceuticals, Chemicals, Water Treatment, Dairy, Sugar & Food Processing, and many more. With its state-of-the-art technology and quality assurance facilities, FASTWELL promises to provide its customers cost effective and reliable products in order to ensure total satisfaction of its customers.
347 stainless steel tubes are made out with acclaimed modest tube mills. SS 347 Cold Rolled Coiled Tubing are made using Tungsten-Inert-Gas (TIG) welding process on strips of specified widths continuously to form the strips into tubular. Then the edges of the strips are heated and compounded together under a well protected atmosphere of argon gas through a non-consumable electrode without the addition of any filler metal. The welding process is persistently controlled by sophisticated electronic devices that maintain flawless arc stability and direction in the magnetic field.
ASTM (American Society for Testing Materials standard) ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V standard specifications ASTM B/ASME (American Society of Mechanical Engineers standards), boiler tube equivalent grades include UNS Nr. S34700, WERKSTOFF NR. 1.4550.
We are supplying high quality 347 SS tubing to our clients in India and worldwide Europe, UK, USA, Canada, Asia, Dubai, Saudi Arabia, Middle East and West Africa.
WERKSTOFF NR. 1.4550 Tube Price
10 Ft SS 347 Pipe Price in India : USD $38-2001" SS 347 Seamless Pipe Price in India : USD $10-16
SCH 40 347 Stainless Steel Unthreaded Pipe Price in India : USD $400-500
1/4" 3Ft SS 347 EFW Pipe Price in Mumbai : USD $13
Click here for complete (grade & size wise)
ASTM A213 Stainless Steel Tubing Specification
Stainless Steel 347 Tube Standards | ASME SA269,ASTM A269, ASTM A249,ASME SA213,ASTM A213, ASME SA249, NACE MR0175/ISO 15156, EN 10216-5 TC1 / TC2 ,PED 97/23/EC, AD 2000 |
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Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
Stainless Steel 347 Tube Type | Seamless, ERW, EFW, Welded, Fabricated |
Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
Specialize in | Stainless Steel 347 Capillary Tube & Other Odd Size Stainless Steel 347 Hydraulic tubing with OD up to 50.8 mm (2.0 in.) are delivered in bright annealed condition Stainless Steel 347 Heat Exchanger & Condenser Tubes Stainless Steel 347 hydraulic tube with OD larger than 50.8 mm are supplied in the annealed and pickled condition, Or in polished condition |
Stainless Steel 347 Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
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 |
Stainless Steel 347 tubing wall thickness | 0.020" –0.220", (special wall thicknesses available) |
Stainless Steel 347 Welded Tube Size | 6.35 mm OD To 152 mm OD |
347 stainless steel tubingApplication | Oil Tube, Gas Tube, Fluid Tube, Boiler and Heatexchanger |
JIS | 8A to 250A |
I.D. Surface Finish Options | 5, 7 & 10 µin. Ra |
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 Tube Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
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 |
Stainless Steel 347 tube Form | Round, Coil, Square, Rectangular, Boiler, Hydraulic, Straight or ‘U’ bent Tubes, Hollow, LSAW Tubes Etc. |
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
Laboratory Test Certificate from Govt. Approved Lab. |
Manufacturer Test Certificate according to EN 10204 3.1 B Under Third Party Inspection |
SS 347 tube Length | Single Random, Double Random, Standard & Cut length |
We can also cut, thread, and groove Stainless Steel 347 Tubes to meet your specifications |
Stainless Steel 347 Tube Wall Thickness
109 | = | .109" Thick |
028 | = | .028" Thick |
083 | = | .083" Thick |
049 | = | .049" Thick |
065 | = | .065" Thick |
039 | = | .039" Thick |
035 | = | .035" Thick |
GOST 08Ch18N12B Tube 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 |
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38mm to 60mm | +/- 0.20mm |
35mm to 38mm | +/- 0.15mm |
4mm to 35mm | +/- 0.08mm |
60mm and above | +/- 0.25mm |
Types of Stainless Steel 347 Tube

WERKSTOFF NR. 1.4550 Coiled Tubing

Stainless Steel 347 Square Tubing

Stainless Steel 347 ‘U’ Shaped tubing

ASTM A213 Gas Tube Ar 15 supplier

SS UNS S34700 Heat Exchanger Tubes

GOST 08Ch18N12B Thin Wall tube

Stainless Steel 347 Furnace Tube

Stainless Steel 347 seamless tubing

Stainless Steel 347 Capillary Tube

Stainless Steel 347 tubing

WERKSTOFF NR.1.4550 Rectangle Tube

WERKSTOFF NR. 1.4550 welded tubing

SS 347 Square Tube (Radius Corners)

Stainless Steel 347 Gas Tube

Stainless Steel 347 boiler tube
SS 347 Cold Rolled Coiled Tubing properties
3147 Stainless Steel mechanical properties & chemical composition
337 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
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 317 | 1.4449 | S31700 | SUS 317 | – | – | – | – |
SS 317L | 1.4438 | S31703 | SUS 317L | – | – | – | X2CrNiMo18-15-4 |
Types | Out diameter | Sizes | Length |
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Stainless Steel 347 Seamless Tube (Custom Sizes) | 6.35 mm OD To 101.6 mm OD | As per requirement | Cut to length |
Stainless Steel 347 Welded Tube (ERW Tube) (in Stock + Custom Sizes) | 6.35 mm OD To 152 mm OD | As per requirement | Cut to 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 |
Stainless Steel 347 Seamles Tubes Surface Finish
Surface Finish | Internal Surface(ID) | Exterbal Surface(OD) | |||
Roughness Average(RA) | Roughness Average(RA) | ||||
μ inch | μm | μ inch | μm | ||
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 |
BA | Beight Annealed | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
AP | Annealed & Pickled | Not defined | Not defined | 40 or Not defined | 1.0 or Not defined |
SS TP347 Seamless Tubing Sizes
Wall | Sizes ( O.D.) |
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.010 | 1/16" , 1/8" , 3/16" |
.020 | 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8" |
.012 | 1/8" |
.016 | 1/8" , 3/16" |
.028 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2" |
.035 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
.049 | 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
.065 | 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3" |
.083 | 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3" |
.095 | 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2" |
.109 | 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" |
.120 | 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3" |
.125 | 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4" |
.134 | 1" |
.250 | 3" |
.375 | 3 1/2" |
Stainless Steel 347 Tube Stock
SS 347 Seamless Tubing | 347 SS Round Tube |
SS 347 Seamless Tubes | SS 347 Welded Tubes |
SS 347 straight tube boiler | Stainless Steel 347 furnace tube |
Stainless Steel 347 Aerospace tubes | Stainless Steel 347 High Pressure Tube |
347 Stainless Steel Woven Mesh Tube | Stainless Steel 347 Boiler Tube |
347 Stainless Steel Coil Tubing Heat Exchanger | Stainless Steel 347 Coil Tubing |
Stainless Steel 347 Polished Tubing | UNS S34700 Pitot Tube |
Stainless Steel 347 Elliptical and Oval Tubes | Stainless Steel 347 Rectangular Tube |
ASTM A249 TP 347 U Shaped Tube | 347 Stainless Steel Square Tube Mirror Finish |