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Stainless Steel 347 Tube

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Table of content

347 stainless steel tube Specification

Specification ASTM A213/ ASME SA213
Surfaces
  • Average roughness value: Ra < 0.8 µm
  • Weld seam area: Ra < 1.6 µm
Standard length 6 metres
Delivery Condition MF, Bright Annealed, Polished, Annealed and Pickled, Cold Drawn
Thickness Range Schedule 5 to Schedule XXS
Manufacturing Type CEW / Seamless / DOM / ERW / Fabricated / Welded / CDW / CDS / 100% X Ray Welded
Surface Finish BA, 500G, 2B, No.1, No.3, No.8, 800G Mirror finish, 8K, HL, No.4, 2D, Mirror Polished, 1D, 180G, 400G Satin/ Hairline, 320G, 400G, 600G
Value Added Services
  • Cutting
  • Destructive and Non Destructive
  • Threading
  • Polishing (Electro & Commercial)
  • Draw & Expansion as per required Size & Length
  • Annealed & Pickled Bending
  • Beveling
  • Ultrasonic Testing
END Plain End, Beveled End, Treaded Tubes
Processing Service Welding, Decoiling, Bending, Punching, Cutting, Moulding
Technique Cold drawn, Cold rolled, Hot rolled, Extrusion Tubes
Tolerance
  • Outer Diameter: +/- 0.2mm
  • Thickness: +/- 10% OR as customer request
  • Length: +/- 10mm

Size Chart of Alloy 347 Round Tubing

Wall Thickness Sizes ( O.D.)
.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″

Various types of 347 SS tube

AISI 347 welded tube

AISI 347 welded tube

347 Stainless Steel Tubing

347 Stainless Steel Tubing

Stainless Steel Type 347 ERW Tubing

Stainless Steel Type 347 ERW Tubing

SS Grade 347 Round Tubing

SS Grade 347 Round Tubing

SA213 TP347 Polished Tube

SA213 TP347 Polished Tube

ASTM A213 TP347 Exhaust Tubing

ASTM A213 TP347 Exhaust Tubing

SA213 TP347 Polished Tube and SA213 Tp347 Cres Tubing has moderate strength with excellent cold formability, weld ability.

ASTM A213 TP 347 Seamless 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 –

UNS S34700 Welded Tubing 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
When considering UNS S34700 Condenser Tubes and 347 Stainless Steel Rectangular Tubing one must take into account the thickness range from Schedule 5 to Schedule XXS.

AISI 347 welded 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

SA213 TP347 Polished Tube Equivalent grade

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 347 1.4550 S34700 SUS 347 – 08Ch18N12B – X6CrNiNb18-10

ASTM A213 TP347 Tube Tolerance chart

Specification Size OD Range Inches Tolerances
O.D. Wall
Plus Minus Plus Minus
ASTM-A-632 Under 0.094 .002″ .000″ 10% 10%
Welded & Seamless .094 to 0.187 .003″ .000″ 10% 10%
Cold Finished .188 to 0.500 .004″ .000″ 10% 10%
ASTM-A-269 Under 0.500 .005″ .005″ 15% 15%
Welded & Seamless 0.500 to 1.499 .005″(1) 005″ 10% 10%
General Service 1.500 to 3.499 .010″(2) .010″ 10% 10%
Cold Finished 3.500 to 5.499 .015″(3) .015″ 10% 10%
Hot Finished 5.500 to 8.000 .030″ .030″ 10% 10%
Choose cold drawn ASTM A213 TP347 Exhaust Tubing and DIN 1.4550 Tubing for superior surface finish and tight tolerances.

Ready stock of stainless steel 347 tube

ASME SA213 TP347 Square Tubing Stainless Steel Type 347 EFW Tube
SA213 347 SS Decorative Tube ASME SA213 TP347 Polished Tube
DIN 1.4550 Stainless Steel 347 Polish Tube ASTM A 213 347 Stainless Steel Elliptical and Oval Tubes
ASTM A 213 347 Stainless Steel Seamless Tubing SS 347 Coil Tubing
SA 213 TP 347 Stainless Steel High Pressure Tube ASTM A213 TP 347 Heat exchanger Tubes
347 Stainless Steel Exhaust Tubing Stainless Steel DIN 1.4550 ERW Tube
SA213 TP347 Rectangular Tubing SS UNS S34700 ERW Tubing
JIS SUS347 UNS S34700 Cold Drawn Tube SA 213 Grade 347 Condenser Tubes

Testing requirements of AISI 347 welded tube

  • Pitting Resistance Test
  • Micro and Macro Test
  • Hardness Test
  • Flaring Test
  • IGC Test
  • Flattening Test
  • Chemical Analysis

Application of SS Grade 347 Round Tubing

  • Marine applications
  • Brewing equipment
  • Automotive manufacturing
  • Aerospace industry
  • Dairy equipment

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