At Metinox Overseas, we manufacture and supply the supreme quality of SS 347 Welded Tubing. We are supplying the welded tubing to the clients with different specifications like surface finish, end finish, dimensions, shapes, sizes, length, and thickness. International and national quality standards are followed in the fabrication of the welded tubes.
Stainless Steel S34700 Welded Tubes, ASTM A269 Stainless Steel TP347H Welded Tube, SUS 347 Welded Tubes, SS 347 Welded Tubes, Stainless Steel 347H Welded Tube, Stainless Steel 1.4541 Welded Tubing, TP347 Stainless Steel Welded Tubing, Stainless Steel 347H Welded Tubing, ASME SA269 Stainless Steel TP347 Welded Tubes Manufacturer in Mumbai India
The welded tubes are made with austenitic materials that are good to work with the elevated temperatures. Hence, they have excellent formability, weldability, and flexibility. This product has great qualities with the addition of some rare and unique contents like columbium as well as tantalum; it has far better intergranular corrosion resistance.
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Alloy 347 has the extended version as SS 347H Welded Tubing which has slightly more improved skills and qualities with the higher carbon contents. They have greater creep and tensile strengths, corrosion-resistance and high- temperature absorbance. Besides, both grades have amazing qualities of oxidizing and pitting decay resistance. These welded tubes are effectively non-magnetic when annealed. And, they are good to go with cold-working which makes it more harden.
SS 347 Welded Tubing is composed of elements of carbon, manganese, silicon, phosphorus, sulphur, chromium, nickel and titanium. SS 347H Welded Tubing also has the same chemical composition but comparatively, have higher contents than 347 tubes.
But mechanically, both grades are commendable. They have a good density for a better life span plus better hardness Brinell. And, their maximum elongation range goes to 40% which is considered one of the top-notch ranges. In temperature tolerance also, it is better than many grades as it has a melting point of 1450 degrees Celsius.
Both grades are being utilized on many complex grounds of petroleum refineries, nuclear & thermal power generation plants, aircraft body- making, heat exchangers, condensers, pressure vessels, and so on. And, they are also applied in various basic fields like sugar-making industries, pharmaceuticals, oil & gas industries, and others.
With adhering to the demands of the clients, the SS 347 Welded Tubing moves through different quality tests. Some of the quality tests performed is positive material identification, intergranular corrosion resistance, hardness, hydrostatic, ultrasonic, micro, macro, and so on.
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Types of Stainless Steel 347/347H Welded Tubes

Capillary Tube
Stainless Steel 347 Welded Capillary Tube, ASTM A269 TP347H Welded Capillary Tubes Manufacturer, SS S32100 Welded Capillary Tubing Exporter, SS 1.4541 Welded Capillary Tube Dealer, SUS 347H Welded Capillary Tubes, ASME SA269 SS 347H Welded Capillary Tubes in Mumbai, India.

Heat Exchanger Tube
ASTM A269 TP347 Welded Heat Exchanger Tubes Manufacturer, SS S34703 Welded Heat Exchanger Tubing Exporter, SS 1.4404 Welded Heat Exchanger Tube Dealer, SUS 347H Welded Heat Exchanger Tubes, ASME SA269 SS 347H Welded Heat Exchanger Tubes in Mumbai, India.

U Shaped Tube
Stainless Steel 347 Welded U Shaped Tube, ASTM A269 TP347 Welded U Shaped Tubes Manufacturer, SS S32100 Welded U Shaped Tubing Exporter, SS 1.4541 Welded U Shaped Tube Dealer, SUS 347H Welded U Shaped Tubes, ASME SA269 SS 347H Welded U Shaped Tubes in Mumbai, India.

Instrumentation Tube
ASTM A269 TP347H Welded Instrumentation Tubes Manufacturer, SS S32103 Welded Instrumentation Tubing Exporter, SS 1.4404 Welded Instrumentation Tubes Dealer, SUS 347 Welded Instrumentation Tubes, ASME SA269 SS 347H Welded Instrumentation Tubes in Mumbai, India.
Specification of Stainless Steel 347/347H Welded Tubes
Specifications : ASTM A269 / ASME SA269
Outside Diameter : 1/8" OD TO 2"OD 3MM OD TO 38 MM OD
Thickness : 1MM TO 3 MM 0.028 TO 0.156 IN, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS
Size : 1/2" NB - 24" NB
Type : Welded / Capillary Tubes
Form : Round Tubes, Square Tubes, Rectangular Tubes.
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
Finish : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Equivalent Grades of Stainless Steel 347/347H Welded Tubes
STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
SS 347H | 1.4961 | S34709 | SUS 347H | - | X6CrNiNb18-12 |
Chemical Composition of Stainless Steel 347/347H Welded Tubing
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
347 | min. max | 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 | - | 9.0 13.0 | - | Nb=10(C+N) 1.0 |
347H | min. max | 0.04 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 | - | 9.0 12.0 | - | Ti=4(C+N) 0.70 |
ASME SA 269 SS 347/347H Welded Tube 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 |
347H | 515 | 205 | 40 | 95 | 217 |
Other Types of Stainless Steel 347/347H Welded Tubing
Stainless Steel S32100 Welded Instrumentation Tubes | 347/347H Stainless Steel Welded Rectangular Tubes Stockist |
Stainless Steel TP 347/347H Welded Heat Exchanger Tubes | 347/347H Stainless Steel Welded U Shaped Tube Supplier |
Stainless Steel S34700 Welded Tubes Dealer | Stainless Steel 1.4541 Welded Tubing Stockist |
A269 SS S34700 Welded Square Tube Exporter | Stainless Steel S34700 Welded Tubes Dealer |
Stainless Steel 1.4541 Welded Capillary Tubes | Stainless Steel S34700 Welded Tubing in Mumbai |
Stainless Steel SUS 347/347H Welded Polished Tubes | ASME SA269 TP347/347H Stainless Steel Welded Tubes |
Stainless Steel 1.4541 Welded Round Tubes | ASTM A269 TP347/347H Stainless Steel Welded Tubes |
Stainless Steel 347/347H Welded Tubing Exporter in India | 347 Stainless Steel Welded Tubes Manufacturer in India |
Stainless Steel 1.4541 Welded Tubes Manufacturer in India | S34700 Stainless Steel Welded Tubing Supplier in India |
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