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304 / 304L, 316 316L, 321,duplex S31803, 2205,nickel alloy U-bend or U-shape bending boiler exhcanger tubes

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304 / 304L, 316 316L, 321,duplex S31803, 2205,nickel alloy U-bend or U-shape bending boiler exhcanger tubes

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Brand Name : Torich

Model Number : ASTM A213

Certification : ISO9001 ISO14001 TS16949

Place of Origin : China

MOQ : 1tons

Price : negotiation

Payment Terms : L/C, T/T

Supply Ability : 5000tons per year

Delivery Time : 5-8 weeks

Packaging Details : in wooden boxes packaging

Application : Boiler or exchanger

Technique : Hot Rolled,Cold Drawn,Cold Rolled

Thickness : 0.6 - 50.0 mm

Standard : ASTM

Alloy or not : Is Alloy

Section shape : Round

Secondary or not : Non-secondary

Material : Stainless steel

Product name : 304 316 304H Stainless steel heat exchanger and boiler tubes

Type : SMLS

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304 / 304L, 316 316L, 321,duplex S31803, 2205,nickel alloy U-bend or U-shape bending boiler exhcanger tubes

Key words:

Stainless steel seamless U tubes

SS seamless U tubes

Stainless steel U tubes

SS U tubes

ASTM A213 Stainless steel seamless steel U tubes

Size: OD:6.35mm- 273mm

WT:

0.7-3.68mm

Length: 16m max

ASTM A213

Surface: Annealing pickling ,Bright annealing

Application: Heat exchanger Feedwater Heater

Testing: Measuring test,100% ECT HT etc.

Relative standard:

ASTM A213 ASTM A249 ASTM A798 ASTM A268 SA 268

ASTM A688 A803

ASTM B163

Production Method: Cold drawing and Cold rolled.

Features :

  • 'U' bending is done by cold working process.
  • 'U' bending is done to the required radius as per customer drawings.
  • The bend portion and six inch leg is stress relieved by resistance heating.
  • Inert gas (Argon) is passed through it at the required flow rate to avoid oxidation in ID.
  • The radius is checked for its OD and wall thinning with the recommended specification.
  • The physical properties and micro-structure is checked at three different position.
  • Visual inspection for waviness and cracks is done with Dye Penetrant Test.
  • Each tube is then hydro tested at the recommended pressure to check for leakage.
  • Cotton ball test is done to check the ID cleanliness of the tube.
  • Thereafter pickled, dried, marked and packed.
  • 304 / 304L, 316 316L, 321,duplex S31803, 2205,nickel alloy U-bend or U-shape bending boiler exhcanger tubes

304 / 304L, 316 316L, 321,duplex S31803, 2205,nickel alloy U-bend or U-shape bending boiler exhcanger tubes Manufactures

304 / 304L, 316 316L, 321,duplex S31803, 2205,nickel alloy U-bend or U-shape bending boiler exhcanger tubes Images

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