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Lord Fin Tube-A192 Serrated Spiral Finned Tube

1.0 ASTM A192 Serrated Spiral Finned Tube General Requirement: 

The ASTM A192 Serrated Spiral Finned Tube material shall be used for the fabrication of pressure parts and all requirements shall comply with the applicable codes and standards as listed in Clause No. 2 of this specification

2.0 ASTM A192 Serrated Spiral Finned Tube Applicable code

ASME SECTION 1 EDITION 2017 

ASME SECTION II PART A SA 192, A 450 EDITION 2017

ASME SECTION II PART D, EDITION 2017

3.0 ASTM A192 Serrated Spiral Finned Tube Additional Requirements Code/Standards

EN10204 3.1

4.0 ASTM A192 Serrated Spiral Finned Tube Mechanical Tests:

Following Mechanical Tests will be performed as per ASME SEC II Part A, A 450 Ed. 2017

Flattening Test             Flaring Test          Hardness Test              Hydrostatic Test

5.0 ASTM A192 Serrated Spiral Finned Tube Test Certificate:

Material Test certificate should be according to ASME Sec. II Part a Ed. 2017 & EN10204 3.1

Heat Number 

Heat analysis                                Flaring Test Acceptable, 

Tensile properties                          Hardness Test Values 

Flattening test Acceptable                Hydrostatic Test Pressure

Flaring Test Acceptable,                   Hot Finished 

7.0 ASTM A192 Serrated Spiral Finned Tube Condition of Delivery:

7.1 Tubes shall either be hot finished or cold drawn if cold drawn it should be heat treated at 650℃ or at higher temperature. 

7.2 All the tubes shall be new and free of scale, dirt, grease, paint, or other foreign materials and suitably protected with rust preventative coatings at the time of supplies.

8.0 ASTM A192 Serrated Spiral Finned Tube Repairs: 

Repair of defects by welding is not permitted.

9.0 ASTM A192 Serrated Spiral Finned Tube Rust Prevention:

All the tubes shall be protected with rust preventative coatings suitable for providing resistance from atmospheric corrosion during outside storage for atleast six months. 

10.0 ASTM A192 Serrated Spiral Finned Tube Marking: 

ASME: SA 192    Hot Finished        Melt No:  (Stamped)          Supplier’s Name:           Inspection authority’s mark: 

11.0 ASTM A192 Serrated Spiral Finned Tube Rejection & Replacement: 

11.1 Each length of tubing receiving from the manufacturer will be inspected if it does not meet the requirements of the specification based on the inspection and test method as outlined in the specification, the length may be rejected. 

11.2 Tubes when inserted in the boiler shall stand expanding and beading without showing cracks or flaws. Superheater tubes when properly manipulated shall stand all forging, welding and beading operations necessary for application without developing defects

12.0 ASTM A192 Serrated Spiral Finned Tube Sample Inspection

Sample inspection is the responsibility of supplier

13.0 ASTM A192 Serrated Spiral Finned Tube Ends All Tubes Must Be With Square Cut Ends

14.0 ASTM A192 Serrated Spiral Finned Tube Name of the Mill Sample Test Certificate: 

A192 Serrated Sprial Finned Tube

A192 Serrated Sprial Finned Tube

ASTM A192 Serrated Spiral Finned Tube Description

Plain Tube: CS: Sa-192; SMLS; PE; OD = 63.5 mm; Thk = 4.0 mm (Min)

Plain Tube: CS: A 213 T22; SMLS; PE; OD = 50.8mm; Thk = 5.5 mm (Min)

Tube Reducer; Concentric; Butt Weld; Sa 192; 76.1 Mm X 63.5 mm (Od); 4.0 Mm Thk .

SMLS Tube Dia: 44.5 Mm; 4.5 mm Thk. Mat: A 213 T22; 19000 Mm Finned Length; 200/900 Mm ; Plain Ends; Fin Height: 9.5 mm; 1 mm Thk.; Solid Spiral; Ss 304; 220 Fins/Mtr .

SMLS Tube Dia: 38.0 Mm; 2.9 mm Thk. Mat: A 192; 18000 mm Finned Length; 200/200 mm; Plain Ends; Fin Height: 16.0 Mm; 0.8 mm Thk.; Serrated Spiral; Cs; 300 Fins/Mtr .

SMLS Tube Dia: 38.0 Mm; 2.9 mm Thk. Mat: A 192; 18000 mm Finned Length; 200/200 mm; Plain Ends; Fin Height: 16.0 mm; 1.0 mm Thk.; Serrated Spiral; Cs; 160 Fins/Mtr .

SMLS Tube Dia: 38.0 Mm; 2.9 mm Thk. Mat: A 192; 18000 mm Finned Length; 200/200 mm ; Plain Ends; Fin Height: 16.0 Mm; 1.0 mm Thk.; Solid Spiral; Cs; 120 Fins/Mtr .

SMLS Tube Dia: 31.8 Mm; 2.9 mm Thk. Mat: A 192; 18000 mm Finned Length; 200/200 mm; Plain Ends; Fin Height: 16.0 Mm; 0.8 mm Thk.; Serrated Spiral; Cs; 300 Fins/Mtr .

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