ASTM A671 GR. CC60 LSAW Welded Pipes

ASTM A671 / A671M Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures This specification covers standard requirements for electric-fusion-welded steel pipe with filler metal added, for atmospheric and lower temperatures. The steel pipe shall be...

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ASTM A671 / A671M Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures

This specification covers standard requirements for electric-fusion-welded steel pipe with filler metal added, for atmospheric and lower temperatures. The steel pipe shall be fabricated from a pressure vessel quality plate of several analysis and strength levels. Several grades and classes of pipe shall be provided. Grade shall designate the type of plate used while class shall designate the type of heat treatment performed during pipe manufacture. Class shall be designated as to whether the weld is radiographically examined, and as to whether the pipe is pressure tested. Steel samples shall undergo tension and transverse guided weld bend tests and conform to the specified mechanical requirements.

Class designations are as follows (Note 1):

Class

Heat Treatment on Pipe

Radiography, see Section

Pressure Test, see:


10

none

none

none

11

none

9

none

12

none

9

8.3

13

none

none

8.3

20

stress relieved, see 5.3.1

none

none

21

stress relieved, see 5.3.1

9

none

22

stress relieved, see 5.3.1

9

8.3

23

stress relieved, see 5.3.1

none

8.3

30

normalized, see 5.3.2

none

none

31

normalized, see 5.3.2

9

none

32

normalized, see 5.3.2

9

8.3

33

normalized, see 5.3.2

none

8.3

40

normalized and tempered, see 5.3.3

none

none

41

normalized and tempered, see 5.3.3

9

none

42

normalized and tempered, see 5.3.3

9

8.3

43

normalized and tempered, see 5.3.3

none

8.3

50

quenched and tempered, see 5.3.4

none

none

51

quenched and tempered, see 5.3.4

9

none

52

quenched and tempered, see 5.3.4

9

8.3

53

quenched and tempered, see 5.3.4

none

8.3

70

quenched and precipitation heat  treated

none

none

71

quenched and precipitation heat  treated

9

none

72

quenched and precipitation heat  treated

9

8.3

73

quenched and precipitation heat  treated

none

8.3


A 671 Grade CC 60, CC 65, CC 70 Carbon Steel welded Pipe Specifications, Stock and Supply Range


Size : 12”NB-72”NB

Wall Thickness : 8MM TO 50 MM THK

Grade: A671 CC 60, CC 65, CC 70

Specialized in: Large Diameter Size

Schedules: SS 5, S 10, S 20, S 40, S 60, S XS, S 80, S 100, S 120, S 140, S 160, S XXS

End type: Plain, Bevel, Screwed, Threaded

Pipe Type: ERW or LSAW

Form: Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes

Length: Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths

Outside Coating: Black Painting, Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements

Inspection, Test Reports: Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, Destructive Test Report, Non Destructive Test Reports

Packing: Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled,or Loose

Specials: Sizes and Specifications other than above can be manufactured on request

 



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