ASME SA671/SA671M

ASME SA671/SA671M Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures covers standard requirements for electric-fusion-welded steel pipe with filler metal added, for atmospheric and lower temperatures

ASME SA671 Electric-Fusion-Welded Steel Pipes for Atmospheric and Lower Temperatures

ASME SA671 Grades:CA55, CB70, CB60, CB65, CB70, CC60, CC65, CC70, CD70, CD80, CF70, CJ106 in Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42, 43.

Application

Standard Specification

Specification

ASTM A671 / ASME SA671

Types

EFW (Electric Fusion Welded Pipes)

Outer Diameter Size

16" NB To 100" NB (Nominal Bore Size)

Wall Thickness

Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness

Length

5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size.

Pipe Ends

Plain Ends / Beveled Ends / threaded Ends/ Coupling

Packaging

Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector

ASME SA671 EFW Pipes Grades

ASME SA671 / ASTM A671 GRADE CA55, CB60, CB65, VB70, VV60, VV65, VV70, CD70, CD80, CE55, CE60, CF65, CF70, CF66, CF71, CG100, CH100, CJ101, CJ102, CJ103, CJ104, CJ105, CJ106, CJ107, CJ108, CJ109, CJ110, CJ111, CJ112, CJ113, CK75, CP65, CP75

ASME SA671 EFW Pipes Class

Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42

 

Specification

Steel grade

Chemical composition

Remarks

C

Si

Mn

P

S

Ti

Pipes for pressure service
ASTM SA671

CA55

0.28

-

0.98

0.035

0.035

-

SA671

CB60

0.24

0.13
~0.45

CB65

0.28

CB70

0.31

1.30

CC60

0.21

0.55
~0.98

CC65

0.24

0.79
~1.30

CC70

0.27

 

eel Grade

BASE METAL MECHANICAL COMPOSITION

Welding point tensile strength (N/mm2)

Remarks

Yield point (N/mm2)

Tensile Stregth (N/mm2)

Test Pieces

Elongation (%)

CA55

205

380~515

-

27

380~515

SA671

CB60

220

415~550

25

415~550

CB65

240

450~585

23

450~585

CB70

260

485~620

21

485~620

CC60

220

415~550

25

415~550

CC65

240

450~585

23

450~585

CC70

260

485~620

21

485~620