ASTM A671 EFW Welded Carbon Steel Pipe_pipe

Description

A671 EFW Steel Pipe

ASTM A671, Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures. Grades 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.

Plain Carbon steel grades:CA 55, CB 60,CB 65,CB 70 CC 60,CC 65,CC 70

Nickel steel grades: CF 65,CF 70,CF 65,CF 70

Alloy steel grades:CJA 115, CJB 115,CJE 115,CJF 115,CJH 115,CJP 115

O.D:18″-56″(457.2-1422mm)

W.T:0.312″-2″(7.92-50.8mm)

Unit Length:5-12.3 meter

Application:It is mainly used for oil and gas transportation pipelines.

Chemical Composition of A671 Pipes

Steel grade

C max

Si

Mn

P

S

A45

0.17

/

0.98

0.035

0.035

A50

0.22

/

CA55/A55

0.28

/

B55

0.20

0.13~0.45

CB60/B60

0.24

CB65/B65

0.28

CB70/C70

0.31

1.30

C55

0.18

0.55-0.98

CC60/C60

0.21

CC65/C65

0.24

0.79-1.30

CC70/C70

0.27

Mechanical Properties of A671 Pipe

Steel Grade

Yield point (N/mm2) max

Tensile Stregth (N/mm2)max

Elongation (%)

A45

165

310~450

30

A50

185

345~485

28

A50

185

345~485

28

CA55/A55

205

380~515

27

B55

205

380~515

27

CB60/B60

220

415~550

25

CB65/B65

240

450~585

23

CB70/B70

260

485~620

21

C55

205

380~515

27

CC60/C60

220

415~550

25

CC65/C65

240

450~585

23

CC70/C70

260

485~620

21

A671 steel Pipe are Fabricated from Pressure Vessel Plate of Several Analysis and Strength Level for Low Temperature Service. We provide A671 CC60, CC65, CC70 Pipe in Class 22, 32 from 18″ to 56″ and wall Thickness up to 50 mm.

Hot Tags: China ASTM A671 EFW Welded Carbon Steel Pipe,ASTM A671 Gr CC60 CL 22 manufacturers, ASTM A671 Gr CC65 suppliers, ASTM A671 steel pipe factory

HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com

,

HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com

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