ASTM A671
ASTM A671
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ASTM A671
ASTM A671: Standard Specification For Electric-Fusion-Welded Steel Pipe For Atmospheric And Lower Temperatures
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  • Plate Specification
  • Heat treatment

Pipe grade

Type of steel

ASTM specification

No.

Grade

CA 55

plain carbon

A285 / A285M

C

CB 60

plain carbon, killed

A515 / A515M

60

CB 65

plain carbon, killed

A515 / A515M

65

CB 70

plain carbon, killed

A515 / A515M

70

CC 60

plain carbon, killed, fine grain

A516 / A516M

60

CC 65

plain carbon, killed, fine grain

A516 / A516M

65

CC 70

plain carbon, killed, fine grain

A516 / A516M

70

CD 70

manganese-silicon, normalized

A537 / A537M

CL1

CD 80

manganese-silicon, Q&T

A537 / A537M

CL2

CFA 65

nickel steel

A203 / A203M

A

CFB 70

nickel steel

A203 / A203M

B

CFD 65

nickel steel

A203 / A203M

D

CFE 70

nickel steel

A203 / A203M

E

CG 100

9% nickel

A353 / A353M


CH 115

9% nickel

A553 A553M

Type 1

CJA 115

alloy steel, Q&T

A517 / A517M

A

CJB 115

alloy steel, Q&T

A517 / A517M

B

CJE 115

alloy steel, Q&T

A517 / A517M

E

CJF 115

alloy steel, Q&T

A517 / A517M

F

CJH 115

alloy steel, Q&T

A517 / A517M

H

CJP 115

alloy steel, Q&T

A517 / A517M

P

CK 75

carbon-manganese-silicon

A299 / A299M

A

CP 80

alloy steel,age hardening,quenched and precipitatoin heat treated

A736 / A736M

A,Class 3

Q&T = quenched and tempered

Heat treatment parameters

Pipe grade

Specification and grade

Post-weld heat treatment temperature range °F (°C)

Normalizing temperature, max, °F (°C)

Quenching temperature, max, °F (°C)

Tempering temperature, min, °F (°C)

Precipitation Heat Treatment temperature,   min, °F (°C)

CA 55

A285 / A285M

1100-1250 (590-680)

1700 (925)

CB 60

A515 / A515M

1100-1250 (590-680)

1750 (950)

CB 65

A515 / A515M

1100-1250 (590-680)

1750 (950)

CB 70

A515 / A515M

1100-1250 (590-680)

1750 (950)

CC 60

A516 / A516M

1100-1200 (590-650)

1700 (925)

1700 (925)

1100 (590)

CC 65

A516 / A516M

1100-1200 (590-650)

1700 (925)

1700 (925)

1100 (590)

CC 70

A516 / A516M

1100-1200 (590-650)

1700 (925)

1700 (925)

1100 (590)

CD 70

A537 / A537M

1100-1250 (590-680)

1700 (925)

CD 80

A537 / A537M

1100-1250 (590-680)

1650 (900)

1100 (590)

CFA 65

A203 / A203M

1100-1175 (590-635)

1750 (950)

CFB 70

A203 / A203M

1100-1175 (590-635)

1750 (950)

CFD 65

A203 / A203M

1100-1175 (590-635)

1750 (950)

CFE 70

A203 / A203M

1100-1175 (590-635)

1750 (950)

CG 100

A353 / A353M

1025-1085 (550-580)

1650 ±25

1050-1125  (560-605)

CH 115

A553 A553M

1025-1085 (550-580)

1475-1700(800-925)

1050-1175  (560-635)

CJA 115

A517 / A517M

1000-1100 (540-590)

1650-1725(900-940)

1150(620)

CJB 115

A517 / A517M

1000-1100 (540-590)

1650-1725(900-940)

1150(620)

CJE 115

A517 / A517M

1000-1100 (540-590)

1650-1725(900-940)

1150(620)

CJF 115

A517 / A517M

1000-1100 (540-590)

1650-1725(900-940)

1150(620)

CJH 115

A517 / A517M

1000-1100 (540-590)

1650-1725(900-940)

1150(620)

CJP 115

A517 / A517M

1000-1100 (540-590)

1650-1725(900-940)

1150(620)

CK 75

A299 / A299M

1100-1250 (590-680)

1700 (925)

CP 80

A736 / A736M

1000-1175 (540-635)

1725(940)

1000-1225  (540-665)

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