ASTM A671,ASTM A672,ASTM 691 EFW Pipe

ASTM A671,ASTM A672,ASTM 691 EFW Pipe

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Brand Name︰ASTM A671,ASTM A672,ASTM 691 EFW Pipe

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ASTM A671 
Pipe Grade Type of Steel ASTM Specification  
No. Grade  
CA 55 plain carbon A 285/A 285M C  
CB 60 plain carbon, killed A 515/A 515M 60  
CB 65 plain carbon, killed A 515/A 515M 65  
CB 70 plain carbon, killed A 515/A 515M 70  
CC 60 plain carbon, killed, fine grain A 516/A 516M 60  
CC 65 plain carbon, killed, fine grain A 516/A 516M 65  
CC 70 plain carbon, killed, fine grain A 516/A 516M 70  
CD 70 manganese-silicon, normalized A 537/A 537M 1  
CD 80 manganese-silicon, quenched and tempered A 537/A 537M 2  
CE 55 plain carbon A 442/A 442M 55  
CE 60 plain carbon A 442/A 442M 60  
CF 65 nickel steel A 203/A 203M A  
CF 70 nickel steel A 203/A 203M B  
CF 66 nickel steel A 203/A 203M D  
CF 71 nickel steel A 203/A 203M E  
CJ 101 alloy steel, quenched and tempered A 517/A 517M A  
CJ 102 alloy steel, quenched and tempered A 517/A 517M B  
CJ 103 alloy steel, quenched and tempered A 517/A 517M C  
CJ 104 alloy steel, quenched and tempered A 517/A 517M D  
CJ 105 alloy steel, quenched and tempered A 517/A 517M E  
CJ 106 alloy steel, quenched and tempered A 517/A 517M F  
CJ 107 alloy steel, quenched and tempered A 517/A 517M G  
CJ 108 alloy steel, quenched and tempered A 517/A 517M H  
CJ 109 alloy steel, quenched and tempered A 517/A 517M J  
CJ 110 alloy steel, quenched and tempered A 517/A 517M K  
CJ 111 alloy steel, quenched and tempered A 517/A 517M L  
CJ 112 alloy steel, quenched and tempered A 517/A 517M M  
CJ 113 alloy steel, quenched and tempered A 517/A 517M P  
CK 75 carbon-manganese-silicon A 299/A 299M    
CP 65 alloy steel, age hardening, nomalized and precipitation heat treated A 736/A 736M 2  
CP 75 alloy steel, age hardening, nomalized and precipitation heat treated A 736/A 736M 3  
 
ASTM A672 
Pipe Grade Type of Steel ASTM Specification  
No. Grade  
A45 plain carbon A 285 A  
A50 plain carbon A 285 B  
A65 plain carbon A 285 C  
B55 plain carbon, killed A 515 55  
B60 plain carbon, killed A 515 60  
B65 plain carbon, killed A 515 65  
B70 plain carbon, killed A 515 70  
C55 plain carbon, killed, fine grain A 516 55  
C60 plain carbon, killed, fine grain A 516 60  
C65 plain carbon, killed, fine grain A 516 65  
C70 plain carbon, killed, fine grain A 516 70  
D70 manganese-silicon-nomalized A 537 1  
D80 manganese-silicon-Q&T A A 537 2  
E55 plain carbon A 442 55  
E60 plain carbon A 442 60  
H75 manganese-molybdenum-nomalized A 302 A  
H80 manganese-molybdenum-nomalized A 302 B, C or D  
J80 manganese-molybdenum-Q&T A A 533 CI-1 B  
J90 manganese-molybdenum-Q&T A A 533 CI-2 B  
J100 manganese-molybdenum-Q&T A A 533 CI-3 B  
K75 chromium-manganese-silicon A202 A  
K857 chromium-manganese-silicon A202 B  
L65 molybdenum A204 A  
L70 molybdenum A204 B  
L75 molybdenum A204 C  
N75 manganese-silicon A 299 ...  
A Q&T = quenched and tempered.
 
ASTM A691
Pipe Grade Type of Steel ASTM Specification HB, max A
Number Grade
CM-65 carbon-molybdenum steel A 204/A 204M A 201
CM-70 carbon-molybdenum steel A 204/A 204M B 201
CM-75 carbon-molybdenum steel A 204/A 204M C 201
CMSH-70 carbon-manganese-silicon steel, normalized A 537/A 537M 1  
CMS-75 carbon-manganese-silicon steel A 299/A 299M ... ...
CMSH-80 carbon-manganese-silicon steel,Q&T A 537/A 537M 2  
1/2 CR 1/2% chromium, 1/2% molybdenum steel A 387/A387M 2 201
1CR 1% chromium, 1/2% molybdenum steel A 387/A387M 12 201
1 1/4 CR 1 1/4% chromium, 1/2% molybdenum steel A 387/A387M 11 201
2 1/4CR 2 1/4% chromium, 1% molybdenum steel A 387/A387M 22 201
3CR 3% chromium, 1% molybdenum steel A 387/A387M 2f 201
5CR 5% chromium, 1/2% molybdenum steel A 387/A387M 5 225
9CR        

ASTM A671 Electric-Fusion-Welded Steel Pipe for Atmosphoric and Lower Temperatures
Pipe Grade-CA 55,CB60,CB65,CB70,CC60,CC65,CC70,CD80,CE50,CE60,DF65,CF70,CF66,CF71,CJ101,CJ102,CJ103,CJ104,CJ105,CJ106,CJ107,CJ108,CJ109,CJ110,CJ112,CJ113,CJ75,CP65,CP75
Class No.-10,11,12,13,20,21,22,23,30,31,32,33,40,41,42,43,50,51,52,53

ASTM A672-Electric-Resistance-Welded Steel Ppe for High-Pressure Service at Moderate Temperatues
Pipe Grade: A45,A50,A55,B55,B60,B65,B70,C55,C60,C65,C70,D70,D80,E55,E60,H75,H80,J80,J90,J100,K75,K85,L65,L70,L75,N75
Class 10,11,12,13,20,21,22,23,30, 31, 32,33,40,41,42,43,50, 51,52,53

ASTM A691 Carbon and Alloy Steel Pipe, Electric-Fusion-Resistance For High-Pressure Service at High-Temperatures
Pipe Grade-CM65,CM70,CM75,CMSH70,CMSH75,CMSH80,1/2Cr,1Cr,2 1/4Cr,3Cr,5Cr,9Cr,91

Class 10,11,12,13,20,21,22,23,30, 31, 32,33,40,41,42,43,50, 51,52,53,60,61,62,63,70,71,72,73

NACE MR 0175/ISO 15156-2 Petroleum and Natural Gas Industries – Materials for Use in H2S Containing Environments in Oil and Gas Production. Part 2. Cracking resistant Carbon and Low Alloy Steels, and the Use of Cast Irons.

1.3.3 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
60 normalized and precipitation heat treated none none
61 normalized and precipitation heat treated 9 none
62 normalized and precipitation heat treated 9 8.3
63 normalized and precipitation heat treated 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

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