EFW Electric Fusion Welded Steel Pipes ASTM A671,ASTM A672,ASTM A691

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Hebei Senhai Pipeline Co., Ltd. manufacture and export ASTM A**1, ASTM A**2, ASTM A**1 EFW Electric-Fusion-Welded Steel Pipe for Atmosphoric and Lower Temperatures 

Pipe Grade-CA *5, CB*0, CB*5, CB*0, CC*0, CC*5, CC*0, CD*0, CE*0, CE*0, DF*5, CF*0, CF*6, CF*1, CJ**1, CJ**2, CJ**3, CJ**4, CJ**5, CJ**6, CJ**7, CJ**8, CJ**9, CJ**0, CJ**2, CJ**3, CJ*5, CP*5, CP*5 

Class No.**0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3 

ASTM A***-Electric-Fusion-Welded Steel Ppe for High-Pressure Service at Moderate Temperatues 

Pipe Grade: A*5, A*0, A*5, B*5, B*0, B*5, B*0, C*5, C*0, C*5, C*0, D*0, D*0, E*5, E*0, H*5, H*0, J*0, J*0, J**0, K*5, K*5, L*5, L*0, L*5, N*5 

Class *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3 

ASTM A**1 Carbon and Alloy Steel Pipe, Electric-Fusion-Resistance For High-Pressure Service at High-Temperatures 

Pipe Grade-CM*5, CM*0, CM*5, CMSH*0, CMSH*5, CMSH*0, 1/2Cr, 1Cr, 2 1/4Cr, 3Cr, 5Cr, 9Cr, *1 

Class *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3, *0, *1, *2, *3 

NACE MR ***5/ISO ******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: 

*0 none none none 

*1 none 9 none 

*2 none 9 8.3 

*3 none none 8.3 

*0 stress relieved, see 5.3.1 none none 

*1 stress relieved, see 5.3.1 9 none 

*2 stress relieved, see 5.3.1 9 8.3 

*3 stress relieved, see 5.3.1 none 8.3 

*0 normalized, see 5.3.2 none none 

*1 normalized, see 5.3.2 9 none 

*2 normalized, see 5.3.2 9 8.3 

*3 normalized, see 5.3.2 none 8.3 

*0 normalized and tempered, see 5.3.3 none none 

*1 normalized and tempered, see 5.3.3 9 none 

*2 normalized and tempered, see 5.3.3 9 8.3 

*3 normalized and tempered, see 5.3.3 none 8.3 

*0 quenched and tempered, see 5.3.4 none none 

*1 quenched and tempered, see 5.3.4 9 none 

*2 quenched and tempered, see 5.3.4 9 8.3 

*3 quenched and tempered, see 5.3.4 none 8.3 

*0 normalized and precipitation heat treated none none 

*1 normalized and precipitation heat treated 9 none 

*2 normalized and precipitation heat treated 9 8.3 

*3 normalized and precipitation heat treated none 8.3 

*0 quenched and precipitation heat treated none none 

*1 quenched and precipitation heat treated 9 none 

*2 quenched and precipitation heat treated 9 8.3 

*3 quenched and precipitation heat treated none 8.3 

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