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description:

CHF101CX/CHW-SHW-S9

 

CHF101CX/CHW-SHW-S9flux/wire combination has excellence welding performance. The weld metal shows a fine appearance and the deposited metal has a satisfactory low temperature toughness and hihg strength steel structures, especially for spiral or longitudinal welded huge diameter pipe made by X65,X70&X80 steels. It could be four wires weding at same time and the welding at same time and the welding speed is 1.40m-2.00m per minute. Before welding,the base metal muse clear away impurities and the flux muse be baked in a temperature of 300℃-350℃ for 1.5-2 hours.

Chemical Composition (Typical,%)

 
C
Mn
Si
S
P
Mo
Ti
Cu
CHW-S9(EA2)
0.07
1.48
0.15
0.010
0.011
0.39
0.15
0.10
Deposited Metal
0.06
1.15
0.40
0.006
0.016
0.30
0.11
0.05

Mechanical Properties of Deposited Metal

 

Yield Point

бs(Mpa)

Tensile Strength

бb(Mpa)

Elongation

б5(%)

Impact Value(J)
-30℃ -40℃
Standard ≥470 550-700 ≥20 ≥27  
Typical 510 610 26 110 80

Menchanical Properties of Deposited Metal of Welded Joint(Typical,base metal is X70 plate)

Tensile Strength Impact Value(J) Cut Acreage Hardness(Hv)
-20℃ (SA,%) Weld Metal HAZ
650 150 80 240 230