K-9015B9

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Welding of 9%Cr-1%Mo-V-Nb steels, heater of high temperature and high pressure boilers
AWS

A5.5 : E9015-B91 H4R

EN

ISO 3580-B : E62 15-9C1MV H5

EN

ISO 3580-B : ECrMo91 B 42 H5

Key Features

 
Sizes (mm)StandardWelding Position
View(+)
Shielding gasPolarity
2.6~6.0 AWS A5.5
EN ISO 3580-B
EN ISO 3580-B
E9015-B91 H4R
E62 15-9C1MV H5
ECrMo91 B 42 H5
F, HF, H, VU, OH - DC(+)
 
Typical chemical composition all-weld metal (%)
CSiMnPSCrNiMoRemark
0.09 0.27 0.62 0.010 0.010 8.92 0.28 1.08 V : 0.22 Nb : 0.08
 
Typical mechanical properties of all-weld metal
Y.S (MPa)T.S (MPa)EI. (%)Hardness (HV)IV (J)PWHT
680 760 21 - 40 (0℃) 760℃X2Hr
Product Dimensions and Weld Current Range
 
Welding
Position
Sizes (mm)Ampere (A)Volt (V)
Min.Max.Min.Max.
F, HF 2.6mm 50 90    
VU, OH 2.6mm 50 80    
F, HF 3.2mm 75 115    
VU, OH 3.2mm 70 110    
F, HF 4.0mm 120 160    
VU, OH 4.0mm 90 130    
F, HF 5.0mm 160 210    
VU, OH 5.0mm 130 170    
F, HF 6.0mm 210 260