K-9015B9

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

Category:
K-8016B8
KST-307-15

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
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 (%)
C Si Mn P S Cr Ni Mo Remark
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

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