K-8016B8

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

KS           D 7022 : DT2616
AWS       A5.5 : E8016-B8
EN          ISO 3580-B : E62 16-9C1M H10
JIS          Z 3230 : DT2616

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.6~6.0 KS D 7022
AWS A5.5
EN ISO 3580-B
JIS Z 3230
DT2616
E8016-B8
E62 16-9C1M H10
DT2616
F, HF, H, VU, OH AC/DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.08 0.74 0.98 0.020 0.013 8.84 0.03 0.90
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
690 780 21 45 (0℃) 740℃X1Hr
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