Low Carbon Steel Welding Rod Symbol According to Japanese Standards (Jis).
E 430 65 450 20 c E 502 60 420 20 a E 505 60 420 20 a E 630 135 930 7 d E 16 -8 -2 80 550 35 Are not E7Cr 60 420 20 a Note : - Heat 840 – 870 0 C, keep heat for 2 hours, cool with furnace 65 0 C /h to 600 0 C, cool with air. - Heat 600 -620 0 C, keep heat for 1 hour. Cool with air. - Heat 760 – ...












