Style

Chinese standard

U.S.A(AWS)

Japan(JIS)

tensile strength(Mpa)

yield strength(Mpa)

elongation(%)

Akv

ballisticwork(J)

room temperature

shielding gas

Melt the deposited metal main chemical composition(%)

Main usage

C

Mn

Si

S

P

Cu

other

LY-ER49-1

GB/T ER49-1

545

425

30

30

CO2

0.08

1.97

0.72

0.019

0.020

0.20

≤0.50

Apply to 500 MPa grade steel alloy of single channel and many way welding.

LY-ER50-3

GB/T ER50-3

ER70S-3

YGM16

545

425

30

30(-20°C)

20%CO2+80%Ar

0.09

1.20

0.66

0.020

0.016

0.20

≤0.50

Used for 450 and 500 MPa levels of carbon steel and low alloy steel single channel and many way, joint or Angle connect of welding.

LY-ER50-6

GB/T ER50-6

ER70S-6

YGM12

540

420

29

90(-29°C)

100%CO2

0.08

1.50

0.92

0.016

0.020

0.20

≤0.50

Used for the carbon steel and the low alloy steel 500 MPa of single channel and multi-channel welding; Also can be used for thin plate, pipeline steel welding speed.

LY-ER50-G

GB/T ER50-G

ER70S-G

YGM12

540

420

29

70(-40°C)

20%CO2+80%Ar

0.08

1.50

0.92

0.016

0.020

0.20

≤0.50

Used for the carbon steel and the low alloy steel 500 MPa of single channel and multi-channel welding; Also can be used for thin plate, pipeline steel welding speed.