Number

International Standard

C

Mn

Si

Cu

S

P

Re

J50

GB ER50-6
AWS ER70S-6

0.06-0.15

1.40-1.85

0.85-1.15

≤0.30

≤0.025

≤0.025

minim

H08Mn2SiA

GB ER49-1

≤0.11

1.80-2.10

0.65-0.95

≤0.35

≤0.03

≤0.03

Number

International Standard

Yield Strength
Mpa

Tensile Strength
Mpa

Elongation
%

Impact strength J()

J50

GB ER50-6
AWS ER70S-6

≥500

≥420

≥22

-29≥27

H08Mn2SiA

GB ER49-1

≥490

≥372