大西洋JW-81B2实心焊丝

JW-81B2/M

JWR307

E81T1-B2C

T55T1-1C1-1CM

0.05-0.12

≤1.25

≤0.80

≤0.030

≤0.030

1.00-1.50

—

0.40-0.65

—

550-690

≥470

≥19

—

690*1h