焊丝化学成分(wt.%)

C

Mn

Fe

P

S

Si

Cu

Ni

Al

Ti

Cr

Nb(Cb)+Ta

Mo

其他

TGFNiCr-3

≤0.10

2.5-3.5

≤3.0

≤0.03

≤0.015

≤0.50

≤0.50

≥67.0

—

≤0.70

18.0-22.0

2.0-3.0

—

≤0.50

TGFNiCrMo-3

≤0.10

≤0.50

≤5.0

≤0.02

≤0.015

≤0.50

≤0.50

≥58.0

≤0.40

≤0.40

20.0-23.0

3.15-4.15

8.0-10.0

≤0.50