品名

类别

AWS型号

典型化学成分，%

特点和用途

C

Mn

Si

Cr

Ni

Mo

低合金钢焊丝

Techalloy 80S-B2

ER80S-B2

0.09

0.55

0.48

1.35

0.55

1.25Cr-0.5Mo钢焊接

Techalloy 80S-B6

ER80S-B6

0.07

0.44

0.36

5.45

0.55

5CrMo钢焊接

Techalloy 80S-B8

ER80S-B8

0.08

0.45

0.34

9.15

1.05

9CrMo钢焊接

Techalloy 90S-B9

ER90S-B9

0.11

0.60

0.19

9.0

0.5

0.95

P91(T91)钢焊接

Techalloy 110S-1

ER110S-1

0.07

1.55

0.45

0.3

2.30

0.42

σ_S680Mpa,A_k87J(-51℃)

Techalloy 120S-1

ER120S-1

0.08

1.5

0.45

0.35

2.55

0.50

σ_s730Mpa,A_k80J(-51℃)