C

Mn

Si

P

S

Cr

Ni

Mo

V

R _m

(MPa)

R_eL

(MPa)

A

(%)

KV₂ (J)

耐热钢CO₂气体保护

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

JW-81B2V/M

JWR317

E81T1-B2C

T55T1-1C1-G1CMV

≤0.12

≤1.50

≤0.90

≤0.030

≤0.030

1.00-1.50

—

0.40-0.65

0.10-0.35

≥550

≥470

≥19

—

730*2h

类别

牌号

AWS A5.29

GB/T 10045

熔敷金属化学成分(wt.%)

熔敷金属力学性能

PWHT

C

Mn

Si

P

S

Cr

Ni

Mo

V

R _m

(MPa)

R_eL

(MPa)

A

(%)

KV₂ (J)

—

低温钢CO₂气体保护

JW-81K2/M

E81T1-K2C

E556T1-1C1A-N3

≤0.15

0.50-1.75

≤0.80

≤0.030

≤0.030

≤0.15

1.00-2.00

≤0.35

≤0.05

550-690

≥470

≥19

-60℃

≥27

—

JW-81Ni1/M

E81T1-Ni1C

E554T1-1C1A-N2

≤0.12

≤1.5

≤0.80

≤0.030

≤0.030

≤0.15

0.80-1.10

≤0.35

≤0.05

550-690

≥470

≥19

-40℃

≥27

—

JW-81Ni2/M

E81T1-Ni2C

E554T1-1C1A-N5

≤0.12

≤1.5

≤0.80

≤0.030

≤0.030

—

1.75-2.75

—

—

550-690

≥470

≥19

-40℃

≥27

—