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牌號(hào)

型號(hào)

AWS

熔敷金屬化學(xué)成分(wt.%)

熔敷金屬機(jī)械性能

C

Mn

Si

S

P

Cr

Ni

Mo

V

其他

R _m

(MPa)

R_eL

(MPa)

A

(%)

KV₂(J)

PWHT

J607RH

E6215-

N2M1

E9015-G

≤0.12

0.70-1.50

≤0.80

≤0.015

≤0.020

—

0.80-1.50

0.10-0.40

—

—

≥620

≥530

≥17

-40℃

≥54

620℃×1h

J607QR

E6215-

N5M1

E9015-G

≤0.12

0.60-1.20

≤0.80

≤0.015

≤0.020

—

2.0-2.75

≤0.30

—

—

≥620

≥530

≥17

-60℃

≥54

580℃×6h

J757Ni

E7615-G

E11015-G

≤0.10

≥1.00

≤0.60

≤0.020

≤0.020

≤0.20

2.00-2.60

0.40-0.70

—

—

≥760

≥670

≥15

-50℃

≥54

620℃×1h

J857CrNi

E8315-G

E12015-G

≤0.10

1.30-2.25

≤0.60

≤0.020

≤0.020

0.30-1.50

1.75-2.50

0.30-0.55

≤0.05

—

≥830

≥740

≥12

-50℃

≥54

620℃×1