J607RH J607QR J757Ni J857CrNi 高强钢焊条

牌号

型号

aws

熔敷金属化学成分(wt.%)

熔敷金属机械性能

c

mn

si

s

p

cr

ni

mo

v

其他

r m

(mpa)

rel

(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℃×1h