C

Mn

Si

S

P

Cr

Ni

Mo

V

其他

R _m

(MPa)

R_eL

(MPa)

A

(%)

KV₂

(J)

PWHT

R106Fe

E5018-1M3

E7018-A1  

≤0.12

≤1.00

≤0.80

≤0.015

≤0.020

—

—

0.40-0.65

—

—

≥490

≥410

≥22

0℃

≥54

620℃×1h

R307

E5515-1CM

E8015-B2

0.05-0.12

≤0.90

≤0.80

≤0.015

≤0.020

1.00-1.50

—

0.40-0.65

—

—

≥550

≥460

≥20

0℃

≥54

690℃×1h

R307（H）

E5515-1CM

—

0.05-0.12

≤0.90

≤0.80

≤0.010

≤0.010

1.00-1.50

—

0.40-0.65

—

—

≥550

≥460

≥20

-10℃

≥54

-20℃

≥54

690℃×6h

R306Fe

E5518-1CM

E8018-B2

0.05-0.12

≤0.90

≤0.80

≤0.015

≤0.020

1.00-1.50

—

0.40-0.65

—

—

≥550

≥460

≥17

0℃

≥54

690℃×1h

R317

E5515-

1CMV

—

0.05-0.12

≤0.90

≤0.60

≤0.015

≤0.020

0.80-1.50

—

0.40-0.65

0.10-0.35

—

≥550

≥460

≥15

0℃

≥54

730℃×2h

R407

E6215-

2C1M

E9015-B3

0.05-0.12

≤0.90

≤1.00

≤0.015

≤0.020

2.00-2.50

—

0.90-1.20

—

—

≥620

≥530

≥15

0℃

≥54

690℃×1h

R406Fe

E6218-

2C1M

E9018-B3

0.05-0.12

≤0.90

≤1.00

≤0.015

≤0.020

2.00-2.50

—

0.90-1.20

—

—

≥620

≥530

≥15

0℃

≥54

690℃×1h

R507

E5515-

5CMV

E8015-B6

≤0.12

0.50-0.90

≤0.50

≤0.015

≤0.020

4.5-

6.0

Cu≤0.50

0.40-0.70

0.10-0.35

—

≥550

≥460

≥14

常温

≥54

750℃×4h

R717

E6215-

9C1MV

E9015-B9

0.08-0.13

≤1.25

≤0.30

≤0.010

≤0.010

8.0-

10.5

≤1.0

0.85-1.20

0.10-0.35

Mn+Ni≤1.5
Cu≤0.25

Al≤0.04

Nb:0.02-0.10

N:0.02-0.07

≥620

≥530

≥15

—

740℃×2h