Chinese Standard 16MnDR Boiler Steel Plates

Steel Grade

Standard

Corresponding Foreign Standards

Main Function

Q245R

Q345R

16MnDR

GB713

GB3531

DIN EN10028-2

ISO 9328-2

JIS G3115

ASTM A537M

Mainly for manufacturing spherical tanks with volume more than 50 cubic meters. Also for manufacturing second & third category vessels such as mono-laycred roll-weld vessels, shrunk-on multilaycred roll-weld vessels, weld-shrunk multilayered vessels and low-temperature pressure vessels.

Steel Grade

Plate Thickness

mm

Plate Width

mm

Plate Length

mm

Condition of Delivery

Q245R

Q345R

16MnDR

4~60

1300~2600

4000~12000

Hot-rolled, CNC-rolled & heat-treated; also be able to deliver as ultrasonic-detected as the users’ requirements.

Steel Grade

C

Si

Mn

P

S

Q245R

≤0.20

≤0.35

0.50~1.00

≤0.025

≤0.015

Q345R

≤0.20

≤0.55

1.20~1.60

≤0.025

≤0.015

16MnDR

≤0.20

0.15~0.50

1.20~1.60

≤0.020

≤0.010

Steel Grade

Plate Thickness

mm

Tensile Test

180o Cold Bend Test

d=Bend Diameter

a=Sample thickness

b=2a

Impact Test

Yield Strength MPa

Tensile Strength MPa

Elongation %

Temperature ℃

V-Ballistic Work Akv(J)

Q245R

10~16

≥245

400~520

≥25

d=1.5a

0

≥31

>16~36

≥235

>36~60

≥225

Q345R

6~16

≥345

510~640

≥21

d=2a

0

≥34

>16~36

≥325

500~630

d=3a

>36~60

≥315

490~620

16MnDR

10~16

≥315

490~620

≥21

d=2a

-40

≥24

>16~36

≥295

470~600

d=3a

>36~60

≥275

450~580

-30