-40 °C Tank(16MnDR)

Application > -40 °C Tank(16MnDR)

-40 °C Tank(16MnDR)

1 Main use

The  16MnDR steel plate is pure and has good comprehensive mechanical  properties, weldability and low temperature impact toughness. Used in the manufacture of cryogenic pressure vessel storage tanks with a minimum operating temperature of -40 °C.

2 grades and standards

Product grade: 16MnDR

Executive standard: GB3531-2008

3 Technical conditions of supply

3.1 Product Specifications

10~80×1500~4000×L;

3.2 Chemical composition

Table 1 Chemical composition, %

Steel Grade

C≤

Si

Mn

P≤

S≤

Alt≥

16MnDR

0.20

0.15~0.50

1.20~1.60

0.025

0.012

0.020

 

3.3 Mechanical properties

Table 2 Mechanical properties

Steel Grade

规格,mm

σb,MPa

σs,MPa

δ5,%

AKV, J,横向

180°弯曲试验

弯心直径(b≥35mm)

不小于

16MnDR

6~16

490~620

315

21

34(-40℃)

d=2a

>16~36

470~600

295

d=3a

>36~60

460~590

285

>60~80

450~580

275

34(-30℃)

 

3.4 Delivery status: normalizing or normalizing + tempering