DIN pressure vessel steel material 15Mo3 boiler steel plate belongs to Pearlite Heat-resistant steel, which is in accordance with DIN17155 standard. 15Mo3 boiler steel plate can still show its characteristics under long-term load at higher temperatures. DIN pressure vessel steel 15Mo3 can be used as heating surface pipe, economizer, superheater, reheater, etc. of high pressure boiler (working pressure is generally above 9.8 MPa, working temperature is between 450 ℃ and 650 ℃).

DIN pressure vessel steel material 15Mo3 boiler steel plate chemical composition:


Grade

C

Si

Mn

P

S

Al

Cr

Cu

Mo

Nb

Ni

Ti

V

15Mo3

0.12-0.20

0.10-0.35

0.40-0.90

0.035

0.030

 

0.25

0.30

0.25-0.35

 

0.30

 

 

DIN pressure vessel steel material 15Mo3 boiler steel plate mechanical properties:


Grade

Material
Number

Yield strength

Tensile strength

Elongation

Thickness (mm)

≤16

16-40

40-60

60-100

100-150

≤60

60-100

100-150

≤60

60-150

15Mo3

1.5415

275

270

260

240

220

440-590

430-580

420-570

20

19

DIN pressure vessel steel material 15Mo3 boiler steel plates are often used in the manufacture of petroleum, chemical, gas separation, gas storage and transportation vessels or other similar equipment, such as various towers, heat exchangers, storage tanks, tank cars, etc.