DIN17175 غلايات بخار الضغط العالي سلس أنابيب الصلب

Chemical composition

Steel grade

C

Si

Mn

P

S

Cr

Mo

Steel name

max

max

St35.8

0.17

0.10-0.35

0.40-0.80

0.003

0.003

/

/

St45.8

0.21

0.10-0.35

0.40-1.20

0.003

0.003

/

/

15Mo3

0.12-0.20

0.10-0.35

0.40-0.80

0.003

0.003

/

0.25-0.35

Note: Special steel grade is also available, according to customer request.

Mechanical properties

Steel Grade

Tensile properties

Tensile

Elongation A min.%

Mpa

Mpa

St35.8

≥235

350-480

≥25

St45.8

≥255

410-530

≥21

15Mo3

≥270

460-600

≥20