High Temperature DIN17175 St35.8 St45.8 Seamless Carbon Steel Boiler Tube

Product Details

High Temperature DIN17175 St35.8 St45.8 seamless Carbon Steel Boiler Tube

Standard: DIN17175
Steel Grade: St35.8, St45.8
Size: OD (10-219mm) x WT (1-30mm)
Application: For high, middle, low pressure boiler and pressure purpose

Delivery Condition:

Annealed, Normalized, Normalized and Tempered

Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,
Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test.

Surface treatment:
Oil-dip, Varnish, black painted

Chemical Composition:

STANDARD

GRADE

CHEMICAL COMPOSITION

C

Si

Mn

P,S

Cr

Mo

DIN 17175

St35.8

=0.17

0.10-0.35

0.40-0.80

=0.030

/

/

St45.8

=0.21

0.10-0.35

0.40-1.20

=0.030

/

/

15Mo3

0.12-0.20

0.10-0.35

0.40-0.80

=0.030

/

0.25-0.35

13CrMo44

0.10-0.18

0.10-0.35

0.40-0.70

=0.030

0.70-1.10

0.45-0.65

10CrMo910

0.08-0.15

=0.50

0.40-0.70

=0.030

2.00-2.50

0.90-1.20

Mechanical Property:


     STANDARD

GRADE

Tensile Strength(Mpa)

Yield Strength(Mpa)

Elongation (%)

DIN 17175

St35.8

360-480

=235

=25

St45.8

410-530

=255

=21

15Mo3

450-600

=270

=20

13CrMo44

440-590

=290

=20

10CrMo910

450-600

=280

=18

Any questions or inquiries will be highly appreciated.

Kindly please contact us freely at gracewang@ruichengsteel.cn

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