Boiler pipe DIN17175

Detailed Product Description

Boiler pipe DIN17175

DIN17175 steel pipe

DIN17175 seamless steel pipe 

Description

OD

WT

Length

Usage

13.7-406.4mm

2.0-30mm

Max 12m

It is used for the pipelines of boiler industry, used as the heat pipe, header, steam pipes in the conditions that working pressure larger than 9.8MPa,tempureture between 540 to 650 degrees.

Standard

Grade

Chemical Composition

Mechanical Property

C

Si

Mn

P≤

S≤

Cr

Mo

Tensile strength       MPa

Yield strengthMPa

Elongation (%)

DIN17175

St35.8

≤0.17

0.10~ 0.35

0.40~ 0.80

0.030

0.030

/

/

360~480

≥235

≥25

St45.8

≤0.21

0.10~ 0.35

0.40~ 1.20

0.030

0.030

/

/

410~530

≥255

≥21

15Mo3

0.12~ 0.20

0.10 ~0.35

0.40~ 0.80

0.030

0.030

/

0.25~ 0.35

460~600

≥270

≥20

1)Other standards: ASTM A106-96a

ATSM A213-95a

JIS G3461-1988

JIS G3462-1998

DIN 17175-1979

BS3059: part21990

2)Appearance quality: cracks ,folding, rolling, folding, scarring, bed separation and hair pattern are not allowed.

3)Performance:high durable strength ,high Anti-oxidation corrosion ,good organizational stability . High-pressure boiler tubes often used in high temperature and high pressure conditions, under the effect of the high temperature flue gas and steam ,the oxidation and corrosion will occur ,so the pipe must have those performances.

4) High Pressure Boiler Tube is mainly used to manufacture high-pressure and high pressure boiler super-heater tubes, re-heater tube, airway, the main steam pipe, etc.

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