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DIN 17175 Heat-resisting seamless steel tube

Application:: used for the pipelines of boiler industry.

Material Comparison Tables (ASTM →KS, JIS, DIN, BS, NBN, NF, UNI) of DIN 17175

Features Specifications

OD(mm)

Wall Thickness Unit(mm)

2.5

3.5

4.5

6.5-7

7.5-8

8.5-9

9.5-10

Φ25-Φ28

●

Φ32

●

Φ34-Φ36

●

Φ38

●

Φ40

●

Φ42

●

Φ45

●

Φ48-Φ60

●

Φ63.5

●

Φ68-Φ73

●

Φ76

●

Φ80

●

Φ83

●

Φ89

●

Φ95

●

Φ102

●

Φ108

●

Φ114

●

Φ121

●

Φ127

●

Φ133

●

Φ140

●

Φ146

●

Φ152

●

Φ159

●

Φ168

●

steel,chemical composition(DN17175)

Standard	Grade	Chemical Composition							Mechanical Property
Standard	Grade	C	Si	Mn	P≤	S≤	Cr	Mo	(MPa)	(MPa)	(%)
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

Steel,chemical composition(EN10216-2)

Standard

Grade

Chemical Composition

Mechanical Property

P≤

S≤

Cr≤

(MPa)

EN10216-2

195GH

≤0.13

≤0.35

≤0.70

0.025

0.020

0.30

≤0.08

320~440

≥195

≥27

≥25

P235GH

≤0.16

≤0.35

≤1.20

0.025

0.020

0.30

≤0.08

360~500

≥235

≥25

≥23

P265GH

≤0.20

≤0.40

≤1.40

0.025

0.020

0.30

≤0.08

410~570

≥265

≥23

≥21

20MnNb6

≤0.22

0.15~
0.35

1.00~ 1.50

0.025

0.020

500~650

≥355

≥22

≥20

16Mo3

0.12~
0.20

≤0.35

0.40~ 0.90

0.025

0.020

0.30

0.25~
0.35

450~600

≥280

≥22

≥20

Material Comparison Tables (ASTM →KS, JIS, DIN, BS, NBN, NF, UNI) of DIN 17175

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DIN 17175 Heat-resisting seamless steel tube

Application:

Features Specifications

steel,chemical composition(DN17175)

Steel,chemical composition(EN10216-2)